Diamond Promise Rings

Promise Diamond Rings — handmade in Spain since 1917

Discover the essence of eternal commitment with our Diamond Promise Rings, a tradition that Nicols Joyeros has cultivated since 1917. Each piece reflects the mastery of four generations of artisans who work exclusively with 18k gold and platinum, guaranteeing a jewel that lasts as long as the feeling it represents. The natural diamonds, rigorously selected, provide authentic brilliance and unsurpassed quality, ideal for sealing promises that transcend time.

In our collection, each ring is more than a symbol: it is a story of love and trust, designed for those who value authenticity and excellence. Choose from styles that combine tradition and modernity, with GIA or IGI certified diamonds starting from 0.25 ct, ensuring transparency and value. Make it unique, choose a ring that speaks of your commitment with the strength and elegance that only Nicols Joyeros can offer.

Each ring is designed and crafted in our own workshop in Madrid, where we also perform resizing, personalized engravings, and repairs.

Financing options are available, along with 30-day no-commitment returns and insured shipping.

Book your online consultation with a specialist to design your custom ring; visits to our boutiques in Madrid and Valencia are also available.

Isabella Ruby Solitaire Ring 0.20ct - Ruby Rings Isabella Ruby Solitaire Ring 0.20ct - Ruby Rings 2
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Ruby Rings

Isabella Ruby Solitaire Ring 0.20ct

NICOLS BODA
99928265113
€814.05 (tax excl.)
If you are looking for a modern, romantic and affordable red ruby engagement ring with a central stone weighing 0.20 carats, the Isabella red ruby solitaires are perfect to surprise a young, passionate woman with personality, perhaps because of they are the most sold ruby rings in recent years. Although at Nicols jewelry we have been manufacturing ruby...
Isabella Emerald Solitaire Ring 0.20ct - Rings Isabella Emerald Solitaire Ring 0.20ct - Rings 2
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Rings

Isabella Emerald Solitaire Ring 0.20ct

NICOLS BODA
99928265112
€818.18 (tax excl.)
If you are looking for a modern, economical emerald engagement ring, the Isabella emerald green solitaires are the perfect ones to surprise a young, dynamic, urban woman with personality, perhaps for this reason they are the best-selling emerald solitaires in recent years< BR> Although at Nicols jewelry we have been manufacturing...
Diamond Ring Aro MINI DETAILS - Rings other precious stones
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Other Precious Stone Rings

Diamond Ring Aro MINI DETAILS

NICOLS
99908510011
€1,049.59 (tax excl.)
Gold and diamond ring ARO DETAILS MINI, with central motif oval ring hollow crimping pavé. Made of yellow gold and diamonds brilliant cut.
Gardenia Diamond Ring 0.10 - Rings Gardenia Diamond Ring 0.10 - Rings 2
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Rings

Gardenia Diamond Ring 0.10

NICOLS BODA
29210230011
€743.80 (tax excl.)
Designed in our Madrid jewelry workshops, the GARDENIA rosette diamond rings have been created for unique women, who know what they want and who like to enjoy their rings every day. Gardenia Diamond Ring 0.10 Reference: 29210230011 Technical Data_ NICOLS Gardenia Rosette Diamond Ring. Square-shaped central rosette with seven brilliants joined under...
Trillon Peridot Diamond Ring - Rings other precious stones Trillon Peridot Diamond Ring - Rings other precious stones 2
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Other Precious Stone Rings

Trillon Peridot Diamond Ring

NICOLS
14711195611
€892.56 (tax excl.)
TRILLON Peridot Diamond Ring. Yellow gold ring with facing stones in a you and me. Made of 18kt gold with a 6mm trillion cut triangular stone, light green peridot stone. Includes 16 diamonds
Green Quartz and Lemon Quartz Diamond Ring TRILLON - Rings other precious stones Green Quartz and Lemon Quartz Diamond Ring TRILLON - Rings other precious stones 2
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Other Precious Stone Rings

Green Quartz and Lemon Quartz Diamond Ring TRILLON

NICOLS
14711195411
€892.56 (tax excl.)
TRILLON Green Quartz and Lemon Quartz Diamond Ring. Yellow gold ring with facing stones in a you and me. Made of 18kt gold with a 6mm trillion cut triangular stone, green quartz stone and lemon yellow quartz stone
Garnet and Iolite Diamond Ring TRILLON - Rings other precious stones Garnet and Iolite Diamond Ring TRILLON - Rings other precious stones 2
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Other Precious Stone Rings

Garnet and Iolite Diamond Ring TRILLON

NICOLS
14711195311
€892.56 (tax excl.)
Trillon Garnet and Iolite Diamond Ring. Rose gold ring with facing stones in a you and me. Made of 18kt gold with a 6mm trillion cut triangular stone, red garnet stone and dark blue iolite stone.
Round Flower Diamond Ring LITTLE DETAILS. - Brilliant Cut Round Flower Diamond Ring LITTLE DETAILS. - Brilliant Cut 2
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Brilliant Cut

Round Flower Diamond Ring LITTLE DETAILS.

NICOLS
29210515211
€975.21 (tax excl.)
Round Flower Diamond Ring LITTLE DETAILS. Round Flower Ring made in rose gold and brilliant-cut diamonds with a total weight of 0.30Ct.
Gold and Diamond Ring LITTLE DETAILS. - Brilliant Cut Gold and Diamond Ring LITTLE DETAILS. - Brilliant Cut 2
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Brilliant Cut

Gold and Diamond Ring LITTLE DETAILS.

NICOLS
29210511211
€768.60 (tax excl.)
Gold and Diamond Ring LITTLE DETAILS. Flower silhouette ring made in 18Kt rose gold. and brilliant cut diamonds of 00.7ct total
Diamond Tail Shooting Star Ring LITTLE DETAILS - Brilliant Cut Diamond Tail Shooting Star Ring LITTLE DETAILS - Brilliant Cut 2
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Brilliant Cut

Diamond Tail Shooting Star Ring LITTLE DETAILS

NICOLS
29210516511
€801.65 (tax excl.)
Diamond Tail Shooting Star Ring LITTLE DETAILS. Shooting Star Ring made in rose gold and brilliant-cut diamonds with a total weight of 0.03Ct.
Sapphire Flower Ring MINI DETAILS - Sapphire rings Sapphire Flower Ring MINI DETAILS - Sapphire rings 2
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Sapphire Rings

Sapphire Flower Ring MINI DETAILS

NICOLS
29210521213
€1,115.70 (tax excl.)
Sapphire Flower Ring MINI DETAILS. Ring made in white gold in the shape of an elongated flower with 6 sapphire petals with a total weight of 1.50Ct and diamonds with a total weight of 0.4Ct.
Ruby Flower Ring MINI DETAILS - Ruby Rings Ruby Flower Ring MINI DETAILS - Ruby Rings 2
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Ruby Rings

Ruby Flower Ring MINI DETAILS

NICOLS
29210520113
€743.80 (tax excl.)
Ruby Flower Ring MINI DETAILS. Ring made of white gold in the shape of a flower with 5 ruby ​​petals with a total weight of 0.75Ct and diamonds with a total weight of 0.27Ct.
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