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

Colette White Gold Bracelet with Three Large Diamond Rosettes - Diamond bracelets Colette White Gold Bracelet with Three Large Diamond Rosettes - Diamond bracelets 2
  • New
Diamond Bracelets

Colette White Gold Bracelet with Three Large Diamond Rosettes

37710021332
€3,880.00
Colette Gold Bracelet with Three Large Diamond Rosettes Reference_37710021332Technical Sheet_ Stretch white gold and diamond bracelet with a bar and three Colette rosettes with a total weight of 0.30 carats. A genuine 18k gold bracelet, made up of stranded gold balls and a central bar with three movable rosettes with brilliant-cut diamonds with a total...
Colette Gold Stretch Bar Bracelet with Diamond Rosette - Gold bracelets Colette Gold Stretch Bar Bracelet with Diamond Rosette - Gold bracelets 2
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Gold Bangles

Colette Gold Stretch Bar Bracelet with Diamond Rosette

NICOLS SPECIAL
37710020032
€2,680.00
Colette Stretch Gold Bracelet with Diamond Rosette Reference 37710020032 Technical Sheet: Colette Stretch Gold and Diamond Bracelet with Rosette, totaling 0.06 carats. A genuine 18k gold bracelet, made of strung-together gold beads and a central bar with a movable rosette set with brilliant-cut diamonds, totaling 0.06 ct. It features an internal...
Oval Emerald Pendant 1.00 and Diamond Border - Green Stone Necklaces Oval Emerald Pendant 1.00 and Diamond Border - Green Stone Necklaces 2
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Green Stone Necklaces

Oval Emerald Pendant 1.00 and Diamond Border

NICOLS BODA
14710322243
€2,480.00
Technical Sheet: Dalia pendant crafted in white gold featuring a rosette with a 1.00 ct central emerald and a 0.11 ct diamond border. Reference: 14710322243 This 18-carat white gold pendant embodies the essence of understated luxury and timeless craftsmanship. At its center, a 1.00 ct oval-cut natural emerald displays its vibrant green, a symbol of hope...
Oval Ruby Pendant 1.00 and diamond border - Red Stone Necklaces Oval Ruby Pendant 1.00 and diamond border - Red Stone Necklaces 2
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Red Stone Necklaces

Oval Ruby Pendant 1.00 and diamond border

NICOLS BODA
14710322143
€2,480.00
Technical Sheet: Dalia pendant crafted in white gold featuring a rosette with a 1.00 ct central ruby and a 0.11 ct diamond border. Reference: 14710322143 This 18-carat white gold pendant embodies the essence of understated luxury and timeless craftsmanship. In the center, a 1.00 ct oval-cut natural ruby displays its deep red, a symbol of passion and...
Pear Diamond Solitaire Ring 0.40 Carats Alma - Talla Pera Pear Diamond Solitaire Ring 0.40 Carats Alma - Talla Pera 2
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Pear Cut

Pear Diamond Solitaire Ring 0.40 Carats Alma

NICOLS
99930375511
€3,700.00
Alma Solitaire Ring Pear Diamond 0.40ct White GoldReference: 99930375511Technical Sheet: Solitaire ring with central pear-cut diamond and diamond halo. Crafted in 18k white gold with white rhodium finish, handcrafted in the Nicols workshops in Madrid. Central diamond: pear cut, weight 0.40 carats, color H, clarity VS. Side diamonds and halo: brilliant...
Pear Cut Diamond Solitaire Ring 0.30 Carats Alma - Talla Pera Pear Cut Diamond Solitaire Ring 0.30 Carats Alma - Talla Pera 2
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Pear Cut

Pear Cut Diamond Solitaire Ring 0.30 Carats Alma

NICOLS
99930375311
€3,200.00
Alma Solitaire Ring with Pear Diamond 0.30ct White GoldReference: 99930375311Technical Sheet: Solitaire ring with pear-cut central diamond and diamond halo. Crafted in 18k white gold with white rhodium finish, artisanally made in the Nicols workshops in Madrid. Central diamond: pear cut, weight 0.30 carats, color H, clarity VS. Side diamonds and halo:...
Clavell Diamond Solitaire Ring 1.00 - Brilliant Cut Clavell Diamond Solitaire Ring 1.00 - Brilliant Cut 2
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Brilliant Cut

