Jewelry

18K Gold Jewelry — handmade in Spain since 1917

At Nicols Jewelers, the passion for jewelry has been passed down since 1917, with four generations dedicated to creating unique pieces in 18k gold and platinum. Each jewel is the result of artisanal work that combines tradition and precision, designed for those who value authenticity and quality in every detail.

Discover an exclusive selection of jewelry with natural diamonds, carefully chosen to offer exceptional brilliance and purity. Here you will find the perfect balance between elegance and durability, designed to accompany you in the most important moments of your life.

You might also be interested in: women's jewelry · men's jewelry · new arrivals

Candy Blue Topaz and Diamond Ring in Yellow Gold - Rings other precious stones Candy Blue Topaz and Diamond Ring in Yellow Gold - Rings other precious stones 2
    Rings Other Precious Stones

    Candy Blue Topaz and Diamond Ring in Yellow Gold

    NICOLS
    29210260215
    €665.00
    Candy ring with blue topaz and diamonds in yellow gold. A luminous and delicate jewel that combines the freshness of blue with the warmth of gold.Reference: 29210260215Technical SpecificationsMetal: 18K Yellow GoldStones: Oval-cut blue topaz, 0.45 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.08 ctThe Candy ring in yellow gold...
    Candy Blue Topaz and Diamond Ring in White Gold - Rings other precious stones Candy Blue Topaz and Diamond Ring in White Gold - Rings other precious stones 2
      Rings Other Precious Stones

      Candy Blue Topaz and Diamond Ring in White Gold

      NICOLS
      29210260211
      €670.00
      Candy ring with blue topaz and diamonds in white gold. A fresh and luminous jewel that combines the clarity of blue with a delicate and elegant sparkle.Reference: 29210260211Technical SpecificationsMetal: 18K White GoldStones: Oval-cut blue topaz, 0.45 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.08 ctThe Candy ring in white...
      Blue London Topaz and Diamond Ring in Candy Yellow Gold - Rings other precious stones Blue London Topaz and Diamond Ring in Candy Yellow Gold - Rings other precious stones 2
        Rings Other Precious Stones

        Blue London Topaz and Diamond Ring in Candy Yellow Gold

        NICOLS
        29210260315
        €685.00
        Candy ring with blue London topaz and diamonds in yellow gold. A luminous and sophisticated jewel that combines the depth of blue with the warmth of gold.Reference: 29210260315Technical SpecificationsMetal: 18K Yellow GoldStones: Oval-cut London Blue Topaz, 0.45 ctDiamonds: Brilliant CutColor: H-IClarity: VS-SITotal Diamond Weight: 0.08 ctThe Candy ring...
        Sky Topaz and Diamond Ring in Candy White Gold - Rings other precious stones Sky Topaz and Diamond Ring in Candy White Gold - Rings other precious stones 2
          Rings Other Precious Stones

          Sky Topaz and Diamond Ring in Candy White Gold

          NICOLS
          29210260312
          €715.00
          Candy ring with Sky topaz and diamonds in white gold. A fresh and luminous jewel that combines the clarity of sky blue with a delicate and elegant sparkle.Reference: 29210260312Technical SpecificationsMetal: 18K White GoldStones: Oval-cut Sky Topaz, 0.45 ctDiamonds: Brilliant CutColor: H-IClarity: VS-SITotal Diamond Weight: 0.08 ctThe Candy ring in white...
          Candy Blue London Topaz and Diamond Ring in White Gold - Rings other precious stones Candy Blue London Topaz and Diamond Ring in White Gold - Rings other precious stones 2
            Rings Other Precious Stones

