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

Emerald and Diamond Three-Piece Ring in White Gold Sunset Oval - Green engagement rings Emerald and Diamond Three-Piece Ring in White Gold Sunset Oval - Green engagement rings 2
  • New
Green Engagement Rings

Emerald and Diamond Three-Piece Ring in White Gold Sunset Oval

NICOLS
99929133112
€1,790.00
Sunset Tresillo ring with emerald and diamonds in white gold. An elegant and symbolic jewel that combines the freshness of green with a delicate and timeless brilliance.Reference: 99929133112Technical SpecificationsMetal: 18K White GoldStone: Oval-cut emerald, 0.50 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.15 ctThe Sunset...
Jerusalem Cross Yellow Gold and White Gold 20x20mm - Crosses
  • New
Crosses

Jerusalem Cross Yellow Gold and White Gold 20x20mm

NICOLS SPECIAL
04520022253
€635.00
Jerusalem cross in yellow gold and white gold. A two-tone religious jewel that combines tradition, elegance, and a balanced design with great symbolism.Reference: 04520022253Technical SpecificationsMetal: 18K Yellow and White GoldMotif: Religious Image, Jerusalem CrossDimensions: 20 x 20 mmApproximate Weight: 1.3 gThe Jerusalem Cross in yellow and white...
Jerusalem Cross Yellow Gold 16x16mm - Crosses
  • New
Crosses

Jerusalem Cross Yellow Gold 16x16mm

NICOLS SPECIAL
04520021153
€595.00
Jerusalem cross in yellow gold. A striking religious jewel symbolizing faith, protection, and spiritual tradition.Reference: 04520021153Technical SpecificationsMetal: 18K Yellow GoldMotif: Religious Image, Jerusalem CrossDimensions: 16 x 16 mmApproximate Weight: 1.5 gThe Jerusalem Cross in yellow gold stands out for its balanced design and strong symbolic...
Sapphire and Diamond Earrings in White Gold Square Creole Setting - sleepy Sapphire and Diamond Earrings in White Gold Square Creole Setting - sleepy 2
  • New
Sleepy Eyes

Sapphire and Diamond Earrings in White Gold Square Creole Setting

NICOLS
32810261021
€8,350.00
Square Creole earrings with sapphires and diamonds in white gold. A sophisticated and contemporary jewel that combines the Creole design with the strength of square geometry.Reference: 32810261021Technical SpecificationsMetal: 18K White GoldStones: Princess-cut Sapphires, 3.77 ctDiamonds: Brilliant and Baguette CutColor: H-IClarity: VS-SITotal Diamond...
Sapphire and Diamond Ring in White Gold, Square - Sapphire rings Sapphire and Diamond Ring in White Gold, Square - Sapphire rings 2
  • New
Sapphire Rings

Sapphire and Diamond Ring in White Gold, Square

NICOLS
32810261011
€5,860.00
Square sapphire and diamond ring in white gold. A modern and sophisticated jewel defined by geometric lines and refined brilliance.Reference: 32810261011Technical detailsMetal: 18K white goldGemstones: Baguette cut sapphires, 1.75 ctDiamonds: Brilliant and baguette cutColor: H-IClarity: VS-SITotal diamond weight: 0.78 ctThe Square ring in white gold...
Covadonga Cross Yellow Gold 23x19mm - Crossings of Caravaca
  • New
Caravaca Crosses

Covadonga Cross Yellow Gold 23x19mm

NICOLS SPECIAL
04520031053
€1,866.00
Cross of Covadonga in yellow gold. A timeless religious jewel representing faith, tradition, and protection with a classic and elegant design.Reference: 04520031053Technical SpecificationsMetal: 18K Yellow GoldMotif: Religious CrossDimensions: 23 x 19 mmThe Covadonga Cross in yellow gold is a piece imbued with symbolism and spiritual meaning, inspired by...
Covadonga Cross Emerald, Sapphire and Ruby Yellow Gold 26x18mm - Crossings of Caravaca
  • New
Caravaca Crosses