Clavell Diamond Solitaire Ring 1.00

NICOLS SOLITARI
99930174611
€9,360.00
Clavell Diamond Solitaire Ring 1.00 Reference_99930174611 Clavell Diamond Solitaire Ring 1.00 99930174611 The Clavel diamond ring features a 1.00 carat center brilliant diamond, with 0.25 carats of diamonds on the rim and shank, for a total of 1.25 carats of diamonds. Along with its classic and comfortable ergonomic band, it adapts to all finger sizes,...
Clavell Diamond Solitaire Ring 0.40 - Brilliant Cut Clavell Diamond Solitaire Ring 0.40 - Brilliant Cut 2
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Brilliant Cut

Clavell Diamond Solitaire Ring 0.40

NICOLS SOLITARI
99930173511
€3,390.00
Clavell Diamond Solitaire Ring 0.40 Reference_99930173511 Clavell Diamond Solitaire Ring 0.40 99930173511 The Clavel diamond ring features a 0.40-carat center diamond, with 0.22 carats of brilliant-cut diamonds on the rim and shank, for a total of 0.62 carats of diamonds. Along with its classic and comfortable ergonomic band, it adapts to all finger...
Peridot and Diamond Ring Octopus Perilla - Yellow Gold Modern Rings Peridot and Diamond Ring Octopus Perilla - Yellow Gold Modern Rings 2
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current designs

Peridot and Diamond Ring Octopus Perilla

NICOLS
14711360215
€4,790.00
Octopus Perilla Peridot and Green Amethyst Ring 14711360215Reference: 14711360215Technical Sheet: Ring with pear-cut green amethyst, peridot, and diamonds in 18k yellow gold.Handcrafted in Madrid, in the high jewelry workshops of Nicols located on the Madrid Golden Mile, this ring is made of genuine 18k yellow gold with a polished finish that enhances the...
Amethyst and Diamond Ring Octopus Perilla - Rings other precious stones Amethyst and Diamond Ring Octopus Perilla - Rings other precious stones 2
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Rings Other Precious Stones

Amethyst and Diamond Ring Octopus Perilla

NICOLS
14711360119
€4,610.00
Octopus Perilla Amethyst and Diamond RingReference: 14711360119Technical Sheet: Ring with pear-cut amethysts and diamonds in 18k rose gold.Handcrafted in Madrid, in the high jewelry workshops of Nicols located on the Madrid Golden Mile, this ring is made of genuine 18k rose gold with a polished finish that enhances the warmth and sophistication of the...
Aquamarine 1.70 and Diamond Ring Dalia - Rings other precious stones Aquamarine 1.70 and Diamond Ring Dalia - Rings other precious stones 2
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Rings Other Precious Stones

Aquamarine 1.70 and Diamond Ring Dalia

NICOLS SPECIAL
99930768011
€2,985.00
Dalia Aquamarine and Diamond Ring 1.70ct White Gold Reference: 99930768011Technical Sheet: Ring with central oval aquamarine and diamond halo in white gold.Crafted in 18K white gold with white rhodium finish, made in the high jewelry workshops of Nicols in Madrid.Central stone: natural oval-cut aquamarine, weight 1.70 carats, light blue color and...
Aquamarine 1.90 and Diamond Ring Dalia - Rings other precious stones Aquamarine 1.90 and Diamond Ring Dalia - Rings other precious stones 2
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Rings Other Precious Stones

Aquamarine 1.90 and Diamond Ring Dalia

NICOLS
99930760011
€3,685.00
Dalia Aquamarine and Diamond Ring 1.90ct White Gold Reference: 99930760011Technical Sheet: Ring with central oval aquamarine and diamond halo in white gold.Crafted in 18K white gold with white rhodium finish, made in the high jewelry workshops of Nicols in Madrid.Central stone: natural oval-cut aquamarine, weight 1.90 carats, soft blue color and...
Aquamarine 1.80 and Diamond Ring Dalia - Rings other precious stones Aquamarine 1.80 and Diamond Ring Dalia - Rings other precious stones 2
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Rings Other Precious Stones

