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.

You might also be interested in: engagement bands · solitaire rings · rosette engagement rings

Vintage Gold and Diamonds Ring SNOW FLOWER - Rings Vintage Gold and Diamonds Ring SNOW FLOWER - Rings 2
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Rings

Vintage Gold and Diamonds Ring SNOW FLOWER

NICOLS
29210510511
€801.65 (tax excl.)
Vintage Gold and Diamonds Ring SNOW FLOWER NICOLS. Ring with a high bouquet, set with brilliant-cut diamonds, in the shape of a flower and a white gold ring. Made of 18kt gold and 25 brilliant cut diamonds with a total weight of 0.09 carats.
Diamond Flower Ring 29210290111 MIX + MATCH Diamond Flower Ring 29210290111 MIX + MATCH 2
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Diamond Rings

Diamond Flower Ring MIX + MATCH

NICOLS
29210290111
€876.03 (tax excl.)
Diamond Flower Ring MIX + MATCH Nicol. Ring-shaped flower with four petals, with a center diamond. The arm of the ring is engraved in rope form. Made of pink gold with a diamond 0.02ct weight.
Lolita Pink Sapphire and Diamond Heart Ring 0.55 Rose Gold - Promise Rings Lolita Pink Sapphire and Diamond Heart Ring 0.55 Rose Gold - Promise Rings 2
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Diamond Promise Rings

Lolita Pink Sapphire and Diamond Heart Ring 0.55 Rose Gold

NICOLS BODA
26910388119
€1,776.86 (tax excl.)
Lolita Heart Pink Sapphire and Diamond Ring 0.55 Rose Gold Reference: 26910388119 Technical Sheet Lolita Nicols heart-shaped pink sapphire and diamond ring. Ring with a heart-cut center stone, a high prong-set, and a row of 16 diamonds, 8 on each side. Crafted in genuine and sustainable 18K rose gold, with brilliant-cut diamonds. Total weight: 0.40 carats...
Pear Cut Diamond Solitaire Ring 0.30 Carats Alma - Talla Pera Pear Cut Diamond Solitaire Ring 0.30 Carats Alma - Talla Pera 2
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Pear Cut

Pear Cut Diamond Solitaire Ring 0.30 Carats Alma

NICOLS
99930375311
€2,644.63 (tax excl.)
Alma Solitaire Ring with Pear Diamond 0.30ct White GoldReference: 99930375311Technical Sheet: Solitaire ring with pear-cut central diamond and diamond halo. Crafted in 18k white gold with white rhodium finish, artisanally made in the Nicols workshops in Madrid. Central diamond: pear cut, weight 0.30 carats, color H, clarity VS. Side diamonds and halo:...
Vintage Heritage Sapphire Ring - vintage designs Vintage Heritage Sapphire Ring - vintage designs 2
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Vintage Designs

Vintage Heritage Sapphire Ring

NICOLS
14711315011
€1,801.65 (tax excl.)
Vintage Heritage Sapphire Ring – an elegant and timeless design that revives the romance of the past with a touch of contemporary luxury.Handcrafted in the high jewelry workshops of Nicols in Madrid, this ring is made from 18k white gold with a white rhodium finish that enhances its brightness and durability. Its silhouette, inspired by vintage...
You and Me Jasmine White Gold Diamond Ring - Emerald Cut You and Me Jasmine White Gold Diamond Ring - Emerald Cut 2
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Emerald Cut

You and Me Jasmine White Gold Diamond Ring

NICOLS
32810302011
€2,371.90 (tax excl.)
Jasmine White Gold You and Me Diamond Ring Reference: 32810302011 Technical Sheet_ The Open Ring You and Me Jasmine is crafted in white gold and features brilliant-cut diamonds on the band with a total weight of 0.20ct. It boasts a brilliant combination of two finishes: one with an emerald-cut diamond of 0.15 ct, while the other end is set with a...
Jasmine Open Diamond Ring - Talla Pera Jasmine Open Diamond Ring - Talla Pera 2
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Pear Cut

