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Cabochon Ruby 12 Carat

13 Carats Ruby Oval Cabochon 14kt Gold 12 Full Cut Round Diamonds Cocktail Ring
By Tutti Frutti Jewellery
Located in Bangkok, TH
13 Carats Natural Ruby oval cabochon ( 11 mm. x 15 mm.) set with 3,7 grams of 14 kt white gold, 12
Category

2010s Thai Contemporary Cocktail Rings

Materials

Diamond, Ruby, Gold, 14k Gold

17 Carat Ruby Oval Cabochon 14 Kt Gold 12 Full Cut Round Diamonds Cocktail Ring
By Tutti Frutti Jewellery
Located in Bangkok, TH
Unusual 17 Carats Ruby oval cab ( 13,3 mm. x 11,6 mm.) set with 3,7 grams of 14 kt white gold, 12
Category

1990s Thai Contemporary Cocktail Rings

Materials

Diamond, Ruby, Gold, 14k Gold

12 Carat Certified Natural Burma No Heat Ruby Diamond Platinum Three-Stone Ring
Located in New York, NY
A beautiful no heat, natural oval shape ruby cabochon weighing over twelve carats, accented with
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, Ruby, Platinum

Bochic “Capri” Natural Ruby & White Topaz Cocktail Ring Set 18K Gold & Silver
By Bochic
Located in New York, NY
Bochic “Capri” Natural Red Ruby & White Topaz Ring Set in 18K Gold & Silver Natural Ruby Cabochon
Category

21st Century and Contemporary Thai Baroque Cocktail Rings

Materials

Ruby, Topaz, 18k Gold, Gold Plate, Silver

Bochic “Orient” Red Ruby & Multi Color Sapphires Ring Set In 18K Gold & Silver
By Bochic
Located in New York, NY
Cabochon - 12 Carat Multi color natural sapphires and Mix Gems 2 carats This Ring is from the "Orient
Category

21st Century and Contemporary Thai Baroque Cocktail Rings

Materials

Ruby, Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, 18k Gold...

Bochic “Capri” Natural Red Ruby & Rose Sapphire Ring Set in 18K Gold & Silver
By Bochic
Located in New York, NY
Cabochon - 12 Carats Natural Multi color Sapphires from Sri Lanka , round brilliant shapes - 4 carats
Category

21st Century and Contemporary Thai Baroque Cocktail Rings

Materials

South Sea Pearl, Ruby, Sapphire, 18k Gold, Gold Plate, Silver

Recent Sales

18kt gold and gem-set fish brooch by Aldo Cipullo for Cartier
By Aldo Cipullo for Cartier
Located in London, GB
17 carats, 12 oval faceted rubies weighing approximately 7.5 carats, 7 oval faceted sapphires
Category

Vintage 1970s Brooches

Materials

Diamond, Emerald, Multi-gemstone, Ruby, Sapphire, 18k Gold

12CTW Cabochon Ruby 18 Karat Yellow Gold Hinged Vintage Bangle Bracelet
Located in Boca Raton, FL
Vintage ruby bangle bracelet handcrafted in 18 karat yellow gold. The 12 bezel set cabochon natural
Category

Late 20th Century Modern Bangles

Materials

Ruby, 18k Gold, Yellow Gold

GIA Certified 18 Karat Pave Diamond and Cabochon Ruby Dome Cocktail Ring
Located in Baltimore, MD
: Approx. 4 CTW round brilliant cut diamonds G VS Ruby: Cabochon approx. 12 carats Ring size: 7 (US) Band
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Ruby, 18k Gold

Seaman Schepps Ruby Cabochon Earrings with Three Pearls and Diamonds Pierced 18K
By Seaman Schepps
Located in North Hollywood, CA
sold fast. Metal: 18k yellow gold Weight: 14.9 grams Stones: 6 large ruby cabochons approx. 12 carats
Category

Vintage 1980s American Retro Clip-on Earrings

Mauboussin Retro Ruby and Diamond Yellow Gold Clip Brooch
By Trabert & Hoeffer Mauboussin
Located in New York, NY
carats of diamonds and 18 cabochon rubies totaling 12 carats. Weighs 25.20 grams
Category