Covadonga Cross Emerald, Sapphire and Ruby Yellow Gold 26x18mm

NICOLS SPECIAL
04520030153
€990.00
Covadonga Cross with emeralds, sapphires and rubies in yellow gold. A symbolic and elegant jewel that unites tradition, color, and timeless craftsmanship.Reference: 04520030153Technical SpecificationsMetal: 18K Yellow GoldStones:Emeralds, 0.005 ctRubies, 0.015 ctSapphires, 0.03 ctDimensions: 26 x 18 mmThe Covadonga Cross in yellow gold is a piece imbued...
Covadonga Cross Emerald, Sapphire and Ruby Yellow Gold 33x23mm - Crossings of Caravaca
  • New
Caravaca Crosses

Covadonga Cross Emerald, Sapphire and Ruby Yellow Gold 33x23mm

NICOLS SPECIAL
04520030053
€1,560.00
Covadonga Cross with emeralds, sapphires and rubies in yellow gold. An iconic jewel steeped in symbolism, uniting tradition, color, and timeless elegance.Reference: 04520030053Technical SpecificationsMetal: 18K Yellow GoldStones:Emeralds, 0.005 ctRubies, 0.015 ctSapphires, 0.03 ctDimensions: 33 x 23 mmThe Covadonga Cross in yellow gold is a piece of...
Ruby and Diamond Ring, Black Rhodium, Rose Gold Pavé - Ruby Rings Ruby and Diamond Ring, Black Rhodium, Rose Gold Pavé - Ruby Rings 2
  • New
Ruby Rings

Ruby and Diamond Ring, Black Rhodium, Rose Gold Pavé

NICOLS
32810231012
€4,350.00
Pavé ring with rubies and diamonds in rose gold with black rhodium. A sophisticated and contemporary jewel that combines the intensity of red with a modern and elegant contrast.Reference: 32810231012Technical SpecificationsMetal: 18K rose gold with black rhodium platingStones: Brilliant-cut rubies, 0.70 ctDiamonds: Brilliant and baguette cutsColor:...
Sapphire and Diamond Three-Piece Ring in Yellow Gold Sunset Oval - Blue Engagement Rings Sapphire and Diamond Three-Piece Ring in Yellow Gold Sunset Oval - Blue Engagement Rings 2
  • New
Blue Engagement Rings

Sapphire and Diamond Three-Piece Ring in Yellow Gold Sunset Oval

NICOLS
99929133117
€1,720.00
Sunset Tresillo ring with sapphire and diamonds in yellow gold. An elegant and symbolic jewel that combines the depth of blue with the warmth of gold.Reference: 99929133117Technical SpecificationsMetal: 18K Yellow GoldStone: Oval-cut Sapphire, 0.50 ctDiamonds: Brilliant CutColor: H-IClarity: VS-SITotal Diamond Weight: 0.15 ctThe Sunset Tresillo ring in...
Sapphire and Diamond Earrings in White Gold Square - sleepy Sapphire and Diamond Earrings in White Gold Square - sleepy 2
  • New
Sleepy Eyes

Sapphire and Diamond Earrings in White Gold Square

NICOLS
32810260021
€7,230.00
Square earrings with sapphires and diamonds in white gold. A sophisticated and contemporary jewel that combines geometry, intense color, and elegant brilliance.Reference: 32810260021Technical SpecificationsMetal: 18K White GoldStones: Princess-cut sapphires, 3.77 ctDiamonds: Brilliant and baguette cutsColor: H-IClarity: VS-SITotal diamond weight: 0.80...
Sapphire and Diamond Ring in White Gold, Square - Sapphire rings Sapphire and Diamond Ring in White Gold, Square - Sapphire rings 2
  • New
Sapphire Rings

Sapphire and Diamond Ring in White Gold, Square

NICOLS
32810260011
€6,120.00
Square ring with sapphires and diamonds in white gold. A sophisticated and contemporary jewel that combines geometry, intense color, and elegant brilliance.Reference: 32810260011Technical SpecificationsMetal: 18K White GoldStones: Princess-cut sapphires, 1.75 ctDiamonds: Brilliant and baguette cutsColor: H-IClarity: VS-SITotal diamond weight: 0.50 ctThe...
Ruby and Diamond Trestle Ring in Sunset Oval Yellow Gold - Red Engagement Rings Ruby and Diamond Trestle Ring in Sunset Oval Yellow Gold - Red Engagement Rings 2
  • New
Red Engagement Rings

