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

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
  • New
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
  • New
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
  • New
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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