Vintage 1940s Retro Brooches

Materials

Diamond, Ruby, Yellow Gold

Bochic “Capri” Red Hot Ruby & White Topaz Ring Set in 18K Gold & Silver
By Bochic
Located in New York, NY
- 14 carats Natural Cabochon Ruby - 12 Carats This Ring is from the "Capri" traveling collection and
Category

21st Century and Contemporary Thai Baroque Cocktail Rings

Materials

Ruby, Topaz, 18k Gold, Gold Plate, Silver

Seaman Schepps, 12 Carat Oval Cabochon Ruby, Gem-Set and Diamond Clip-Brooch
By Seaman Schepps
Located in New York, NY
3 oval & round cabochon sapphires & one oval cabochon ruby ap. 12.00 cts., 7 round sapphires ap
Category

Vintage 1940s Brooches

Materials

Diamond, Ruby, Gold

17 Carat Ruby Oval Cabochon 14 Kt Gold 12 Full Cut Round Diamonds Cocktail Ring
By Tutti Frutti Jewellery
Located in Bangkok, TH
Unusual 17 Carats Ruby oval cab ( 13,3 mm. x 11,6 mm.) set with 3,7 grams of 14 kt white gold, 12
Category

1990s Thai Contemporary Cocktail Rings

Materials

Diamond, Ruby, Gold, 14k Gold

Seaman Schepps Ruby Cabochon Earrings with Three Pearls and Diamonds Pierced 18K
By Seaman Schepps
Located in North Hollywood, CA
sold fast. Metal: 18k yellow gold Weight: 14.9 grams Stones: 6 large ruby cabochons approx. 12 carats
Category

Vintage 1980s American Retro Clip-on Earrings

Emerald Ruby and Diamond 18 Karat White Gold Bracelet
Located in Bangkok, TH
Cut Emerald 50 pcs. 3.35 Carat. Small Cabochon Ruby 12 pcs. 0.8 Carat and 636 pcs. round cut Diamond
Category

Late 20th Century Thai Art Deco More Bracelets

Materials

Diamond, Emerald, Ruby, 18k Gold, White Gold

Bochic “Capri” Natural Blue Sapphire & Ruby Bracelet Set In 18K Gold & Silver
By Bochic
Located in New York, NY
Bochic “Capri” Multi Sapphire & Ruby Bracelet Set In 18K Gold & Silver Natural Ruby cabochons 12
Category

21st Century and Contemporary Thai Art Deco Link Bracelets

Materials

Ruby, Sapphire, Blue Sapphire, 18k Gold, Silver

Bochic “Capri” Natural Ruby, Sapphires & Opal Ring Set in 18K Gold & Silver
By Bochic
Located in New York, NY
Bochic “Capri” Natural Ruby, Sapphires & Opal Ring Set in 18K Gold & Silver Natural Ruby Cabochon
Category

21st Century and Contemporary Thai Baroque Drop Earrings

Materials

Opal, Ruby, Sapphire, Blue Sapphire, Yellow Sapphire, Green Sapphire, 18...

Bochic “Capri” Necklace, Gems & South Sea Pearls Set in 22 Gold & Silver
By Bochic
Located in New York, NY
Bochic “Capri” Necklace & South Sea Pearls set in 22 Gold & Silver Natural Red Ruby Cabochon - 12
Category

21st Century and Contemporary Thai Belle Époque Rope Necklaces

Materials

Amethyst, Aquamarine, South Sea Pearl, Ruby, Topaz, Blue Topaz, Gold, 22...

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AJD Extraordinarily Rare Clear 14.16Ct PinkyPurple Sparkling Kunzite Silver Ring
By Aria Jewelry Design
Located in Raleigh, NC
Deep Intense Pink sparkling natural 14.16Kt Brasilian Kunzite (17.1mm x 12.8 mm) set in a lovely sterling silver ring size 7 sizable. The quality of this lovely Kunzite can be see...
Category

