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 Necklace JACKIE 0.20ct 0.50ct Solitaire White Gold 99925221042
  • New
Green Stone Pendants

Emerald Necklace JACKIE 0.20ct 0.50ct Solitaire White Gold

NICOLS SPECIAL
99925221042
From €800.00
JACKIE Emerald Necklace 0.20ct 0.50ct Solitaire White GoldReference_99925221042Perfect necklace to wear every day. Pendant also called "Pureza", which is inserted into a 18kt (750) white gold chain and 40cm total length. Made in Spain by NICOLS jewelers Madrid 1917. 18kt white gold. Round brilliant cut emerald with a weight to select from 0.20 carats or...
Diamond JACKIE 0.55-1.00ct Solitaire Necklace Yellow Gold 99925222045
  • New
Diamond Pendants

Diamond JACKIE 0.55-1.00ct Solitaire Necklace Yellow Gold

NICOLS SPECIAL
99925222045
From €2,945.00
Diamond JACKIE 0.10-0.55ct Solitaire Necklace White GoldReference_99925221041Perfect necklace to wear every day. Pendant also called "Purity", which is inserted into a 18kt (750) white gold chain and 40cm in total length. Made in Spain by NICOLS jewelers Madrid 1917. 18kt white gold. Brilliant cut diamond with a weight to select from 0.10 to 0.15 carats,...
Diamond JACKIE 0.55-1.00ct Solitaire Necklace White Gold 99925222041
  • New
Necklaces

Diamond JACKIE 0.55-1.00ct Solitaire Necklace White Gold

NICOLS SPECIAL
99925222041
From €2,950.00
Diamond Jackie 0.55 - 1.00 ct Solitaire Necklace White GoldReference_ 99925222041Perfect necklace to wear every day. Pendant also called "Purity", which is inserted into a 18kt (750) white gold chain and 40cm in total length. Made in Spain by NICOLS jewelers Madrid 1917. 18kt white gold. Brilliant cut diamond Color H and Clarity VS. Accompanied with...
JACKIE 0.10-0.50ct Diamond Solitaire Necklace Yellow Gold 99925221045
  • New
Baptism and First Communion Jewelry

Diamond JACKIE 0.55-1.00ct Solitaire Necklace White Gold

NICOLS SPECIAL
99925221045
From €805.00
Diamond JACKIE 0.10-0.55ct Solitaire Necklace Yellow GoldReference_99925221045Perfect necklace to wear every day. Pendant also called 'Purity', which is inserted into a 18kt (750) yellow gold chain with a total length of 40cm. Made in Spain by NICOLS jewelers Madrid 1917. 18kt yellow gold. Brilliant cut diamond with a weight to select from 0.10 to 0.15...
JACKIE 0.10-0.50ct Diamond Solitaire Necklace White Gold 99925221041
  • New
Pendants

Jackie 0.10-0.50ct Diamond Solitaire Necklace White Gold

NICOLS SPECIAL
99925221041
From €810.00
Diamond JACKIE 0.10-0.55ct Solitaire Necklace White GoldReference_99925221041Perfect necklace to wear every day. Pendant also called "Purity", which is inserted into a 18kt (750) white gold chain and 40cm in total length. Made in Spain by NICOLS jewelers Madrid 1917. 18kt white gold. Brilliant cut diamond with a weight to select from 0.10 to 0.15 carats,...
LINDA 0.55-1.00ct Diamond Solitaire Necklace Yellow Gold 99922902045
  • New
Diamond Pendants

LINDA 0.55-1.00ct Diamond Solitaire Necklace Yellow Gold

NICOLS SPECIAL
99922902045
From €3,265.00
Diamond Necklace LADY 0.55-1.00ct Solitaire Yellow GoldReference_99922892045Made in Spain by NICOLS jewelers Madrid 1917. Diamond pendant set and protected by a yellow gold bezel. 40cm total length chain and 18 kt (750) yellow gold bezel. Pendant also called 'Purity' with brilliant cut diamond. Color H / I and Purity VS / SIAccompanied with Certificate of...
LINDA 0.55-1.00ct Diamond Solitaire Necklace White Gold 99922902041
  • New
Pendants

LINDA 0.55-1.00ct Diamond Solitaire Necklace White Gold

NICOLS SPECIAL
99922902041
From €3,270.00
LINDA 0.55-1.00ct Diamond Solitaire Necklace White GoldReference_99922902041. Made in Spain by NICOLS jewelers Madrid 1917. Diamond pendant set and protected by a white gold bezel. 40cm total length chain and 18 kt (750) white gold bezel. Pendant also called "Purity" with brilliant cut diamond. Color H / I and Purity VS / SI. Accompanied with Certificate...
LADY 0.55-1.00ct Diamond Solitaire Necklace Yellow Gold 99922892045
  • New
Diamond Pendants