Jasmine Open Diamond Ring

NICOLS
32810300011
€3,661.16 (tax excl.)
Jasmine Open Diamond Ring Reference: 32810300011 Technical Sheet_ Jasmine Open Ring is made of white gold and diamonds on the arm with a total weight of 0.25 ct. It has a brilliant combination of three ends: one of them presents a baguette-cut diamond of 0.20 ct, while the other two ends are set with pear-cut diamonds, with a total weight of 0.30 ct....
Lirio Engagement Ring White Gold with Baguette Diamond 0.10Ct. - White Gold Engagement Rings Solitaire Lirio Engagement Ring White Gold with Baguette Diamond 0.10Ct. - White Gold Engagement Rings Solitaire 2
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White Gold Solitaires

Lirio Engagement Ring White Gold with Baguette Diamond 0.10Ct.

NICOLS SOLITARI
99930574911
€648.76 (tax excl.)
Lirio Engagement Ring in White Gold with 0.10ct Baguette Diamond. Reference: 99930574911 Technical Sheet: The Lirio engagement ring is crafted in white gold and features an elegant 0.10ct baguette-cut diamond. Its minimalist and sophisticated design makes it a perfect choice for those seeking a refined and timeless piece of jewelry. Ideal to symbolize...
Dafne Petit Solitaire Diamond Ring 0.10 Yellow Gold - Promise Rings Dafne Petit Solitaire Diamond Ring 0.10 Yellow Gold - Promise Rings 2
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Diamond Promise Rings

Dafne Petit Solitaire Diamond Ring 0.10 Yellow Gold

NICOLS
29210584915
€1,219.01 (tax excl.)
Dafne Petit Solitaire Ring Yellow Gold Diamond 0.10Reference_ 29210584915Technical Sheet_ Nicols Dafne Petit solitaire ring and arm with diamonds.Ring with central stone in high setting with brilliant-cut diamond arm on side battlements.Made of recycled and sustainable gold, 18kt yellow gold and central brilliant diamond with a total weight of 0.10 carats...
Lolita Sapphire and Diamond Heart Ring 0.55 - Promise Rings Lolita Sapphire and Diamond Heart Ring 0.55 - Promise Rings 2
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Diamond Promise Rings

Lolita Sapphire and Diamond Heart Ring 0.55

NICOLS BODA
26910388011
€1,776.86 (tax excl.)
Lolita Sapphire and Diamond Heart Ring 0.55Ref: 26910388011 Technical Details: The Lolita ring is crafted in white gold and features brilliant-cut diamonds on the shank, with a total weight of 0.40 ct. Its center stone is an elegant 0.55 ct heart-cut sapphire, creating a sophisticated and romantic piece, ideal for special moments. The Lolita ring is...
You and Me Jasmine Rose Gold and Diamond Ring - Emerald Cut You and Me Jasmine Rose Gold and Diamond Ring - Emerald Cut 2
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Emerald Cut

You and Me Jasmine Rose Gold and Diamond Ring

NICOLS
32810302019
€2,330.58 (tax excl.)
You and Me Jasmine Rose Gold and Diamond Ring Reference: 32810302019 Technical Sheet_ The Open You and Me Jasmine Ring is crafted in rose gold and features brilliant-cut diamonds on the band with a total weight of 0.20ct. It boasts a brilliant combination of two finishes: one with an emerald-cut diamond of 0.15 ct, while the other end is set with a...
You and Me Jasmine Gold and Diamond Ring - Emerald Cut You and Me Jasmine Gold and Diamond Ring - Emerald Cut 2
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Emerald Cut

You and Me Jasmine Gold and Diamond Ring

NICOLS BODA
32810302015
€2,330.58 (tax excl.)
You and Me Jasmine Gold and Diamond Ring Reference: 32810302015 Technical Sheet_ The Open You and Me Jasmine Ring is crafted in yellow gold and features brilliant-cut diamonds on the band with a total weight of 0.20ct. It boasts a brilliant combination of two finishes: one with an emerald-cut diamond of 0.15 ct, while the other end is set with a...
Lolita Pear Ring Sapphire and Diamonds 0.85 White Gold - Rings Lolita Pear Ring Sapphire and Diamonds 0.85 White Gold - Rings 2
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Rings