Aquamarine 1.80 and Diamond Ring Dalia

NICOLS
99930762011
€3,390.00
Dalia Aquamarine and Diamond Ring 1.80ct White Gold Reference: 99930762011Technical Sheet: Ring with central oval aquamarine and diamond halo in white gold.Crafted in 18K white gold with white rhodium finish, made in the high jewelry workshops of Nicols in Madrid.Central stone: natural oval-cut aquamarine, weight 1.80 carats, light blue color and...
Emerald and Diamond Ring Dalia - Emerald rings Emerald and Diamond Ring Dalia - Emerald rings 2
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Emerald Rings

Emerald and Diamond Ring Dalia

NICOLS
99930760111
€4,600.00
Dalia Emerald and Diamond Ring 1.50ct White Gold Reference: 99930760111Technical Sheet: Ring with central oval emerald and diamond halo in white gold.Crafted in 18K white gold with white rhodium finish, in the high jewelry workshops of Nicols in Madrid.Central stone: natural oval-cut emerald, weight 1.50 carats, intense green color and characteristic...
Charlotte Solitaire Ring 1.50 ct Platinum - Brilliant Cut Charlotte Solitaire Ring 1.50 ct Platinum - Brilliant Cut 2
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Brilliant Cut

Charlotte Solitaire Ring 1.50 ct Platinum

NICOLS
99928217208
€15,960.00
Charlotte Solitaire Diamond Ring 1.50ct PlatinumReference: 99928217208Technical Sheet: Classic solitaire ring with 1.50-carat round brilliant-cut diamond.Crafted in 18k Platinum with a polished finish.Natural central diamond, round brilliant cut, weight 1.50 carats, color H-I, clarity VS-SI.Classic six-prong setting that enhances the diamond’s light and...
Bracelet France NICOLS - BRACELETS
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Bracelets

Bracelet France NICOLS

NICOLS SPECIAL
33810021130
€1,680.00
NICOLS France Bracelet Nicols French flag bracelet is made of 18k yellow gold and rubber in the colors of the flag. It features a 15mm wide center plate, ideal for engraving a name or message.
Nancy Solitaire Ring 0.75 ct Platinum - Brilliant Cut Nancy Solitaire Ring 0.75 ct Platinum - Brilliant Cut 2
  • New
Brilliant Cut

Nancy Solitaire Ring 0.75 ct Platinum

NICOLS
99928396208
€5,700.00
Nancy Solitaire Diamond Ring 0.75ct PlatinumReference: 99928396208Technical Sheet: Classic solitaire ring with 0.75-carat round brilliant-cut diamond.Crafted in 18k Platinum with a polished finish.Natural central diamond, round brilliant cut, weight 0.75 carats, color H-I, clarity VS-SI.Classic four-prong setting that enhances the diamond’s light and...
Nancy Solitaire Ring 1.00 ct White Gold - Brilliant Cut Nancy Solitaire Ring 1.00 ct White Gold - Brilliant Cut 2
  • New
Brilliant Cut

Nancy Solitaire Ring 1.00 ct White Gold

NICOLS SOLITARI
99928396711
€7,580.00
Nancy Solitaire Diamond Ring 1.00ct White Gold Reference: 99928396711Technical Sheet: Classic solitaire ring with 1.00-carat round brilliant-cut diamond.Crafted in 18k white gold with a rhodium-plated finish.Natural central diamond, round brilliant cut, weight 1.00 carats, color H-I, clarity VS-SI.Classic four-prong setting that enhances the diamond’s...
Nancy Solitaire Ring 1.00 ct Platinum - Brilliant Cut Nancy Solitaire Ring 1.00 ct Platinum - Brilliant Cut 2
  • New
Brilliant Cut

