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18K Gold Cushion Cut Quartz Rings

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Pomellato Nudo Collection Lemon Quartz 18 Carat Rose Gold Ring
By Pomellato
Located in London, GB
From the classic Pomellato 'Nudo' collection, a beautiful lemon quartz measuring approximately 10mm x 10mm and weighs approximately 5.00 carat mounted in 18 carat rose gold. The ring...
Category

21st Century and Contemporary Modern Fashion Rings

Materials

Quartz, 18k Gold, Rose Gold

Alex Soldier Amethyst Sapphire Gold Textured Cocktail Ring One of a Kind
By Alex Soldier
Located in New York, NY
The Royal Collection is inspired by an intricate mosaic of royal palaces around the world. From exotic Marrakesh and colorful Barcelona, to the magical islands of Greece, it reminds ...
Category

2010s Contemporary Cocktail Rings

Materials

Amethyst, Quartz, Sapphire, Yellow Sapphire, Gold, 18k Gold, Yellow Gold

Special Faceted Rose Quartz Ring Plain 18 Karat Gold
Located in Bangkok, TH
Special Faceted Rose Quartz Plain Ring in 18K Gold Ring Size: 57 Rose Quartz: 5.05cts. Gold: 18K Gold 7.62g.
Category

2010s Contemporary Solitaire Rings

Materials

Quartz, 18k Gold

Large Brown Smoky Quartz 16.00cts Ring with Brown Diamonds in 18KYG - Italian
By Garavelli
Located in Chicago, IL
This 18kt. yellow gold ring has a rich brown rectangular faceted top smoky quartz center that is 16.00cts. Surrounding the center are 28 round brown diamonds=3.47cts. t.w. Ring is ma...
Category

2010s Contemporary Fashion Rings

Materials

Brown Diamond, Quartz, 18k Gold

Pomellato Nudo Collection Smokey Quartz 18 Carat Rose Gold Ring
By Pomellato
Located in London, GB
From the classic Pomellato 'Nudo' collection, a beautiful Smokey quartz measuring approximately 10mm x 10mm and weighs approximately 5.00 carat mounted in 18 carat rose gold. The rin...
Category

21st Century and Contemporary Modern Fashion Rings

Materials

Quartz, 18k Gold, Rose Gold

Moon Quartz Cushion Cabochon Ring with Diamonds
By Goshwara
Located in New York, NY
STYLE #: JR0085-MQ Moon Quartz Cushion Cabochon Ring in 18K with Diamonds, from 'Rock 'N Roll' Collection. Please allow 2-4 weeks for this item to be delivered. Stone Size: 16 x 13...
Category

21st Century and Contemporary Contemporary More Rings

Materials

Diamond, Quartz, 18k Gold

Pink Quartz Briolette Cut and Rose Gold 18 Karat Fashion Ring
Located in Vannes, FR
Pink Quartz and Rose Gold 18k Fashion Ring Pink Quartz Briolette Cut width 12 mm length 12 mm Us Size / 7 French Size / 53 Rose Gold 18 k weight 9.55
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

Quartz, Gold, 18k Gold, Rose Gold

  • Pink Quartz Briolette Cut and Rose Gold 18 Karat Fashion Ring
  • Pink Quartz Briolette Cut and Rose Gold 18 Karat Fashion Ring
  • Pink Quartz Briolette Cut and Rose Gold 18 Karat Fashion Ring
  • Pink Quartz Briolette Cut and Rose Gold 18 Karat Fashion Ring
FREE SHIPPING
W 0.4 in. Dm 1.8 in. L 0.4 in.
Cushion Cut Citrine Surrounded by Diamonds in Gold
Located in Palm Beach, FL
A beautiful ring, centered around a checkerboard, cushion cut, citrine weighing approximately 12ct. Crafted in 18K yellow gold, in a "Princess" style design, it is surrounded by roun...
Category