Lolita Pear Ring Sapphire and Diamonds 0.85 White Gold

NICOLS
26910385211
€1,975.21 (tax excl.)
Lolita Pear Ring Sapphire and Diamonds 0.85 White GoldReference_ 26910385211Technical SheetLolita Nicols pear-shaped diamond and blue sapphire ring. Ring with a pear-cut central stone, with a high mouthpiece held by three claws and an arm with a row of 16 diamonds, 8 on each side of the arm. Made in authentic and sustainable 18K white gold, with...
Lolita Pear Ring Pink Sapphire and Diamonds 0.80 Rose Gold 26910385119 - Sapphire rings Lolita Pear Ring Pink Sapphire and Diamonds 0.80 Rose Gold 26910385119 - Sapphire rings 2
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Sapphire Rings

Lolita Pear Ring Pink Sapphire and Diamonds 0.80 Rose Gold 26910385119

NICOLS
26910385119
€1,979.34 (tax excl.)
Lolita Pear Ring Pink Sapphire and Diamonds 0.85 Rose GoldReference_ 26910385119Technical SheetLolita Nicols pear-shaped pink sapphire and diamond ring. Ring with a pear-cut central stone, with a high mouthpiece held by three claws and an arm with a row of 16 diamonds, 8 on each side of the arm. Made in authentic and sustainable 18K rose gold, with...
Lolita Pear Ring Emerald and Diamonds 0.85 Yellow Gold - Promise Rings Lolita Pear Ring Emerald and Diamonds 0.85 Yellow Gold - Promise Rings 2
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Diamond Promise Rings

Lolita Pear Ring Emerald and Diamonds 0.85 Yellow Gold

NICOLS
26910385015
€2,132.23 (tax excl.)
Lolita Green Perilla Emerald and Diamond Ring 0.85 Yellow GoldReference_ 26910385015Technical SheetLolita Nicols pear-shaped green emerald and diamond ring. Ring with a pear-cut central stone, with a high mouthpiece held by three claws and an arm with a row of 16 diamonds, 8 on each side of the arm. Made in authentic and sustainable 18K yellow gold, with...
Lolita Pear Ring Emerald and Diamonds 0.85 White Gold - Rings
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Rings

Lolita Pear Ring Emerald and Diamonds 0.85 White Gold

NICOLS
26910385011
€2,140.50 (tax excl.)
Lolita Green Emerald Ring with Perilla Diamonds 0.85 White GoldReference_ 26910385011Technical SheetLolita Nicols pear-shaped green emerald and diamond ring. Ring with pear-cut central stone, with a high mouthpiece held by three claws and an arm with a row of 16 diamonds, 8 on each side of the arm. Made in authentic and sustainable 18K white gold, with...
Margarita Diamond Solitaire Ring 0.15 Yellow Gold - Promise Rings Margarita Diamond Solitaire Ring 0.15 Yellow Gold - Promise Rings 2
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Diamond Promise Rings

Margarita Diamond Solitaire Ring 0.15 Yellow Gold

NICOLS
99930178015
€1,471.07 (tax excl.)
If you are looking for a diamond ring as a gift, for a special celebration, or even as an engagement or anniversary ring, brilliant Daisy rings are ideal for a modern, urban and current woman, especially if you are looking for a type of ring that will wear it every day. For generations, diamond rings have been chosen to seal love, and that is why at...
Dafne Petit Solitaire Diamond Ring 0.15 Yellow Gold - Promise Rings Dafne Petit Solitaire Diamond Ring 0.15 Yellow Gold - Promise Rings 2
  • New
Diamond Promise Rings