Nancy Solitaire Ring 1.00 ct Platinum

NICOLS SOLITARI
99928396708
€8,400.00
Nancy Solitaire Diamond Ring 1.00ct PlatinumReference: 99928396708Technical Sheet: Classic solitaire ring with 1.00-carat round brilliant-cut diamond.Crafted in 18k Platinum with a polished finish.Natural central diamond, round brilliant cut, weight 1.00 carats, color H-I, clarity VS-SI.Classic four-prong setting that enhances the diamond’s light and...
Nancy Solitaire Ring 0.75 ct Pink Gold - Brilliant Cut Nancy Solitaire Ring 0.75 ct Pink Gold - Brilliant Cut 2
  • New
Brilliant Cut

Nancy Solitaire Ring 0.75 ct Pink Gold

NICOLS
99928396219
€4,950.00
Nancy Solitaire Diamond Ring 0.75ct Pink Gold Reference: 99928396219Technical Sheet: Classic solitaire ring with 0.75-carat round brilliant-cut diamond.Crafted in 18k pink gold with a polished finish.Natural central diamond, round brilliant cut, weight 0.75 carats, color H-I, clarity VS-SI.Classic four-prong setting that enhances the diamond’s light and...
Nancy Solitaire Ring 0.75 ct Yellow Gold - Brilliant Cut Nancy Solitaire Ring 0.75 ct Yellow Gold - Brilliant Cut 2
  • New
Brilliant Cut

Nancy Solitaire Ring 0.75 ct Yellow Gold

NICOLS SOLITARI
99928396215
€4,950.00
Nancy Solitaire Diamond Ring 0.75ct Yellow GoldReference: 99928396215Technical Sheet: Classic solitaire ring with 0.75-carat round brilliant-cut diamond.Crafted in 18k yellow gold with a polished finish.Natural central diamond, round brilliant cut, weight 0.75 carats, color H-I, clarity VS-SI.Classic four-prong setting that enhances the diamond’s light...
Nancy Solitaire Ring 1.50 ct White Gold - Brilliant Cut Nancy Solitaire Ring 1.50 ct White Gold - Brilliant Cut 2
  • New
Brilliant Cut

Nancy Solitaire Ring 1.50 ct White Gold

NICOLS SOLITARI
99928397211
€13,480.00
Nancy Solitaire Diamond Ring 1.50ct White Gold Reference: 99928397211Technical Sheet: Classic solitaire ring with 1.50-carat round brilliant-cut diamond.Crafted in 18k white gold with a rhodium-plated finish.Natural central diamond, round brilliant cut, weight 1.50 carats, color H-I, clarity VS-SI.Classic four-prong setting that enhances the diamond’s...
Nancy Solitaire Ring 1.50 ct Platinum - Brilliant Cut Nancy Solitaire Ring 1.50 ct Platinum - Brilliant Cut 2
  • New
Brilliant Cut

Nancy Solitaire Ring 1.50 ct Platinum

NICOLS
99928397208
€15,500.00
Nancy Solitaire Diamond Ring 1.50ct PlatinumReference: 99928397208Technical Sheet: Classic solitaire ring with 1.50-carat round brilliant-cut diamond.Crafted in 18k Platinum with a polished finish.Natural central diamond, round brilliant cut, weight 1.50 carats, color H-I, clarity VS-SI.Classic four-prong setting that enhances the diamond’s light and...
Nancy Solitaire Ring 1.00 ct Pink Gold - Brilliant Cut Nancy Solitaire Ring 1.00 ct Pink Gold - Brilliant Cut 2
  • New
Brilliant Cut

Nancy Solitaire Ring 1.00 ct Pink Gold

NICOLS SOLITARI
99928396719
€7,570.00
Nancy Solitaire Diamond Ring 1.00ct Pink Gold Reference: 99928396719Technical Sheet: Classic solitaire ring with 1.00-carat round brilliant-cut diamond.Crafted in 18k pink gold with a polished finish.Natural central diamond, round brilliant cut, weight 1.00 carats, color H-I, clarity VS-SI.Classic four-prong setting that enhances the diamond’s light and...
Nancy Solitaire Ring 1.00 ct Yellow Gold - Brilliant Cut Nancy Solitaire Ring 1.00 ct Yellow Gold - Brilliant Cut 2
  • New
Brilliant Cut