21st Century and Contemporary American Cocktail Rings

Materials

Kunzite, Sterling Silver, Silver

2.28 carats, Ceylon Blue Sapphires & Rose Cut Diamonds Cluster Cocktail Ring
By JEWEL HUB
Located in Hong Kong, HK
A very gorgeous and beautiful, Blue Sapphire & Diamonds Cocktail Ring set in 18K White Gold & Diamonds. The weight of the Blue Sapphires is 2.28 carats. The Blue Sapphires are of Cey...
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21st Century and Contemporary Indian Modern Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold

3.50 Carats Impressive Natural Turquoise and Diamond 14K White Gold Ring
Located in Los Angeles, CA
3.50 Carats Impressive Natural Turquoise and Diamond 14K White Gold Ring Suggested Replacement Value $7,400.00 Total Natural Oval Turquoise Weight is: Approx. 2.20 Carats Turquois...
Category

2010s American Cocktail Rings

Materials

Diamond, Turquoise, 14k Gold, White Gold

Bochic “Capri” Ruby, Amethyst & Sapphire Cocktail Ring Set In 18K Gold & Silver
By Bochic
Located in New York, NY
Bochic “Capri” Ruby, Amethyst & Sapphire Cocktail Ring Set In 18K Gold & Silver Natural Ruby Cabochon - 7.00 carats Natural Amethyst - 3.00 carats Natural Round Brilliant Orange...
Category

21st Century and Contemporary Thai Baroque Cocktail Rings

Materials

Amethyst, Ruby, Sapphire, Topaz, 18k Gold, Gold Plate, Silver

Oval Ruby Cabochons Yellow Gold Bezel Carved Amethyst Round Drops Stud Earrings
By Tutti Frutti Jewellery
Located in Bangkok, TH
In these simple chic and handmade stud earrings we have a pair of Oval Ruby cabochons size 10 x 12 mm set in 14 kt solid yellow gold bezel on the top and 2 Natural Amethyst carved r...
Category

2010s Thai Contemporary Stud Earrings

Materials

Amethyst, Ruby, 14k Gold, Yellow Gold

Art Deco Style Natural Green Onyx Cab Gold Diamonds Black Enamel Cocktail Ring
By Tutti Frutti Jewellery
Located in Bangkok, TH
21 Carat Natural Green Onyx oval cab ( 16,7 mm. x 14 mm.) ,12 round full cut diamonds of 0,05 ct. each,for total diamonds weight of 0,6 carat.4.7 grams of 14 kt. white gold,black ena...
Category

1990s Thai Art Deco Cocktail Rings

Materials

Diamond, Onyx, Gold, 14k Gold, White Gold, Enamel

Bochic “Capri” Multi Natural Gem Ring Set in 22k Gold & Silver
Located in New York, NY
Bochic “Capri” Multi Natural ring Natural Ruby, Colors - Red, Pink, 15 Carats Natural Tanzanite, Colors - Purpule, 8 Carats Natural White Topaz, Colors - White , 5 Carats Set in ...
Category

21st Century and Contemporary Thai Belle Époque Cocktail Rings

Materials

Ruby, Tanzanite, Topaz, 22k Gold, Gold Plate, Silver

Luxury Cocktail Rings, Lemon Quartz and Ruby Stone Ring, 925 Silver Rose Plated
Located in Hartman, AR
Art Deco Ring, Lemon Quartz and Pink Topaz Stone Ring 925 Silver Gold Plated This ring was made with quality materials and excellent handwork. I guarantee the quality assurance of m...
Category

2010s Turkish Art Deco Cocktail Rings

Materials

Quartz, Ruby, Topaz, 14k Gold, Rose Gold, Silver

Coral Diamonds Onyx 18 Karat Yellow Gold Cocktail Ring
By SCALA GIOIELLI
Located in Marcianise, IT
This exquisite ring embodies a luxurious fusion of exquisite design and craftsmanship, masterfully crafted in 18 karat white and yellow gold. It stands as a stunning example of how p...
Category

21st Century and Contemporary Italian Artisan Cocktail Rings

Materials

Onyx, Diamond, Coral, Yellow Gold, White Gold, 18k Gold

An Important Giuliano Renaissance-Revival Brooch
By Giuliano
Located in London, GB
An important Giuliano Renaissance-Revival gold and enamel gem-set brooch, the brooch decorated with the figure of Venus enamelled en ronde bosse, holding up a diamond-set mirror and ...
Category