Dafne Petit Solitaire Diamond Ring 0.15 Yellow Gold

NICOLS
29210585015
€1,392.56 (tax excl.)
Dafne Petit 0.15 Yellow Gold Diamond Solitaire RingReference_ 29210585015Technical Sheet_ Nicols Dafne Petit solitaire ring and arm with diamonds.Ring with a central stone in a high setting with a brilliant-cut diamond arm on the side battlements.Made of recycled and sustainable gold, 18kt yellow gold and a central brilliant diamond with a total weight of...
Dafne Petit Diamond Ring 0.15 - Rings Dafne Petit Diamond Ring 0.15 - Rings 2
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Rings

Dafne Petit Diamond Ring 0.15

NICOLS
29210585011
€1,396.69 (tax excl.)
Dafne Petit Solitaire Diamond Ring 0.15Reference_ 29210585011Technical Data_ Nicols Dafne Petit solitaire ring and arm with diamonds.Ring with central stone in high setting with arm of brilliant cut diamonds in side battlements.Made of recycled and sustainable gold, 18kt white gold and central brilliant diamond with a total weight of 0.15 carats and 16...
Dafne Petit Promise Ring 0.10 - Rings Dafne Petit Promise Ring 0.10 - Rings 2
  • New
Rings

Dafne Petit Promise Ring 0.10

NICOLS
29210584911
€1,223.14 (tax excl.)
Dafne Petit Diamond Solitaire Ring 0.10Reference_ 29210584911Technical Data_ Nicols Dafne Petit solitaire ring and arm with diamonds.Ring with central stone in high setting with arm of brilliant cut diamonds in side battlements.Made of recycled and sustainable gold, 18kt white gold and central brilliant diamond with a total weight of 0.10 carats and 16...
Emerald Azalea Diamond Ring 0.12 Yellow Gold - Emerald rings Emerald Azalea Diamond Ring 0.12 Yellow Gold - Emerald rings 2
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Emerald Rings

Emerald Azalea Diamond Ring 0.12 Yellow Gold

NICOLS
99930210115
€809.92 (tax excl.)
Emerald Azalea Diamond Ring 0.12 Yellow Gold 99930210115AZALEA Emerald Diamond Ring Yellow GoldReference_ 99930210115Technical Data_ Azalea diamond and emerald alliance ring.Half-ring in a line, 1.50mm wide, with 17 stones in total, set in grain. Made of 18kt yellow gold, 9 brilliant-cut diamonds weighing 0.12 carats and 8 green emeralds weighing 0.10...
Azalea Diamond Ring 0.07 Yellow Gold - Brilliant Cut Azalea Diamond Ring 0.07 Yellow Gold - Brilliant Cut 2
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Brilliant Cut

Azalea Diamond Ring 0.07 Yellow Gold

NICOLS
99930203015
€586.78 (tax excl.)
Azalea Diamond Ring 0.07 Yellow GoldReference_ 99930203015Technical Data_ Azalea diamond alliance ring.Half-ring in a line, 1.20mm wide, with 11 stones in total, set in grain. Made of 18kt yellow gold, 11 brilliant-cut diamonds weighing 0.07 carats. If you are looking for a simple diamond ring, an online diamond alliance, that you can wear every day and...
Azalea Diamond Ring 0.15 Yellow Gold - Brilliant Cut Wedding Ring
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Brilliant Wedding Bands

Azalea Diamond Ring 0.15 Yellow Gold

NICOLS
99930213015
€809.92 (tax excl.)
Azalea Diamond Ring 0.15 Yellow GoldReference_ 99930213015Technical Data_ Azalea diamond alliance ring.Half-ring in a line, 1.50mm wide, with 11 stones in total, set in grain. Made of 18kt yellow gold, 11 brilliant-cut diamonds weighing 0.15 carats.If you are looking for a simple diamond ring, an online diamond alliance, that you can wear every day and...
Emerald Azalea Diamond Ring 0.08 Yellow Gold - Emerald rings
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Emerald Rings

