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

Firmamento Pastilla Square Matte Diamond Earrings in Yellow Gold - Short Firmamento Pastilla Square Matte Diamond Earrings in Yellow Gold - Short 2
  • New
Short

Firmamento Pastilla Square Matte Diamond Earrings in Yellow Gold

NICOLS
14711301125
€2,370.00
Firmamento Pastilla Square matte diamond earrings in yellow gold. A contemporary jewel that combines texture, geometry and refined brilliance.Reference: 14711301125Technical detailsMetal: 18K yellow gold, matte finishDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.33 ctThe Firmamento Pastilla Square earrings in matte yellow gold...
Firmamento Pastilla Square Matte Diamond Ring in Yellow Gold - Yellow Gold Modern Rings Firmamento Pastilla Square Matte Diamond Ring in Yellow Gold - Yellow Gold Modern Rings 2
  • New
current designs

Firmamento Pastilla Square Matte Diamond Ring in Yellow Gold

NICOLS
14711301115
€2,180.00
Firmamento Pastilla Square matte diamond ring in yellow gold. A contemporary jewel that combines texture, geometry and refined brilliance.Technical detailsMetal: 18K yellow gold, matte finishDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.25 ctThe Firmamento Pastilla Square ring in matte yellow gold stands out for its modern design...
Firmamento Pastilla Square Diamond Necklace in Yellow Gold - Diamond Necklaces Firmamento Pastilla Square Diamond Necklace in Yellow Gold - Diamond Necklaces 2
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Diamond Necklaces

Firmamento Pastilla Square Diamond Necklace in Yellow Gold

NICOLS
14711301045
€1,460.00
Firmamento Pastilla Square diamond necklace in yellow gold. A modern and elegant jewel defined by its geometric design and subtle brilliance.Reference: 14711301045Technical detailsMetal: 18K yellow goldDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.18 ctChain length: 45 cmThe Firmamento Pastilla Square necklace in yellow gold...
Firmamento Pastilla Square Matte Diamond Necklace in Yellow Gold - What's new Firmamento Pastilla Square Matte Diamond Necklace in Yellow Gold - What's new 2
  • New
Jewelry

Firmamento Pastilla Square Matte Diamond Necklace in Yellow Gold

NICOLS
14711300145
€1,940.00
Firmamento Pastilla Square matte diamond necklace in yellow gold. A contemporary jewel that combines texture, geometry and refined brilliance.Reference: 14711300145Technical detailsMetal: 18K yellow gold, matte finishDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.38 ctThe Firmamento Pastilla Square necklace in matte yellow gold...
Firmamento Pastilla Square Matte Diamond Earrings in Yellow Gold - Short Firmamento Pastilla Square Matte Diamond Earrings in Yellow Gold - Short 2
  • New
Short

Firmamento Pastilla Square Matte Diamond Earrings in Yellow Gold

NICOLS
14711300125
€2,190.00
Firmamento Pastilla Square matte diamond earrings in yellow gold. A contemporary jewel that combines texture, geometry and refined brilliance.Reference: 14711300125Technical detailsMetal: 18K yellow gold, matte finishDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.30 ctThe Firmamento Pastilla Square earrings in matte yellow gold...
Firmamento Pastilla Square Diamond Necklace in Yellow Gold - Diamond Necklaces Firmamento Pastilla Square Diamond Necklace in Yellow Gold - Diamond Necklaces 2
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Diamond Necklaces

Firmamento Pastilla Square Diamond Necklace in Yellow Gold

NICOLS
14711300045
€1,940.00
Firmamento Pastilla Square diamond necklace in yellow gold. A modern and elegant jewel defined by its geometric design and refined brilliance.Reference: 14711300045Technical detailsMetal: 18K yellow goldDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.38 ctChain length: 45 cmThe Firmamento Pastilla Square necklace in yellow gold...
Toi et Moi Emerald and Diamond Pendant in White Gold - Pendants of green stones Toi et Moi Emerald and Diamond Pendant in White Gold - Pendants of green stones 2
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Green Stone Pendants