Ruby and Diamond Trestle Ring in Sunset Oval Yellow Gold

NICOLS
99929133116
€1,770.00
Sunset Tresillo ring with ruby ​​and diamonds in yellow gold. An elegant and symbolic jewel that combines the intensity of red with the warmth of gold.Reference: 99929133116Technical SpecificationsMetal: 18K Yellow GoldStone: Oval-cut Ruby, 0.50 ctDiamonds: Brilliant CutColor: H-IClarity: VS-SITotal Diamond Weight: 0.15 ctThe Sunset Tresillo ring in...
Emerald and Diamond Ring, Yellow Gold, Three-Piece Set, Sunset Oval - Green engagement rings Emerald and Diamond Ring, Yellow Gold, Three-Piece Set, Sunset Oval - Green engagement rings 2
  • New
Green Engagement Rings

Emerald and Diamond Ring, Yellow Gold, Three-Piece Set, Sunset Oval

NICOLS
99929133115
€1,780.00
Sunset Tresillo ring with emerald and diamonds in yellow gold. An elegant and symbolic jewel that combines the freshness of green with the golden warmth of gold.Reference: 99929133115Technical SpecificationsMetal: 18K Yellow GoldStone: Oval-cut emerald, 0.50 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.15 ctThe Sunset Tresillo...
Diamond Stud Earrings Rose Gold Square - sleepy Diamond Stud Earrings Rose Gold Square - sleepy 2
  • New
Sleepy Eyes

Diamond Stud Earrings Rose Gold Square

NICOLS
32810031129
€2,450.00
Square diamond stud earrings in rose gold. A delicate and sophisticated jewel that combines geometric lines with an elegant and contemporary sparkle.Reference: 32810031129Technical SpecificationsMetal: 18K Rose GoldDiamonds: Brilliant and Baguette CutColor: H-IClarity: VS-SITotal Diamond Weight: 0.40 ctThe Square Stud Earrings in rose gold stand out for...
Tanzanite and Diamond White Gold Dahlia Pavé Ring - Rings other precious stones Tanzanite and Diamond White Gold Dahlia Pavé Ring - Rings other precious stones 2
  • New
Rings Other Precious Stones

Tanzanite and Diamond White Gold Dahlia Pavé Ring

NICOLS SPECIAL
99930751011
€6,385.00
Dalia Pavé ring with tanzanite and diamonds in white gold. A high-impact jewel that combines intense color with an enveloping and sophisticated brilliance.Reference: 99930751011Technical SpecificationsMetal: 18K White GoldStone: Oval-cut Tanzanite, 2.80 ctDiamonds: Brilliant CutColor: H-IClarity: VS-SITotal Diamond Weight: 1.06 ctThe Dalia Pavé ring in...
Tanzanite and Diamond Ring in White Gold Dahlia - Rings other precious stones Tanzanite and Diamond Ring in White Gold Dahlia - Rings other precious stones 2
  • New
Rings Other Precious Stones

Tanzanite and Diamond Ring in White Gold Dahlia

NICOLS
99930750011
€5,850.00
Dalia ring with tanzanite and diamonds in white gold. A striking jewel that combines the intensity of violet-blue with exceptional brilliance and sophisticated elegance.Reference: 99930750011Technical SpecificationsMetal: 18K White GoldStone: Oval-cut Tanzanite, 2.80 ctDiamonds: Brilliant CutColor: H-IClarity: VS-SITotal Diamond Weight: 0.96 ctThe Dalia...
Emerald and Diamond Ring in Yellow Gold, Dahlia Sunset - Emerald rings Emerald and Diamond Ring in Yellow Gold, Dahlia Sunset - Emerald rings 2
  • New
Emerald Rings

Emerald and Diamond Ring in Yellow Gold, Dahlia Sunset

NICOLS BODA
99930024315
€3,775.00
Dalia Sunset ring with emerald and diamonds in yellow gold. A luminous and sophisticated jewel that combines the intensity of green with the golden warmth of gold.Reference: 99930024315Technical SpecificationsMetal: 18K Yellow GoldStone: Oval-cut Emerald, 1.20 ctDiamonds: Brilliant CutColor: H-IClarity: VS-SITotal Diamond Weight: 0.35 ctThe Dalia Sunset...
Emerald and Diamond Ring in White Gold, Dahlia Sunset - Emerald rings Emerald and Diamond Ring in White Gold, Dahlia Sunset - Emerald rings 2
  • New
Emerald Rings