Emerald Azalea Diamond Ring 0.08 Yellow Gold

NICOLS
99930213115
€669.42 (tax excl.)
AZALEA Emerald Diamond Ring Yellow Gold Reference_ 99930213115 Technical Data_ Azalea diamond and emerald alliance ring. Half-ring in a line, 1.50mm wide, with 11 stones in total, set in grain. Made of 18kt yellow gold, 6 brilliant-cut diamonds weighing 0.08 carats and 5 green emeralds weighing 0.07 carats If you are looking for a simple diamond ring...
Chloe Diamond Ring 0.18 Rose Gold - Brilliant Cut Wedding Ring
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Brilliant Wedding Bands

Chloe Diamond Ring 0.18 Rose Gold

NICOLS
14710880019
€768.60 (tax excl.)
Diamond Ring Chloe 0.18 Rose Gold Reference: 14710880019 Technical Sheet_ Ring Diamonds Alliance Chloe Nicols. Diamond ring in a row with twenty-seven diamond bright carving united under pressure in microen-magnian. Manufactured in 18kt rose gold and bright size diamonds of 0.18 carats. "The alliance of authentic solid gold and diamonds online."...
Chloe Diamond Ring 0.18 Yellow Gold - Brilliant Cut Wedding Ring
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Brilliant Wedding Bands

Chloe Diamond Ring 0.18 Yellow Gold

NICOLS
14710880015
€768.60 (tax excl.)
Chloe Diamond Ring 0,18 Yellow Gold Reference: 14710880015 Technical Sheet_ Ring Diamonds Alliance Chloe Nicols. Diamond ring in a row with twenty-seven diamond bright carving united under pressure in microen-magnian. Manufactured in 18kt yellow gold and bright size diamonds of 0.18 carats. "The alliance of authentic solid gold and diamonds online."...
Sapphire Diamond Ring Candy Yellow Gold - Promise Rings Sapphire Diamond Ring Candy Yellow Gold - Promise Rings 2
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Diamond Promise Rings

Sapphire Diamond Ring Candy Yellow Gold

NICOLS
29210261215
€776.86 (tax excl.)
CANDY Diamond RingRing in the shape of an ORLA with a central stone surrounded by diamonds in garrita setting, which highlight that colored center.Made of yellow gold and brilliant cut diamonds with a total weight of 0.08 carats and with sapphire central stone weighing 0.50 carats with oval multifaceted central stone
Margarita Rubi Ring 0.25 - Promise Rings Margarita Rubi Ring 0.25 - Promise Rings 2
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Diamond Promise Rings

Margarita Rubi Ring 0.25

NICOLS SOLITARI
99930176013
€1,165.29 (tax excl.)
Ruby Daisy Solitaire Ring 0.24Reference_99930176012Technical SheetRuby and diamond Daisy ring 0.24 Nicols. Made in Madrid, in a sustainable and eco-responsible way. Ring with a round central stone surrounded by a claw-set diamond border, which highlights that colored center. Made of 18kt white gold and brilliant cut diamonds with a total weight of 0.15...
Margarita Sapphire Ring 0.24 - Rings Margarita Sapphire Ring 0.24 - Rings 2
  • New
Rings

Margarita Sapphire Ring 0.24

NICOLS SOLITARI
99930176014
€1,115.70 (tax excl.)
Sapphire Daisy Solitaire Ring 0.24 Reference_99930176014 Technical Sheet Sapphire and diamond Daisy Ring 0.24 Nicols. Made in Madrid, in a sustainable and eco-responsible way. Ring with a round central stone surrounded by a claw-set diamond border, which highlights that colored center. Made of 18kt white gold and brilliant-cut diamonds with a total...
Margarita Emerald Ring 0.25 - Promise Rings Margarita Emerald Ring 0.25 - Promise Rings 2
  • New
Diamond Promise Rings

Margarita Emerald Ring 0.25

NICOLS
99930176012
€1,198.35 (tax excl.)
Emerald Daisy Solitaire Ring 0.25Reference_99930176012Technical SheetEmerald and diamond Daisy Ring 0.25 Nicols. Made in Madrid, in a sustainable and eco-responsible way. Ring with a round central stone surrounded by a claw-set diamond border, which highlights that colored center. Made of 18kt white gold and brilliant-cut diamonds with a total weight of...
Margarita Diamond Solitaire Ring 0.50 Yellow Gold - Promise Rings Margarita Diamond Solitaire Ring 0.50 Yellow Gold - Promise Rings 2
  • New
Diamond Promise Rings