21st Century and Contemporary Cocktail Rings

Materials

Quartz, Citrine, Diamond, Yellow Diamond, Gold, 18k Gold

  • Cushion Cut Citrine Surrounded by Diamonds in Gold
  • Cushion Cut Citrine Surrounded by Diamonds in Gold
  • Cushion Cut Citrine Surrounded by Diamonds in Gold
  • Cushion Cut Citrine Surrounded by Diamonds in Gold
FREE SHIPPING
H 0.38 in. W 0.63 in. L 0.94 in.
18 Karat Rose Gold with Lemon Quartz Ring
Located in GALLARATE, IT
Ring in 18 karat rose gold with Lemon Quartz Square cut (size: 20x20 mm) Size of ring EU 14.5 or USA 7 The particular cut combined with the Yellow color of the stone create a trendy ...
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Quartz, Gold, 18k Gold, Rose Gold

Moon Quartz Cushion Cabochon Ring with Diamonds
By Goshwara
Located in New York, NY
STYLE #: JR0079-MQ-Y Moon Quartz Cushion Cabochon Ring in 18K Yellow Gold with Diamonds, from 'Rock 'N Roll' Collection Stone Size: 21.50 x 19.50 mm Diamonds: G-H / VS, Approx. W...
Category

21st Century and Contemporary Contemporary More Rings

Materials

Diamond, Quartz, 18k Gold

David Yurman Checkerboard Quartz 18 Karat Gold Sterling Silver Albion Ring
By David Yurman
Located in Philadelphia, PA
Centering a cushion cut checkerboard colorless quartz measuring approximately 14.0 x 14.0 mm Bezel set in a polished gold surround offset by twisted cable motif deeply engraved into...
Category

Late 20th Century Contemporary Cocktail Rings

Materials

Quartz, Gold, 18k Gold, Yellow Gold, Sterling Silver

Pink Quartz Briolette Cut on Rose Gold 18 Karat Fashion Ring
Located in Vannes, FR
Discover this natural pink quartz Briolette cut on Rosegold 18 carat 9.55 grams US size 6.5 French Size 53
Category

21st Century and Contemporary Modern Fashion Rings

Materials

Quartz, Gold, 18k Gold, Rose Gold

  • Pink Quartz Briolette Cut on Rose Gold 18 Karat Fashion Ring
  • Pink Quartz Briolette Cut on Rose Gold 18 Karat Fashion Ring
  • Pink Quartz Briolette Cut on Rose Gold 18 Karat Fashion Ring
  • Pink Quartz Briolette Cut on Rose Gold 18 Karat Fashion Ring
FREE SHIPPING
H 2.5 in. W 2 in. Dm 1.7 in.
18 Karat Large Cushion Cut Pink Quartz and Diamond Ring
By Judith Ripka
Located in Pikesville, MD
A solid and substantial 18 karat yellow gold cocktail ring by Judith Ripka featuring a large vibrant and lively cushion cut pink quartz with diamond encrusted heart shape prongs and ...
Category

Early 2000s Fashion Rings

Materials

Diamond, White Diamond, Quartz, 18k Gold, Yellow Gold

Moon Quartz Cushion Cabochon Ring with Diamonds
By Goshwara
Located in New York, NY
STYLE #: JR0079-MQ-W Moon Quartz Cushion Cabochon Ring in 18K White Gold with Diamond, from 'Rock 'N Roll' Collection Stone Size: 21.50 x 19.50 mm Diamonds: G-H / VS, Approx. Wt....
Category

21st Century and Contemporary Contemporary More Rings

Materials

Diamond, Quartz, 18k Gold

Gucci Horsebit Collection Ring in 18 Karat White Gold with Lemon Quartz Center
By Gucci
Located in Chicago, IL
Previously owned and retired Gucci Horsebit Collection ring. The ring is a size 6 (US), made of 18K white gold, and weighs 13.90 DWT (approx. 21.62 grams). It also has one checkrbd l...
Category

2010s Contemporary Fashion Rings

Materials

Diamond, Quartz, 18k Gold

1.83 Carat Honey Quartz Cushion Briolette Diamond Enamel 18 Karat Gold Ring
By Exquisite Color Kraft Pvt Ltd
Located in Jaipur, Jaipur
This eye-catchy honey quartz cushion briolette weighing approximately 1.83 carats is set meticulously with a surrounding diamond weighing approximately 0.39 carats further decorated ...
Category