            Candy Blue London Topaz and Diamond Ring in White Gold

            NICOLS
            29210260311
            €690.00
            Candy ring with blue London topaz and diamonds in white gold. An elegant and profound jewel that combines the intensity of blue with a subtle and refined brilliance.Reference: 29210260311Technical SpecificationsMetal: 18K White GoldStones: Oval-cut London Blue Topaz, 0.45 ctDiamonds: Brilliant CutColor: H-IClarity: VS-SITotal Diamond Weight: 0.08 ctThe...
            Candy Blue Topaz and Diamond Rose Gold Ring - Rings other precious stones Candy Blue Topaz and Diamond Rose Gold Ring - Rings other precious stones 2
              Rings Other Precious Stones

              Candy Blue Topaz and Diamond Rose Gold Ring

              NICOLS
              29210260219
              €665.00
              Candy ring with blue topaz and diamonds in rose gold. A delicate and romantic jewel that combines the softness of rose gold with the luminous freshness of blue.Reference: 29210260219Technical SpecificationsMetal: 18K Rose GoldStones: Oval-cut blue topaz, 0.45 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.08 ctThe Candy ring in...
              Rhodolite and Diamond Ring in Candy Yellow Gold - Rings other precious stones Rhodolite and Diamond Ring in Candy Yellow Gold - Rings other precious stones 2
                Rings Other Precious Stones

                Rhodolite and Diamond Ring in Candy Yellow Gold

                NICOLS
                29210260815
                €725.00
                Candy ring with rhodolite and diamonds in yellow gold. A luminous and sophisticated jewel that combines the intense pink of rhodolite with the warmth of gold.Reference: 29210260815Technical SpecificationsMetal: 18K Yellow GoldStones: Oval-cut rhodolite, 0.45 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.08 ctThe Candy ring in...
                Candy White Gold Rhodolite and Diamond Ring - Rings other precious stones Candy White Gold Rhodolite and Diamond Ring - Rings other precious stones 2
                  Rings Other Precious Stones

                  Candy White Gold Rhodolite and Diamond Ring

                  NICOLS
                  29210260811
                  €730.00
                  Candy ring with rhodolite and diamonds in white gold. A sophisticated and luminous jewel that combines the intense pink of rhodolite with a delicate and elegant sparkle.Reference: 29210260811Technical SpecificationsMetal: 18K White GoldStones: Oval-cut rhodolite, 0.45 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.08 ctThe Candy...
                  Sharon White Gold Sapphire Pendant 0.20 ct - Red Stone Necklaces
                    Red Stone Necklaces

                    Sharon White Gold Sapphire Pendant 0.20 ct

                    NICOLS
                    99928095144
                    €570.00
                    Sharon 0.20 Carat White Gold Sapphire Necklace with Chain. Reference: 99928095144 Made in Spain, in our Madrid workshops, with 18k recycled and sustainable gold and a 0.20 carat sapphire. Pendant with a round-cut blue sapphire, Sharon clarity, perfect for everyday wear. Includes a 40cm long 18k (750) white gold chain, threaded through the pendant. Made...
                    Sharon White Gold Ruby Pendant 0.20 ct - Red Stone Necklaces
                      Red Stone Necklaces

                      Sharon White Gold Ruby Pendant 0.20 ct

                      NICOLS
                      99928095143
                      €580.00
                      Sharon White Gold Ruby Necklace 0.20 Carat with Chain. Reference: 99928095143 Made in Spain, in our Madrid workshops, with 18k recycled and sustainable gold and a 0.20 carat ruby. Pendant with a round-cut red ruby, a pink stone, and a Sharon clarity stone, perfect for everyday wear. Includes a 40cm long 18k (750) white gold chain, threaded through the...
                      Sharon White Gold Ruby Pendant 0.50 ct - Red Stone Necklaces
                        Red Stone Necklaces

                        Sharon White Gold Ruby Pendant 0.50 ct

                        NICOLS
                        99928095743
                        €875.00
                        Sharon White Gold Ruby Necklace 0.50 Carat with Chain.Reference: 99928095743Made in Spain, in our Madrid workshops, with 18k recycled and sustainable gold and a 0.50 carat ruby.Pendant with a round-cut red ruby, a pink stone, and a Sharon clarity stone, perfect for everyday wear.Includes a 40cm long 18k (750) white gold chain, threaded through the...
                        Sharon White Gold Emerald Pendant 0.50 ct - Red Stone Necklaces
                          Red Stone Necklaces