Nancy Solitaire Ring 1.00 ct Yellow Gold

NICOLS SOLITARI
99928396715
€7,570.00
Nancy Solitaire Diamond Ring 1.00ct Yellow GoldReference: 99928396715Technical Sheet: Classic solitaire ring with 1.00-carat round brilliant-cut diamond.Crafted in 18k yellow gold with a polished finish.Natural central diamond, round brilliant cut, weight 1.00 carats, color H-I, clarity VS-SI.Classic four-prong setting that enhances the diamond’s light...
Nancy Solitaire Ring 1.50 ct Pink Gold - Brilliant Cut Nancy Solitaire Ring 1.50 ct Pink Gold - Brilliant Cut 2
  • New
Brilliant Cut

Nancy Solitaire Ring 1.50 ct Pink Gold

NICOLS SOLITARI
99928397219
€13,400.00
Nancy Solitaire Diamond Ring 1.50ct Pink Gold Reference: 99928397219Technical Sheet: Classic solitaire ring with 1.50-carat round brilliant-cut diamond.Crafted in 18k pink gold with a polished finish.Natural central diamond, round brilliant cut, weight 1.50 carats, color H-I, clarity VS-SI.Classic four-prong setting that enhances the diamond’s light and...
Nancy Solitaire Ring 1.50 ct Yellow Gold - Brilliant Cut Nancy Solitaire Ring 1.50 ct Yellow Gold - Brilliant Cut 2
  • New
Brilliant Cut

Nancy Solitaire Ring 1.50 ct Yellow Gold

NICOLS SOLITARI
99928397215
€13,400.00
Nancy Solitaire Diamond Ring 1.50ct Yellow GoldReference: 99928397215Technical Sheet: Classic solitaire ring with 1.50-carat round brilliant-cut diamond.Crafted in 18k yellow gold with a polished finish.Natural central diamond, round brilliant cut, weight 1.50 carats, color H-I, clarity VS-SI.Classic four-prong setting that enhances the diamond’s light...
Megan yellow gold engagement ring with a 1.00ct diamond. - Lonely yellow gold Megan yellow gold engagement ring with a 1.00ct diamond. - Lonely yellow gold 2
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Yellow Gold Solitaire Rings

Megan yellow gold engagement ring with a 1.00ct diamond.

NICOLS
99928386715
€7,790.00
Megan yellow gold engagement ring with a 1.00ct diamond. Reference _ 99928386715 Technical Sheet _ Megan yellow gold diamond engagement ring. Solitaire ring made of genuine, recycled, and sustainable solid yellow gold. Features a diamond set with four square prongs that intersect in a diagonal wave on the side. A unique yet traditional setting to make the...
Megan white gold engagement ring with a 1.00ct diamond. - Brilliant Cut Megan white gold engagement ring with a 1.00ct diamond. - Brilliant Cut 2
  • New
Brilliant Cut

Megan white gold engagement ring with a 1.00ct diamond.

NICOLS
99928386711
€7,800.00
Megan white gold engagement ring with a 1.00ct diamond. Reference _ 99928386711 Technical Sheet _ Megan white gold diamond engagement ring. Solitaire ring made of genuine, recycled, and sustainable solid white gold. Features a diamond set with four square prongs that intersect in a diagonal wave on the side. A unique yet traditional setting to make the...
Alexia Solitaire Ring 1.00 ct White Gold - Brilliant Cut Alexia Solitaire Ring 1.00 ct White Gold - Brilliant Cut 2
  • New
Brilliant Cut

Alexia Solitaire Ring 1.00 ct White Gold

NICOLS SOLITARI
99928316711
€8,980.00
Alexia Solitaire Diamond Ring 1.00ct White Gold Reference: 99928316711Technical Sheet: Classic solitaire ring with 1.00-carat round brilliant-cut diamond.Crafted in 18k white gold with a rhodium-plated finish.Natural central diamond, round brilliant cut, weight 1.00 carats, color H-I, clarity VS-SI.Classic six-prong setting that enhances the diamond’s...
CHARLOTTE Engagement Ring White Gold (18kt) with 1.50ct Diamond - Diamond Rings 1 CT
  • New
1 Ct Diamond Rings