21st Century and Contemporary Modern Fashion Rings

Materials

White Diamond, Quartz, Diamond, 18k Gold, Yellow Gold, Gold, Enamel

Lemon Quartz and Diamond Halo Ring, 18 Karat White Gold Cushion 8.12 Carat
Located in Greensboro, NC
Effervescently sparkling, this glamorous ring is destined to become a signature piece in your fine jewelry collection! This NEW 18k white gold ring showcases a lemon quartz solitaire...
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Quartz, 18k Gold, White Gold

18 Karat Rose Gold Gr. 5.30, Cabochon Pink Quartz Carat Gr. 3.35, Ring
By Federica Rettore
Located in Milan, IT
Ring in 18 Karat Rose Gold gr. 5,30; Cabochon Pink Quartz Carat gr. 3,35; design inspired to the Iconic Federica Rettore sea urchin texture theeme a characteristic of her collection.
Category

2010s Dome Rings

Materials

Quartz, 18k Gold, Rose Gold

  • 18 Karat Rose Gold Gr. 5.30, Cabochon Pink Quartz Carat Gr. 3.35, Ring
  • 18 Karat Rose Gold Gr. 5.30, Cabochon Pink Quartz Carat Gr. 3.35, Ring
  • 18 Karat Rose Gold Gr. 5.30, Cabochon Pink Quartz Carat Gr. 3.35, Ring
  • 18 Karat Rose Gold Gr. 5.30, Cabochon Pink Quartz Carat Gr. 3.35, Ring
FREE SHIPPING
H 0.50 in. W 0.51 in. D 0.26 in. Dm 0.67 in.
Smoky Quartz Briolette Cut on Rose Gold 18 Karat Fashion Ring
Located in Vannes, FR
Discover this natural smoky quartz quartz Briolette cut on Rosegold 18 carat 9.55 grams US size 6.5 French Size 53
Category

21st Century and Contemporary Artisan Fashion Rings

Materials

Quartz, Gold, 18k Gold, Rose Gold

  • Smoky Quartz Briolette Cut on Rose Gold 18 Karat Fashion Ring
  • Smoky Quartz Briolette Cut on Rose Gold 18 Karat Fashion Ring
  • Smoky Quartz Briolette Cut on Rose Gold 18 Karat Fashion Ring
  • Smoky Quartz Briolette Cut on Rose Gold 18 Karat Fashion Ring
FREE SHIPPING
H 0.99 in. W 0.79 in. Dm 0.67 in.
18 Karat White Gold Smoky Quarz and White and Brown Diamonds Cocktail Ring
Located in Zurich, Zollstrasse
This cocktail features a 34.42 carat Smoky Quarz and is surrounded by 170 brown and white Diamonds. 18K white Gold. The ring is currently size 55/15 but can be resized larger or sma...
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

White Diamond, Brown Diamond, Quartz, 18k Gold, White Gold

Tacori 11 carat Rutilated Quartz & Black Spinel .07 carat Diamond 18K Gold Ring
By Tacori
Located in Austin, TX
Tacori has a unique and special design that can be recognized worldwide. With Tacori and their one of a kind signature designs you feel a part of their family when you own one of the...
Category

21st Century and Contemporary Artisan Fashion Rings

Materials

Diamond, White Diamond, Quartz, Spinel, 18k Gold, Sterling Silver

Pomellato 18 Karat Yellow Gold Smoky Quartz & Diamond Cocktail Ring
By Pomellato
Located in Bishop's Stortford, Hertfordshire
Code: COM2099 Brand: Pomellato Description: 18k Yellow Gold Smoky Quartz & Diamond Cocktail Ring Accompanied With: Presentation Box Gender: Ladies UK Ring Size: M EU Ring Size: 52 US...
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

White Diamond, Brown Diamond, Quartz, 18k Gold, Yellow Gold

Diamonds Inlaid Into White Quartz Cushion Ring
Located in Beverly Hills, CA
From our signature Bhansali One collection, this ring features clusters of G,VS diamonds (0.90cts) inlaid into special cut white quartz (5.50cts). We love our white quartz because i...
Category