                          Sharon White Gold Emerald Pendant 0.50 ct

                          NICOLS
                          99928095742
                          €930.00
                          Emerald Necklace in 0.50 White Gold Sharon with Chain. Reference: 99928095742 Made in Spain, in our Madrid workshops, with 18k recycled and sustainable gold and a 0.50 carat sapphire. Pendant with a round-cut green emerald, Sharon clarity, perfect for everyday wear. Includes a 40cm long 18k (750) white gold chain, threaded through the pendant. Made with...
                          Emerald Pendant in 0.20 Carat Sharon White Gold - Red Stone Necklaces
                            Red Stone Necklaces

                            Emerald Pendant in 0.20 Carat Sharon White Gold

                            NICOLS
                            99928095142
                            €615.00
                            Sharon White Gold Emerald Necklace 0.20 ct with chain. Reference: 99928095142 Made in Spain, in our Madrid workshops, with 18k recycled and sustainable gold and a 0.20 carat sapphire. Pendant with a round-cut green emerald stone, Sharon clarity, perfect for everyday wear. Includes a 40cm long 18k (750) white gold chain, threaded through the pendant....
                            Megan Trilogy Diamond Ring in White Gold - Diamond Tresks Megan Trilogy Diamond Ring in White Gold - Diamond Tresks 2
                              Three-Stone Diamond Rings

                              Megan Trilogy Diamond Ring in White Gold

                              NICOLS BODA
                              99929258011
                              €21,280.00
                              Trilogy Megan diamond ring in white gold. An iconic jewel that symbolizes past, present, and future with exceptional brilliance and absolute elegance.Reference: 99929258011Technical SpecificationsMetal: 18K White GoldDiamonds: Brilliant CutColor: H-IClarity: VS-SITotal Diamond Weight: 2.40 ctThe Megan Trilogy ring in white gold stands out for its classic...
                              Sharon 0.50 ct White Gold Sapphire Pendant - Red Stone Necklaces
                                Red Stone Necklaces

                                Sharon 0.50 ct White Gold Sapphire Pendant

                                NICOLS
                                99928095744
                                €835.00
                                Sharon 0.50 Carat White Gold Sapphire Necklace with Chain. Reference: 99928095744 Made in Spain, in our Madrid workshops, with 18k recycled and sustainable gold and a 0.50 carat sapphire. Pendant with a round-cut blue sapphire, Sharon clarity, perfect for everyday wear. Includes a 40cm long 18k (750) white gold chain, threaded through the pendant. Made...
                                Sira 0.10-0.50ct Diamond Solitaire Necklace White Gold 99927601041 99927611041
                                  Pendants

                                  Sira 0.10-0.50ct Diamond Solitaire Necklace White Gold

                                  NICOLS SPECIAL
                                  99927611041
                                  From €825.00
                                  SIRA Diamond Necklace 0.10-0.55ct Solitaire White GoldReference_99925222041Perfect necklace for everyday wear. Purity pendant, also known as a 'Purity' pendant, is set on an 18kt (750) white gold chain with a total length of 40cm. Made in Spain by NICOLS Jewelers, Madrid, 1917. 18kt white gold. Brilliant-cut diamond with a selectable weight from 0.10 to...
                                  Sira 0.55-1.00ct Diamond Solitaire Necklace yellow gold 99927602045 99927612045
                                    Diamond Necklaces