Emerald and Diamond Ring in White Gold, Dahlia Sunset

NICOLS BODA
99930024311
€3,780.00
Dalia Sunset ring with emerald and diamonds in white gold. A sophisticated and luminous jewel that combines the intensity of green with an elegant and timeless design.Reference: 99930024311Technical SpecificationsMetal: 18K White GoldStone: Oval-cut emerald, 1.20 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.35 ctThe Dalia...
Square Tanzanite and Diamond Ring in White Gold Dahlia Pavé - Rings other precious stones Square Tanzanite and Diamond Ring in White Gold Dahlia Pavé - Rings other precious stones 2
  • New
Rings Other Precious Stones

Square Tanzanite and Diamond Ring in White Gold Dahlia Pavé

NICOLS
99930756011
€5,595.00
Dalia Pavé ring with tanzanite and diamonds in white gold. A sophisticated and luminous jewel that unites the power of color with a refined and contemporary design.Reference: 99930756011Technical SpecificationsMetal: 18K White GoldStone: Radiant-cut Tanzanite, 1.80 ctDiamonds: Brilliant CutColor: H-IClarity: VS-SITotal Diamond Weight: 0.40 ctThe Dalia...
Harmonie White Gold Sapphire and Diamond Pendant - Blue Stone Pendants Harmonie White Gold Sapphire and Diamond Pendant - Blue Stone Pendants 2
  • New
Blue Stone Pendants

Harmonie White Gold Sapphire and Diamond Pendant

NICOLS
14711430043
€820.00
Harmonie pendant with sapphire and diamonds in white gold. A delicate and luminous jewel that combines the depth of blue with an elegant and balanced design.Reference: 14711430043Technical SpecificationsMetal: 18K White GoldStone: Brilliant-cut Sapphire, 0.27 ctDiamonds: Brilliant CutColor: H-IClarity: VS-SITotal Diamond Weight: 0.04 ctChain: 40 cmThe...
Ruby and Diamond Earrings in White Gold Dalia - Red stones earrings Ruby and Diamond Earrings in White Gold Dalia - Red stones earrings 2
  • New
Red Stone Earrings

Ruby and Diamond Earrings in White Gold Dalia

NICOLS
26910420221
€1,850.00
Dalia earrings with rubies and diamonds in white gold. An elegant and luminous jewel that combines the intensity of red with a refined and timeless brilliance.Reference: 26910420221Technical SpecificationsMetal: 18K White GoldStones: Oval-cut Rubies, 0.65 ctDiamonds: Brilliant CutColor: H-IClarity: VS-SITotal Diamond Weight: 0.40 ctThe Dalia earrings in...
Candy Yellow Gold Peridot and Diamond Ring - Rings other precious stones Candy Yellow Gold Peridot and Diamond Ring - Rings other precious stones 2
  • New
Rings Other Precious Stones

Candy Yellow Gold Peridot and Diamond Ring

NICOLS
29210260615
€670.00
Candy ring with peridot and diamonds in yellow gold. A luminous and fresh jewel that combines the vibrancy of green with the warmth of gold.Reference: 29210260615Technical SpecificationsMetal: 18K Yellow GoldStones: Oval-cut Peridot, 0.45 ctDiamonds: Brilliant CutColor: H-IClarity: VS-SITotal Diamond Weight: 0.08 ctThe Candy ring in yellow gold stands out...
Candy White Gold Peridot and Diamond Ring - Rings other precious stones Candy White Gold Peridot and Diamond Ring - Rings other precious stones 2
  • New
Rings Other Precious Stones

Candy White Gold Peridot and Diamond Ring

NICOLS
29210260611
€675.00
Candy ring with peridot and diamonds in white gold. A fresh and luminous jewel that combines the vibrancy of green with a delicate and elegant sparkle.Reference: 29210260611Technical SpecificationsMetal: 18K White GoldStones: Oval-cut Peridot, 0.45 ctDiamonds: Brilliant CutColor: H-IClarity: VS-SITotal Diamond Weight: 0.08 ctThe Candy ring in white gold...
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