2010s More Rings

Materials

Diamond, Quartz, 18k Gold, White Gold

  • Diamonds Inlaid Into White Quartz Cushion Ring
  • Diamonds Inlaid Into White Quartz Cushion Ring
  • Diamonds Inlaid Into White Quartz Cushion Ring
  • Diamonds Inlaid Into White Quartz Cushion Ring
FREE SHIPPING
W 0.6 in. D 0.4 in. L 0.6 in.
Berca 27Kt Smoky Quartz Cushion Cut 2.20 Carat White Diamond Cocktail Ring
Located in Valenza, IT
A Silky Iridescent 27 Carat Cushion Cut Smoky Quartz in a Sumptuous 2.20 Carat(D-E, Vvs1) White Diamond 18K White Gold original 80's Setting. A detailed Gemmological Certificate is ...
Category

Late 20th Century Modern Cocktail Rings

Materials

White Diamond, Quartz, 18k Gold

18 Karat White Gold, Lemon Quartz and 1.12 Carat Diamond Ring
Located in Scottsdale, AZ
This gorgeous ring is made in 18k white gold, and it features faceted lemon quartz surrounded by diamonds. The quartz measures 8x10mm. The diamonds have a total weight of 1.12 carats...
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Quartz, 18k Gold, White Gold

Lemon Citrine Diamond Gold Cocktail Ring One of a Kind
By Alex Soldier
Located in New York, NY
Alex Soldier Lemon Citrine Cocktail ring in 18 karat yellow gold is uniquely set by the tension of two opposing sides, as if the center stone flows in the air. Lemon citrine: 5.45 ct...
Category

2010s Cocktail Rings

Materials

Quartz, Citrine, Diamond, White Diamond, Gold, 18k Gold, White Gold, Yel...

Rose De France Amethyst Garnet White Gold Cocktail Ring One of a Kind
By Alex Soldier
Located in New York, NY
The Royal Collection is inspired by an intricate mosaic of royal palaces around the world. From exotic Marrakesh and colorful Barcelona, to the magical islands of Greece, it reminds ...
Category

2010s Cocktail Rings

Materials

Amethyst, Garnet, Quartz, Gold, 18k Gold, White Gold

Pomellato Nudo Lemon Quartz Ring 18 Karat Rose Gold Estate Fine Jewelry
By Pomellato
Located in Torrance, CA
Finely detailed pre owned Pomellato Nudo ring, crafted in 18 karat rose gold. Faceted lemon quartz measures 10mm x 10mm (estimated at 5 carats). Note: few light surface abrasions t...
Category

Mid-20th Century Solitaire Rings

Materials

Quartz, 18k Gold, Rose Gold

Alex Soldier Lemon Citrine Garnet White Gold Royal Cocktail Ring One of a Kind
By Alex Soldier
Located in New York, NY
The Royal Collection is inspired by an intricate mosaic of royal palaces around the world. From exotic Marrakesh and colorful Barcelona, to the magical islands of Greece, it reminds ...
Category

2010s Cocktail Rings

Materials

Citrine, Garnet, Quartz, Gold, 18k Gold, White Gold

Pomellato Nudo Maxi Prasiolite 18 Karat Yellow Gold Ring
By Pomellato
Located in Boca Raton, FL
Fabulous designer ring by Pomellato. The stylish ring features a cushion shaped faceted prasiolite gemstone that measures 11.5 x11.5mm and is set in 18 karat yellow gold. The ring s...
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Quartz, 18k Gold, Yellow Gold

Green Amethyst Garnet Rose Gold Textured Cocktail Ring
By Alex Soldier
Located in New York, NY
The Royal Collection is inspired by an intricate mosaic of royal palaces around the world. From exotic Marrakesh and colorful Barcelona, to the magical islands of Greece, it reminds ...
Category

2010s Cocktail Rings

Materials

Amethyst, Garnet, Quartz, Gold, 18k Gold, Rose Gold

  • Green Amethyst Garnet Rose Gold Textured Cocktail Ring
  • Green Amethyst Garnet Rose Gold Textured Cocktail Ring
  • Green Amethyst Garnet Rose Gold Textured Cocktail Ring
  • Green Amethyst Garnet Rose Gold Textured Cocktail Ring
FREE SHIPPING
H 0.5 in. W 0.99 in. L 0.99 in.
Alex Soldier White Topaz Garnet White Gold Royal Cocktail Ring One of a Kind
By Alex Soldier
Located in New York, NY
The Royal Collection is inspired by an intricate mosaic of royal palaces around the world. From exotic Marrakesh and colorful Barcelona, to the magical islands of Greece, it reminds ...
Category