                                    Sira 0.55-1.00ct Diamond Solitaire Necklace yellow gold

                                    NICOLS
                                    99927612045
                                    From €2,985.00
                                    SIRA Diamond Necklace 0.55ct to 1.00ct Solitaire Yellow GoldReference_99927612045Perfect necklace for everyday wear. Purity pendant, also known as a 'Purity' pendant, is set on an 18K (750) yellow gold chain, 40cm in total length. Made in Spain by NICOLS Jewelers, Madrid 1917. 18K yellow gold. Brilliant-cut diamond with a selectable weight from 0.55 to...
                                    Sira 0.55-1.00ct Diamond Solitaire Necklace White Gold 99927602041 99927612041
                                      Diamond Necklaces

                                      Sira 0.55-1.00ct Diamond Solitaire Necklace White Gold

                                      NICOLS SPECIAL
                                      99927612041
                                      From €2,990.00
                                      SIRA Diamond Necklace 0.55ct to 1.00ct Solitaire White GoldReference_99927612041Perfect necklace for everyday wear.This pendant, also known as a 'Purity' pendant, is set on an 18K (750) white gold chain, 40cm in total length.Made in Spain by NICOLS Jewelers, Madrid, 1917.18K white gold.Brilliant-cut diamond with a selectable weight of 0.55 to 1.00 carats,...
                                      Sira 0.10-0.50ct Diamond Solitaire Necklace yellow Gold 99927601045 99927611045
                                        Pendants

                                        Sira 0.10-0.50ct Diamond Solitaire Necklace yellow Gold

                                        NICOLS SPECIAL
                                        99927611045
                                        From €816.00
                                        SIRA Diamond Necklace 0.10-0.55ct Solitaire Yellow GoldReference_99927611045Perfect necklace for everyday wear.Purity pendant, also known as a 'Purity' pendant, is set on an 18K (750) yellow gold chain, 40cm in total length.Made in Spain by NICOLS Jewelers, Madrid, 1917.18K yellow gold.Brilliant-cut diamond with a selectable weight of 0.10 to 0.15 carats,...
                                        Diamond Ring 14710870311 COLORFULL Diamond Ring 14710870311 COLORFULL 2
                                          current designs

                                          Diamond Ring COLORFULL

                                          NICOLS
                                          14710870311
                                          €1,390.00
                                          Nicol COLORFULL diamond ring. Stone ring type seal central square, surrounded by diamonds on the side bezel. Made of yellow gold, citrine and diamonds 0.18ct 1.21ct. Fill your life with color
                                          Diamond Flower Ring 29210290111 MIX + MATCH Diamond Flower Ring 29210290111 MIX + MATCH 2
                                            Diamond Rings

                                            Diamond Flower Ring MIX + MATCH

                                            NICOLS
                                            29210290111
                                            €1,060.00
                                            Diamond Flower Ring MIX + MATCH Nicol. Ring-shaped flower with four petals, with a center diamond. The arm of the ring is engraved in rope form. Made of pink gold with a diamond 0.02ct weight.
                                            Anniversary Engagement Ring SQUARE - Carving baguette Anniversary Engagement Ring SQUARE - Carving baguette 2
                                              Baguette Cut

                                              Anniversary Engagement Ring SQUARE

                                              NICOLS
                                              32810034015
                                              €3,950.00
                                              Anniversary Engagement Ring Square. Ring made in yellow gold and diamonds brilliant cut and baguette with a total weight of 0.90Ct.Ideal for a betrothal or different aniverasrio.
                                              Diamond Ring 14710870211 COLORFULL
                                                current designs

                                                Diamond Ring COLORFULL

                                                NICOLS
                                                14710870211
                                                €1,470.00
                                                Colorfull Diamond Ring Nicol .. signet ring type square center stone surrounded by diamonds on the side bezel. Made of yellow gold, cognac quartz and diamonds 1.20ct 0.18ct. Fill your life with color
                                                Diamond Ring 14710870111 COLORFULL
                                                  Modern Designs