Toi et Moi Emerald and Diamond Pendant in White Gold

NICOLS
37010070041
€3,200.00
Toi et Moi emerald and diamond pendant in white gold. An elegant and symbolic jewel that represents the union of two stones in a refined and timeless design.Reference: 37010070041Technical detailsMetal: 18K white goldGemstone 1: Pear cut emerald, 0.41 ctGemstone 2: Emerald cut diamond, 0.51 ctColor: H-IClarity: VS-SIChain: 45 cm with adjustable double...
Toi et Moi Emerald and Diamond Earrings in White Gold - Red Stone Pendants Toi et Moi Emerald and Diamond Earrings in White Gold - Red Stone Pendants 2
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Red Stone Pendants

Toi et Moi Emerald and Diamond Earrings in White Gold

NICOLS
37010070021
€5,380.00
Toi et Moi emerald and diamond earrings in white gold. An elegant and symbolic jewel that reflects harmony between two stones in a refined and timeless design.Reference: 37010070021Technical detailsMetal: 18K white goldGemstones: Pear cut emeralds, 0.82 ctDiamonds: Emerald cutColor: H-IClarity: VS-SITotal diamond weight: 1.01 ctThe Toi et Moi earrings in...
Toi et Moi Emerald and Diamond Ring in White Gold - Green engagement rings Toi et Moi Emerald and Diamond Ring in White Gold - Green engagement rings 2
  • New
Green Engagement Rings

Toi et Moi Emerald and Diamond Ring in White Gold

NICOLS
37010070011
€3,380.00
Toi et Moi emerald and diamond ring in white gold. An elegant and symbolic jewel representing the union of two souls through a refined and timeless design.Reference: 37010070011Technical detailsMetal: 18K white goldGemstone 1: Pear cut emerald, 0.41 ctGemstone 2: Emerald cut diamond, 0.51 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond...
Firmamento Pastilla Square Matte Diamond Ring in Yellow Gold - Yellow Gold Modern Rings Firmamento Pastilla Square Matte Diamond Ring in Yellow Gold - Yellow Gold Modern Rings 2
  • New
current designs

Firmamento Pastilla Square Matte Diamond Ring in Yellow Gold

NICOLS
14711300115
€2,630.00
Firmamento Pastilla Square matte diamond ring in yellow gold. A contemporary jewel that combines texture, geometry and refined brilliance.Reference: 14711300115Technical detailsMetal: 18K yellow gold, matte finishDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.48 ctThe Firmamento Pastilla Square ring in matte yellow gold stands out...
Firmamento Pastilla Square Diamond Ring in Yellow Gold - Yellow Gold Modern Rings Firmamento Pastilla Square Diamond Ring in Yellow Gold - Yellow Gold Modern Rings 2
  • New
current designs

Firmamento Pastilla Square Diamond Ring in Yellow Gold

NICOLS
14711300015
€2,630.00
Firmamento Pastilla Square diamond ring in yellow gold. A modern and elegant jewel defined by its geometric design and refined brilliance.Reference: 14711300015Technical detailsMetal: 18K yellow goldDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.48 ctThe Firmamento Pastilla Square ring in yellow gold features a contemporary design...
Sunset Emerald and Diamond Earrings in White Gold - Emerald Earrings
  • New
Emerald Earrings

Sunset Emerald and Diamond Earrings in White Gold

NICOLS
99930557721
€12,700.00
Sunset emerald and diamond earrings in white gold. An elegant and luminous jewel that combines the intense color of emeralds with the refined brilliance of diamonds.Reference: 99930557721Technical detailsMetal: 18K white goldGemstones: Rectangular cut emeralds, 1.98 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 1.25 ctThe Sunset...
Sunset Emerald and Diamond Earrings - Emerald Earrings
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Emerald Earrings