LADY 0.10-0.50ct Diamond Solitaire Necklace White Gold

NICOLS SPECIAL
99922892045
From €3,095.00
Diamond Necklace LADY 0.55-1.00ct Solitaire Yellow GoldReference_99922892045Made in Spain by NICOLS jewelers Madrid 1917. Diamond pendant set and protected by a yellow gold bezel. 40cm total length chain and 18 kt (750) yellow gold bezel. Pendant also called "Purity" with brilliant cut diamond. Color H / I and Purity VS / SIAccompanied with Certificate of...
LADY 0.10-0.50ct Diamond Solitaire Necklace White Gold 99922891041
  • New
Pendants

LADY 0.10-0.50ct Diamond Solitaire Necklace White Gold

NICOLS SPECIAL
99922892041
From €3,100.00
Diamond Necklace LADY 0.55-1.00ct Solitaire White GoldReference_99922892041Made in Spain by NICOLS jewelers Madrid 1917. Diamond pendant set and protected by a white gold bezel. 40cm total length chain and 18 kt (750) white gold bezel. Pendant also called "Purity" with brilliant cut diamond. Color H / I and Purity VS / SIAccompanied with Certificate of...
LADY 0.10-0.50ct Diamond Solitaire Necklace White Gold 99922891041 99922891045
  • New
Diamond Pendants

Collar Diamante Lady 0.10-0.50ct Solitario Oro Amarillo 99928311045

NICOLS
99922891045
From €805.00
Diamond Necklace LADY 0.10-0.50ct Solitaire Yellow GoldReference_99922891045Made in Spain by NICOLS jewelers Madrid 1917. Diamond pendant set and protected by a yellow gold bezel. 40cm total length chain and 18 kt (750) yellow gold bezel. Pendant also called 'Purity' with brilliant cut diamond. Color H / I and Purity VS / SIAccompanied with Certificate of...
LADY 0.10-0.50ct Diamond Solitaire Necklace White Gold 99922891041
  • New
Diamond Necklaces

LADY 0.10-0.50ct Diamond Solitaire Necklace White Gold

NICOLS SPECIAL
99922891041
From €810.00
Diamond Necklace LADY 0.10-0.50ct Solitaire White GoldReference_99922891041Made in Spain by NICOLS jewelers Madrid 1917. Diamond pendant set and protected by a white gold bezel. 40cm total length chain and 18 kt (750) white gold bezel. Pendant also called "Purity" with brilliant cut diamond. Color H / I and Purity VS / SIAccompanied with Certificate of...
Solitaire Ring OLIVIA 0.50 - White Gold Engagement Rings Solitaire Solitaire Ring OLIVIA 0.50 - White Gold Engagement Rings Solitaire 2
  • New
White Gold Solitaire Rings

Solitaire Ring OLIVIA 0.50

NICOLS
99929998711
€3,600.00
Designed in our jewelry workshops in Madrid, the OLIVIA solitaire rings have been created for different women, who stand out among others and who like to wear their rings daily.If you are looking for a different engagement ring, this solitaire is classic and special, ideal for women who flee from the usual. This engagement ring made of white gold has a...
Diamond ALEXIA 0.55-1.00ct Solitaire Necklace Yellow Gold 99928312045
  • New
Necklaces

Diamond ALEXIA 0.55-1.00ct Solitaire Necklace Yellow Gold

NICOLS SPECIAL
99928312045
From €2,885.00
If you are looking for a solitaire diamond necklace with a significant diamond, between 0.50 and 1.00 carats, so that it becomes one of those family jewels that are passed down from generation to generation but can be worn every day, diamond cut necklaces brilliant Alexia are perfect as gifts or to reward yourself with a beautiful jewel that fills our...
ALEXIA 0.55-1.00ct Diamond Solitaire Necklace White Gold 99928312041
  • New
Diamond Pendants

ALEXIA 0.55-1.00ct Diamond Solitaire Necklace White Gold

NICOLS SPECIAL
99928312041
From €2,890.00
If you are looking for a solitaire diamond necklace with a significant diamond, between 0.50 and 1.00 carats, so that it becomes one of those family jewels that are passed down from generation to generation but can be worn every day, diamond cut necklaces brilliant Alexia are perfect as gifts or to reward yourself with a beautiful jewel that fills our...
DELPHINA Diamond Ring 0.18 Emerald Cut Yellow Gold - Emerald Cut DELPHINA Diamond Ring 0.18 Emerald Cut Yellow Gold - Emerald Cut 2
  • New
Emerald Cut

DELPHINA Diamond Ring 0.18 Emerald Cut Yellow Gold

NICOLS
99930180015
€2,185.00
If you are looking for a diamond wedding or engagement ring, a gold ring as a different gift, the DELPHINA ring is the best choice, being the classic diamond-set wedding band, with a personal and special touch given by an emerald-cut diamond. center.The DELPHINA ring is perfect to wear as an engagement ring to go with your wedding band, and as a discreet,...
DELPHINA Diamond Ring 0.18 Emerald Cut White Gold - Emerald Cut DELPHINA Diamond Ring 0.18 Emerald Cut White Gold - Emerald Cut 2
  • New
Emerald Cut