                                                  Diamond Ring COLORFULL

                                                  NICOLS
                                                  14710870111
                                                  €1,560.00
                                                  Nicol Colorfull diamond ring. Stone ring type seal central square, surrounded by diamonds on the side bezel. Made of white gold, topaz 1.78ct and diamonds 0.18ct. Fill your life with color
                                                  Topaz and Diamond Ring Octopus Perilla - Rings other precious stones Topaz and Diamond Ring Octopus Perilla - Rings other precious stones 2
                                                    Rings Other Precious Stones

                                                    Topaz and Diamond Ring Octopus Perilla

                                                    NICOLS
                                                    14711360011
                                                    €4,660.00
                                                    Octopus Perilla Topaz and Diamond Ring 14711360011Reference: 14711360011Technical Sheet: Ring with pear-cut topazes and diamonds in 18k white gold.Handcrafted in Madrid, in the high jewelry workshops of Nicols located on the Madrid Golden Mile, this ring is made of genuine 18k white gold with a white rhodium finish that enhances its shine and...
                                                    FLOR ESTRELLA Earrings Diamonds 1.90ct - Bride earrings
                                                      Diamond Necklaces

                                                      FLOR ESTRELLA Earrings Diamonds 1.90ct

                                                      NICOLS
                                                      99929860341
                                                      €3,590.00
                                                      STAR FLOWER Dormilone Diamond Earrings, with 8 diamonds in border of total weight 0.70ct, surrounding a central diamond of 0.25ct weight set higher. Made of 18kt white gold and brilliant cut diamonds with a total weight of 1.90ct. the pair.
                                                      Colorfull Geometric Earrings 14710851021
                                                        Earrings Other Colored Stones

                                                        Colorfull Geometric Earrings

                                                        NICOLS
                                                        14710851021
                                                        €2,690.00
                                                        Colorfull Geometric Earrings NICOLS. Pendienes faceted stone central four irregular sides, surrounded diamonds bevel, with upper rings. Gold made rosa18kt, 7.20qt cognac quartz, diamonds 0.25qt.
                                                        Colorfull Geometric ring 14710851111
                                                          Jewelry

                                                          Colorfull Geometric ring

                                                          NICOLS
                                                          14710851111
                                                          €2,585.00
                                                          Geometric Colorful Ring by NICOLS.Ring with a four-sided irregular faceted center stone, surrounded by diamonds on the bezel and double band.Made of 18k rose gold, 12 carat cognac quartz, and 0.13 carats of diamonds.
                                                          Esmeraldas ring 14710670013 Color Line
                                                            Emerald Rings

                                                            Esmeraldas ring COLOR LINE

                                                            NICOLS
                                                            14710670013
                                                            €2,000.00
                                                            Nicol ring. Baguette emeralds line size and battlements invisible setting of brilliant-cut diamonds framing the emeralds. Made of 18k white gold. Total weight D0.10qt E0.52qt.
                                                            Emerald earrings Orla DALIA 2.00 - Emerald Earrings
                                                              Emerald Earrings

                                                              Emerald earrings Orla DALIA 2.00

                                                              NICOLS BODA
                                                              99929085225
                                                              €3,975.00
                                                              Dalia 2.00 Emerald and Diamond Harm EarringsReference_99929085225Technical SpecificationsDalia 2.00 NICOLS Emerald and Diamond Harm Earrings. Oval-shaped stud earrings with a faceted central emerald weighing 1.00 carats each and a halo of brilliant-cut diamonds with a total weight of 0.20 carats in each halo, 0.40 carats total for the pair of earrings....
                                                              Diamond Catholic Sign Cross in Yellow Gold - Crosses Diamond Catholic Sign Cross in Yellow Gold - Crosses 2
                                                                Crosses