Sunset Emerald and Diamond Earrings

NICOLS
99930557521
€8,680.00
Sunset emerald and diamond earrings. An elegant and luminous jewel that combines the intense color of emeralds with the refined brilliance of diamonds.Reference: 99930557521Technical detailsMetal: 18K white goldGemstones: Rectangular cut emeralds, 1.75 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 1.10 ctThe Sunset earrings stand...
Dafne Petit Oval Diamond Engagement Ring 0.75 Yellow Gold - Lonely yellow gold
  • New
Yellow Gold Solitaire Rings

Dafne Petit Oval Diamond Engagement Ring 0.75 Yellow Gold

NICOLS BODA
29210566215
€5,990.00
Dafne Petit oval diamond engagement ring in yellow gold. An elegant and luminous jewel that symbolizes love and lifelong commitment.Reference: 29210566215Technical detailsMetal: 18K yellow goldCenter stone: Oval cut diamond, 0.75 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.15 ctThe Dafne Petit engagement ring in yellow gold...
Dafne Petit Oval Diamond Engagement Ring 0.75 White Gold - White Gold Engagement Rings Solitaire
  • New
White Gold Solitaire Rings

Dafne Petit Oval Diamond Engagement Ring 0.75 White Gold

NICOLS BODA
29210566211
€5,995.00
Dafne Petit oval diamond engagement ring in white gold. An elegant and refined jewel that symbolizes love and lifelong commitment.Reference: 29210566211Technical detailsMetal: 18K white goldCenter stone: Oval cut diamond, 0.75 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.15 ctThe Dafne Petit engagement ring in white gold stands...
Dafne Petit Oval Diamond Engagement Ring 0.70 Yellow Gold - Lonely yellow gold Dafne Petit Oval Diamond Engagement Ring 0.70 Yellow Gold - Lonely yellow gold 2
  • New
Yellow Gold Solitaire Rings

Dafne Petit Oval Diamond Engagement Ring 0.70 Yellow Gold

NICOLS
29210566115
€5,380.00
Dafne Petit oval diamond engagement ring in yellow gold. An elegant and luminous jewel that symbolizes love and lifelong commitment.Reference: 29210566115Technical detailsMetal: 18K yellow goldCenter stone: Oval cut diamond, 0.70 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.15 ctThe Dafne Petit engagement ring in yellow gold...
Dafne Petit Oval Diamond Engagement Ring 0.70 White Gold - White Gold Engagement Rings Solitaire Dafne Petit Oval Diamond Engagement Ring 0.70 White Gold - White Gold Engagement Rings Solitaire 2
  • New
White Gold Solitaire Rings

Dafne Petit Oval Diamond Engagement Ring 0.70 White Gold

NICOLS
29210566111
€5,395.00
Dafne Petit oval diamond engagement ring in white gold. An elegant and refined jewel that symbolizes love and lifelong commitment.Reference: 29210566111Technical detailsMetal: 18K white goldCenter stone: Oval cut diamond, 0.70 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.15 ctThe Dafne Petit engagement ring in white gold stands...
Tanzanite and Diamond Earrings in Yellow Gold Dahlia - Blue stones earrings Tanzanite and Diamond Earrings in Yellow Gold Dahlia - Blue stones earrings 2
  • New
Blue Stone Earrings

Tanzanite and Diamond Earrings in Yellow Gold Dahlia

NICOLS SPECIAL
99930752025
€6,970.00
Dalia tanzanite and diamond earrings in yellow gold. A sophisticated and dazzling jewel that combines the intense color of tanzanite with the exceptional brilliance of diamonds.Reference: 99930752025Technical detailsMetal: 18K yellow goldGemstones: Oval cut tanzanites, 3.80 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 1.60 ctThe...
Tanzanite and Diamond Earrings in White Gold Dahlia - Blue stones earrings Tanzanite and Diamond Earrings in White Gold Dahlia - Blue stones earrings 2
  • New
Blue Stone Earrings