2010s Cocktail Rings

Materials

Garnet, Quartz, Topaz, White Gold, Gold, 18k Gold

Cartier 18 Karat Rose Gold Smoky Quartz and Round Cut Diamond Lotus Ring
By Cartier
Located in Bishop's Stortford, Hertfordshire
This Ring by Cartier is from their Lotus collection and features a central Smoky Quartz with two round brilliant cut Diamonds, made in 18k Rose Gold. The Ring sizes are UK L, EU 51 a...
Category

21st Century and Contemporary Modern Fashion Rings

Materials

White Diamond, Quartz, Rose Gold, 18k Gold

Pomellato Nudo Lemon Quartz 18 Karat Yellow Gold Ring
By Pomellato
Located in Boca Raton, FL
Fabulous designer ring by Pomellato. The stylish ring features a cushion shaped faceted lemon quartz gemstone that measures 11.5 x11.5mm and is set in 18 karat yellow gold. The ring ...
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Quartz, 18k Gold, Yellow Gold

David Yurman Lemon Citrine Quartz Albion Ring
By David Yurman
Located in Coral Gables, FL
18 Karat Yellow Gold & Sterling Silver Albion Ring from David Yurman. Bezel-set cushion-cut Lemon Citrine Quartz centerstone in a two tone twisted split shank design. Finger size 8; ...
Category

Early 2000s Cocktail Rings

Materials

Citrine, Quartz, 18k Gold, Yellow Gold, Sterling Silver

Alex Soldier Green Amethyst Garnet Rose Gold Textured Cocktail Ring
By Alex Soldier
Located in New York, NY
The Royal Collection is inspired by an intricate mosaic of royal palaces around the world. From exotic Marrakesh and colorful Barcelona, to the magical islands of Greece, it reminds ...
Category

2010s Cocktail Rings

Materials

Amethyst, Garnet, Quartz, Gold, 18k Gold, Rose Gold

Pomellato Nudo Collection Rose Quartz 18 Carat Rose Gold Ring
By Pomellato
Located in London, GB
From the classic Pomellato 'Nudo' collection, a beautiful Rose quartz measuring approximately 10mm x 10mm and weighs approximately 5.00 carat mounted in 18 carat rose gold. The ring ...
Category

21st Century and Contemporary Modern Fashion Rings

Materials

Quartz, 18k Gold, Rose Gold

Pomellato Nudo Collection Citrine Quartz 18 Carat Rose Gold Ring
By Pomellato
Located in London, GB
From the classic Pomellato 'Nudo' collection, a beautiful citrine quartz measuring approximately 10mm x 10mm and weighs approximately 5.00 carat mounted in 18 carat rose gold. The ri...
Category

21st Century and Contemporary Modern Fashion Rings

Materials

Citrine, Quartz, 18k Gold, Rose Gold

Pomellato Nudo Collection Lemon Quartz 18 Carat Rose Gold Ring
By Pomellato
Located in London, GB
From the classic Pomellato 'Nudo' collection, a beautiful lemon quartz measuring approximately 10mm x 10mm and weighs approximately 5.00 carat mounted in 18 carat rose gold. The ring...
Category

21st Century and Contemporary Modern Fashion Rings

Materials

Quartz, 18k Gold, Rose Gold

Pomellato Nudo Collection Rose Quartz 18 Carat Rose Gold Ring
By Pomellato
Located in London, GB
From the classic Pomellato 'Nudo' collection, a beautiful Rose quartz measuring approximately 10mm x 10mm and weighs approximately 5.00 carat mounted in 18 carat rose gold. The ring ...
Category

21st Century and Contemporary Modern Fashion Rings

Materials

Quartz, 18k Gold, Rose Gold

Questions about 18K Gold Cushion Cut Quartz Rings
Prices for most 18k gold cushion cut quartz rings on 1stdibs are negotiable. You’ll see a "Make an Offer" button on the item details page, indicating that the seller is willing to consider a lower price. It’s not uncommon for customers to get 15–25% off the list price after negotiating. See our tips for negotiating like a pro.
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