                                                                Diamond Catholic Sign Cross in Yellow Gold

                                                                NICOLS
                                                                36810140053
                                                                €680.00
                                                                Diamond Catholic Sign Cross in Yellow Gold. Cross pendant measuring 11.5mm high x 7.9mm wide (excluding bail), set with eleven natural diamonds. Made of yellow gold and brilliant-cut diamonds with a total weight of 0.10 carats.
                                                                White Gold Catholic Sign Diamond Cross - Crosses White Gold Catholic Sign Diamond Cross - Crosses 2
                                                                  Crosses

                                                                  White Gold Catholic Sign Diamond Cross

                                                                  NICOLS
                                                                  36810140153
                                                                  €690.00
                                                                  White gold Catholic Sign diamond cross pendant. Cross-shaped pendant, 11.5mm high x 7.9mm wide (excluding bail), set with eleven natural diamonds. Made of white gold and brilliant-cut diamonds with a total weight of 0.10 carats
                                                                  Blue Sapphires Bracelet 2.45ct White Gold RAINBOW - Stones Color Bracelets Blue Sapphires Bracelet 2.45ct White Gold RAINBOW - Stones Color Bracelets 2
                                                                    Colored Stone Bracelets

                                                                    Blue Sapphires Bracelet 2.45ct White Gold RAINBOW

                                                                    NICOLS
                                                                    26910277933
                                                                    €3,390.00
                                                                    Blue Sapphire Bracelet 2.45Ct White Gold RainbowRef: 26910277933Technical Details:Blue Sapphire Bracelet 2.45Ct White Gold RainbowReference: 26910277933Metal: 18k White GoldGemstones: Natural Blue SapphiresTotal number of stones: 66 sapphiresTotal sapphire weight: 2.45 caratsColor: Deep BlueStyle: Elegant and ContemporaryDescription:The Blue Sapphire...
                                                                    Sira 0.55-1.00ct Diamond Solitaire Necklace yellow gold 99927602045
                                                                      Diamond Necklaces

                                                                      Sira 0.55-1.00ct Diamond Solitaire Necklace yellow gold

                                                                      NICOLS SPECIAL
                                                                      99927602045
                                                                      From €2,985.00
                                                                      SIRA Diamond Necklace 0.55ct to 1.00ct Solitaire Yellow GoldReference_99927602045Perfect necklace for everyday wear.Pendant also known as "Purity," with a ring, which is attached to an 18K (750) yellow gold chain with a total length of 40cm.Made in Spain by NICOLS Jewelers, Madrid 1917.18K yellow gold.Brilliant-cut diamond with a selectable weight from...
                                                                      Sira 0.55-1.00ct Diamond Solitaire Necklace White Gold 99927602041 99927602041
                                                                        Diamond Necklaces

                                                                        Sira 0.55-1.00ct Diamond Solitaire Necklace White Gold

                                                                        NICOLS SPECIAL
                                                                        99927602041
                                                                        From €2,990.00
                                                                        SIRA Diamond Necklace 0.55ct to 1.00ct Solitaire White GoldReference_99927602041Perfect necklace for everyday wear.Purity pendant, with a ring, on an 18K (750) white gold chain, 40cm in total length.Made in Spain by NICOLS Jewelers, Madrid 1917.18K white gold.Brilliant-cut diamond with a selectable weight from 0.55 to 1.00 carats, H/I color and VS/SI...
                                                                        Sira 0.10-0.50ct Diamond Solitaire Necklace yellow Gold 99927601045
                                                                          Pendants

                                                                          Sira 0.10-0.50ct Diamond Solitaire Necklace yellow Gold

                                                                          NICOLS SPECIAL
                                                                          99927601045
                                                                          From €816.00
                                                                          SIRA Diamond Necklace 0.10–0.55ct Solitaire Yellow GoldReference_99927601045The perfect necklace to wear every day. A pendant also known as “Purity”, featuring a ring, set on an 18K (750) yellow gold chain with a total length of 40 cm. Handcrafted in Spain by NICOLS jewelers, Madrid 1917. 18K yellow gold. Brilliant-cut diamond with a selectable weight...
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