Margarita Diamond Solitaire Ring 0.50 Yellow Gold

NICOLS SOLITARI
99930178715
€3,214.88 (tax excl.)
If you are looking for a diamond ring as a gift, for a special celebration, or even as an engagement or anniversary ring, brilliant Daisy rings are ideal for a modern, urban and current woman, especially if you are looking for a type of ring that will wear it every day.For generations, diamond rings have been chosen to seal love, and that is why at Nicols...
Margarita Diamond Solitaire Ring 0.50 - Brilliant Cut Margarita Diamond Solitaire Ring 0.50 - Brilliant Cut 2
  • New
Brilliant Cut

Margarita Diamond Solitaire Ring 0.50

NICOLS
99930178711
€3,219.01 (tax excl.)
If you are looking for a diamond ring as a gift, for a special celebration, or even as an engagement or anniversary ring, brilliant Daisy rings are ideal for a modern, urban and current woman, especially if you are looking for a type of ring that will wear it every day.For generations, diamond rings have been chosen to seal love, and that is why at Nicols...
Margarita Diamond Solitaire Ring 0.30 Yellow Gold - Promise Rings Margarita Diamond Solitaire Ring 0.30 Yellow Gold - Promise Rings 2
  • New
Diamond Promise Rings

Margarita Diamond Solitaire Ring 0.30 Yellow Gold

NICOLS SOLITARI
99930178315
€2,272.73 (tax excl.)
If you are looking for a diamond ring as a gift, for a special celebration, or even as an engagement or anniversary ring, brilliant Daisy rings are ideal for a modern, urban and current woman, especially if you are looking for a type of ring that will wear it every day. For generations, diamond rings have been chosen to seal love, and that is why at...
Margarita Diamond Solitaire Ring 0.30 - Brilliant Cut Margarita Diamond Solitaire Ring 0.30 - Brilliant Cut 2
  • New
Brilliant Cut

Margarita Diamond Solitaire Ring 0.30

NICOLS
99930178311
€2,280.99 (tax excl.)
If you are looking for a diamond ring as a gift, for a special celebration, or even as an engagement or anniversary ring, brilliant Daisy rings are ideal for a modern, urban and current woman, especially if you are looking for a type of ring that will wear it every day. For generations, diamond rings have been chosen to seal love, and that is why at...
Margarita Diamond Solitaire Ring 0.15 - Rings Margarita Diamond Solitaire Ring 0.15 - Rings 2
  • New
Rings

Margarita Diamond Solitaire Ring 0.15

NICOLS SOLITARI
99930178011
€1,475.21 (tax excl.)
If you are looking for a diamond ring as a gift, for a special celebration, or even as an engagement or anniversary ring, brilliant Daisy rings are ideal for a modern, urban and current woman, especially if you are looking for a type of ring that will wear it every day.For generations, diamond rings have been chosen to seal love, and that is why at Nicols...
Angie Diamond Ring Marquise size 0.31 - Cut Marquise Angie Diamond Ring Marquise size 0.31 - Cut Marquise 2
  • New
Marquise Cut

Angie Diamond Ring Marquise size 0.31

NICOLS
99930382011
€1,814.05 (tax excl.)
Designed in our jewelry workshops in Madrid, Angie diamond rings have been created for modern women, who know what they want and who like to enjoy their jewelry daily. If you are looking for a different diamond ring in authentic 18kt white gold, and with which to surprise this ring, it is ideal for women who love exclusivity and originality. This ring...

Why choose Nicols

  • More than 100 years of tradition. Family jewelry business founded in 1917.
  • Four generations of artisans. Design and repair in our own workshop.
  • Certified materials. 18 k gold and natural diamonds with GIA or IGI certification.
  • Personalized service. Online or at any of our boutiques in Madrid and Valencia.
  • Wide catalog. +189 models in our collection.

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