Tanzanite and Diamond Earrings in White Gold Dahlia

NICOLS
99930752021
€6,980.00
Dalia tanzanite and diamond earrings in white gold. A sophisticated and dazzling jewel that combines the intense color of tanzanite with the exceptional brilliance of diamonds.Reference: 99930752021Technical detailsMetal: 18K white goldGemstones: Oval cut tanzanites, 3.80 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 1.60 ctThe...
Tanzanite and Diamond Ring in Yellow Gold Dahlia - Blue Engagement Rings Tanzanite and Diamond Ring in Yellow Gold Dahlia - Blue Engagement Rings 2
  • New
Blue Engagement Rings

Tanzanite and Diamond Ring in Yellow Gold Dahlia

NICOLS SPECIAL
99930752015
€4,795.00
Dalia tanzanite and diamond ring in yellow gold. A sophisticated and luminous jewel that combines the intense color of tanzanite with the refined brilliance of diamonds.Reference: 99930752015Technical detailsMetal: 18K yellow goldGemstone: Oval cut tanzanite, 1.90 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.80 ctThe Dalia ring...
Tanzanite and Diamond Ring in White Gold Dahlia - Blue Engagement Rings Tanzanite and Diamond Ring in White Gold Dahlia - Blue Engagement Rings 2
  • New
Blue Engagement Rings

Tanzanite and Diamond Ring in White Gold Dahlia

NICOLS
99930752011
€4,785.00
Dalia tanzanite and diamond ring in white gold. A sophisticated and luminous jewel that combines the intense color of tanzanite with the refined brilliance of diamonds.Reference: 99930752011Technical detailsMetal: 18K white goldGemstone: Oval cut tanzanite, 1.90 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.80 ctThe Dalia ring...
Dafne Petit Oval Diamond Engagement Ring 0.50 White Gold - White Gold Engagement Rings Solitaire Dafne Petit Oval Diamond Engagement Ring 0.50 White Gold - White Gold Engagement Rings Solitaire 2
  • New
White Gold Solitaire Rings

Dafne Petit Oval Diamond Engagement Ring 0.50 White Gold

NICOLS BODA
29210565711
€4,485.00
Dafne Petit oval diamond engagement ring in white gold. An elegant and refined jewel that symbolizes love and lifelong commitment.Reference: 29210565711Technical detailsMetal: 18K white goldCenter stone: Oval cut diamond, 0.50 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.15 ctThe Dafne Petit engagement ring in white gold stands...
Dafne Petit Oval 0.40 Diamond Engagement Ring in White Gold - White Gold Engagement Rings Solitaire Dafne Petit Oval 0.40 Diamond Engagement Ring in White Gold - White Gold Engagement Rings Solitaire 2
  • New
White Gold Solitaire Rings

Dafne Petit Oval 0.40 Diamond Engagement Ring in White Gold

NICOLS BODA
29210565511
€2,995.00
Dafne Petit oval diamond engagement ring in white gold. A delicate and elegant jewel that symbolizes love and timeless sophistication.Reference: 29210565511Technical detailsMetal: 18K white goldCenter stone: Oval cut diamond, 0.40 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.15 ctThe Dafne Petit engagement ring in white gold...
Orange Zircon and Diamond Sunset Yellow Gold Ring - Rings other precious stones Orange Zircon and Diamond Sunset Yellow Gold Ring - Rings other precious stones 2
  • New
Rings Other Precious Stones

Orange Zircon and Diamond Sunset Yellow Gold Ring

NICOLS
99929918518
€2,350.00
Sunset ring with orange zircon and diamonds in yellow gold. A warm and luminous jewel that combines the vibrant color of zircon with the elegant brilliance of diamonds.Reference: 99929918518Technical SpecificationsMetal: 18K Yellow GoldStone: Rectangular-cut orange zircon, 0.60 ctDiamonds: Brilliant cutColor: H-IClarity: VS-SITotal diamond weight: 0.39...
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