CHARLOTTE Engagement Ring White Gold (18kt) with 1.50ct Diamond

NICOLS
99928217215
€16,685.00
CHARLOTTE Engagement Ring in 18kt White Gold with 1.50ct Diamond Reference: 99928217211 Technical Sheet: Perfect solitaire ring for engagements and proposals. Made in Spain by NICOLS jewelers, Madrid 1917. 18kt white gold (750). 1.60-carat brilliant-cut diamond. H / I color and VS / SI clarity. Comes with a Certificate of Authenticity. If you're looking...
Frida 2.5ct Diamond Ring 18k Yellow Gold - Brilliant Cut Frida 2.5ct Diamond Ring 18k Yellow Gold - Brilliant Cut 2
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Brilliant Cut

Frida 2.5ct Diamond Ring 18k Yellow Gold

NICOLS SOLITARI
99928338215
€29,580.00
Frida Two and a Half Carat Solitaire Diamond Ring Reference 99928338211 Technical Sheet: Two and a half carat solitaire ring. Made in Spain, manufactured in our Madrid workshops by NICOLSJoyeros Madrid 1917. Pure 18K white gold, polished finish with white rhodium plating. Four-prong setting, raised, and edged. Diamond weighing at least 2.50 carats in...
Anillo diamante 0,75 quilates en oro amarillo Charlotte solitario - Lonely yellow gold Anillo diamante 0,75 quilates en oro amarillo Charlotte solitario - Lonely yellow gold 2
  • New
Yellow Gold Solitaire Rings

Anillo diamante 0,75 quilates en oro amarillo Charlotte solitario

NICOLS
99928216215
€5,940.00
0.75-carat Charlotte yellow gold diamond solitaire ring Reference _ 99928216215 Technical Sheet _ Charlotte yellow gold diamond ring, weight 0.75 carats. Solitaire ring made of genuine, recycled, and sustainable solid yellow gold. It features a diamond set with 6 prongs, making it very secure for large stones. A timeless yet comfortable setting to make...
0.75-carat Charlotte white gold diamond solitaire ring - Brilliant Cut 0.75-carat Charlotte white gold diamond solitaire ring - Brilliant Cut 2
  • New
Brilliant Cut

0.75-carat Charlotte white gold diamond solitaire ring

NICOLS
99928216211
€6,020.00
0.75-carat Charlotte white gold diamond solitaire ring Reference _ 99928216211 Technical Sheet _ Charlotte white gold diamond ring, weight 0.75 carats. Solitaire ring made of genuine, recycled, and sustainable solid white gold. It features a diamond set with 6 prongs, making it very secure for large stones. A timeless yet comfortable setting to make the...
Anillo Pt D Solitario Charlotte 6G 0.75 - Platinum lonely Anillo Pt D Solitario Charlotte 6G 0.75 - Platinum lonely 2
  • New
Solitaires Platinum

Anillo Pt D Solitario Charlotte 6G 0.75

NICOLS
99928216208
€6,630.00
Anillo diamante 0,75 quilates en platino Charlotte solitarioReferencia _ 99928216208Ficha Técnica_ Anillo con diamante en platino Charlotte, peso 0,75 quilates. Anillo solitario realizado en platino auténtico, reciclado y sostenible y macizoLleva un diamante engastado con 6 garras que la hacen muy segura para piedras de gran tamaño.Una montura atemporal a...
Charlotte Solitaire Platinum and 1.00-carat Diamond Ring - Platinum lonely Charlotte Solitaire Platinum and 1.00-carat Diamond Ring - Platinum lonely 2
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Solitaires Platinum

Charlotte Solitaire Platinum and 1.00-carat Diamond Ring

NICOLS
99928216708
€11,510.00
1.00 Carat Charlotte Platinum Diamond Solitaire Ring Reference _ 99928216719 Technical Sheet _ Charlotte platinum diamond ring, weight 1.00 carats. Solitaire ring made of genuine, recycled, and sustainable solid platinum. It features a diamond set with 6 prongs, making it very secure for large stones. A timeless yet comfortable setting to make the...
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