DELPHINA Diamond Ring 0.18 Emerald Cut White Gold

NICOLS
99930180011
€2,285.00
If you are looking for a diamond wedding or engagement ring, a gold ring as a different gift, the DELPHINA ring is the best choice, being the classic diamond-set wedding band, with a personal and special touch given by an emerald-cut diamond. center.The DELPHINA ring is perfect to wear as an engagement ring to go with your wedding band, and as a discreet,...
ALEXIA 0.10-0.50ct Diamond Solitaire Necklace Yellow Gold 99928311045
  • New
Diamond Necklaces

ALEXIA 0.10-0.50ct Diamond Solitaire Necklace Yellow Gold

NICOLS SPECIAL
99928311045
From €690.00
If you are looking for a solitaire diamond necklace in yellow gold to wear every day and in any situation, the necklaces with brilliant-cut diamonds between 0.10 and 0.50 carats, set in a six-claw crown, ALEXIA are perfect for gifts or for treat yourself . The six-claw design of the Alexia pendant means that the diamond is highly protected without losing...
ALEXIA 0.10-0.50ct Diamond Solitaire Necklace White Gold 99928311041
  • New
Baptism and First Communion Jewelry

ALEXIA 0.10-0.50ct Diamond Solitaire Necklace White Gold

NICOLS SPECIAL
99928311041
From €695.00
If you are looking for a solitaire diamond necklace in white gold to wear every day and in any situation, the necklaces with brilliant-cut diamonds between 0.10 and 0.50 carats, set in a six-claw crown, ALEXIA are perfect for gifts or for treat yourself . The six-claw design of the Alexia pendant means that the diamond is highly protected without losing...
Gold ring BASIC GOLD TU YO Whip - Golden rings without stones Gold ring BASIC GOLD TU YO Whip - Golden rings without stones 2
  • New
Gold Rings Without Stones

Gold ring BASIC GOLD TU YO Whip

NICOLS
35010300510
€1,660.00
NICOLS 18kt gold rings are characterized by their exceptional craftsmanship and timeless style. Request personalized advice at NICOLS so that your gold ring is the most suitable for your lifestyle. Handcrafted elaboration, personalization and engraving are the services that we at NICOLS offer you. Buying an authentic 18kt gold ring is part of that wish...
YOU AND ME MIDI Ring Yellow and White Gold - Golden rings without stones YOU AND ME MIDI Ring Yellow and White Gold - Golden rings without stones 2
  • New
Gold Rings Without Stones

YOU AND ME MIDI Ring Yellow and White Gold

NICOLS
35010301110
€1,660.00
Bicolor gold rings, yellow gold and white gold rings, have been throughout history, one of the most precious goods because it has been the most valued metal for millennia, representing in many cases a symbol of status and social power. In fact, it allowed others to see that you were in a position of power (be it financially speaking or because you...
Men's Gold Chain GOLD 3-1 5mm 60cm - Gold Chains for Men Men's Gold Chain GOLD 3-1 5mm 60cm - Gold Chains for Men 2
  • New
Men's Gold Chains

Men's Gold Chain GOLD 3-1 5mm 60cm

NICOLS
35910085650
€3,420.00
If you are looking for a chain for men, a masculine chain that is very fashionable, this NICOLS gold chain will be the perfect one, as it is a classic chain that never goes out of style. Wear your most modern look with this yellow gold chain. This 3-1 flat curb gold chain is the most traditional gold chain and at the same time the chain that is in...
Gold Chain Man GOLD 5mm 60cm - Gold Chains for Men Gold Chain Man GOLD 5mm 60cm - Gold Chains for Men 2
  • New
Men's Gold Chains

Gold Chain Man GOLD 5mm 60cm

NICOLS SPECIAL
35910005650
€2,680.00
If you are looking for a chain for men, a masculine chain that is very fashionable, this NICOLS gold chain will be the perfect one, as it is a classic chain that never goes out of style. Wear your most modern look with this yellow gold chain. This flat curb gold chain is the most traditional gold chain and at the same time the most fashionable chain. At...
ONDA CROSS White Yellow Gold Ring - Golden rings without stones ONDA CROSS White Yellow Gold Ring - Golden rings without stones 2
  • New
Gold Rings Without Stones

ONDA CROSS White Yellow Gold Ring

NICOLS SPECIAL
35010058510
€930.00
NICOLS 18kt gold rings are characterized by their exceptional craftsmanship and timeless style. Request personalized advice at NICOLS so that your gold ring is the most suitable for your lifestyle. Handcrafted elaboration, personalization and engraving are the services that we at NICOLS offer you. Buying an authentic 18kt gold ring is part of that wish...
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