Antique Late 19th Century British Victorian Brooches

Materials

Diamond, Natural Pearl, Ruby, Yellow Gold, 18k Gold

GIA Certified 40 Carat Emerald Cut Diamond Riviera Necklace
By Antinori Fine Jewels
Located in Chicago, IL
40 Carats Emerald Cut Diamond Riviera Necklace This necklace has a total of 120 GIA certified diamonds. Clarity range VS-SI1, Color range I-H
Category

2010s Italian Modern Chain Necklaces

Materials

Diamond, White Diamond, Emerald, 18k Gold, White Gold

Art Nouveau Diamond Ruby Emerald Blue Sapphire White Gold Plate Flowers Bracelet
By Luigi Ferrara
Located in Naples, IT
For any problems related to some materials contained in the items that do not allow shipping, please contact the seller with a private message to solve the problem. We can ship every...
Category

Late 20th Century Italian Art Nouveau Retro Bracelets

Materials

Agate, Amethyst, Carnelian, Citrine, Diamond, White Diamond, Emerald, Ga...

Egyptian Revival Pharaoh Diamond Pearl Ruby Enamel Gold Brooch by Carlo Giuliano
By Carlo Giuliano
Located in London, GB
Highly Important Egyptian Revival Pharaoh Portrait Brooch by Carlo Giuliano recognized to be arguably the most significant 19th century Egyptian Revival jewel. An important Egypti...
Category

Antique Late 19th Century British Victorian Brooches

Materials

Diamond, Natural Pearl, Ruby, Yellow Gold

6.35Ct Blue Sapphire and Natural Diamond 14K White Gold Ring
Located in Los Angeles, CA
6.35 Carats Lab Ceylon Blue Sapphire and Natural Diamond 14K Solid White Gold Ring Suggested Replacement Value $4,000.00 Metal: 14K Solid White Gold (Stamped) Total Lab Created Bl...
Category

2010s American Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, 14k Gold, White Gold

GIA Certified 10.01 Carats Radiant Cut Diamond Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
A spectacular three-stone engagement ring, featuring a 10.01 carats radiant cut diamond certified by GIA as I color and VVS2 clarity, set on a four tab prong setting. Accented by two...
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21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

14 Karat Gold Taper Baguette Rainbow Gemstone Diamond Ethiopian Opal Deco Ring
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
14 karat gold taper baguette rainbow multicolor gemstone diamond natural Ethiopian opal deco ring. Our 14K Gold Rainbow Ferris Wheel Diamond Ring is a charming symbol of joy and sop...
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21st Century and Contemporary Indian Contemporary Cocktail Rings

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Diamond, Opal, Amethyst, Citrine, Blue Topaz, Rhodolite, Gold, 14k Gold

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Cabochon Ruby 12 Carat For Sale on 1stDibs

Find the exact cabochon ruby 12 carat you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and Platinum. Find an antique version now, or shop for 6 vintage or 7 modern creation for a more contemporary example of these cherished accessories. If you’re looking for a cabochon ruby 12 carat from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 20th Century while another version may have been produced as recently as the 21st Century. Creating a cabochon ruby 12 carat has been a part of the legacy of many jewelers, but those produced by Tutti Frutti Jewellery, Andreoli and Exquisite Color Kraft Pvt Ltd are consistently popular. Today, if you’re looking for a cabochon version of this piece and are unable to find the perfect match, our selection also includes oval cut alternatives. Most of our cabochon ruby 12 carat for sale are for women, but there are 6 pieces available to browse for men.

How Much is a Cabochon Ruby 12 Carat?

The price for a cabochon ruby 12 carat starts at $1,300 and tops out at $85,000 with these rings, on average, selling for $7,750.

Why Gold Shines in Jewelry Craftsmanship

Gold is the feel-good metal, the serotonin of jewelry. Wear vintage and antique gold necklaces, watches, gold bracelets or gold rings and you feel happy, you feel dressed, you feel, well, yourself. 

Gold, especially yellow gold, with its rich patina and ancient pedigree going back thousands of years, is the steady standby, the well-mannered metal of choice. Any discussion of this lustrous metal comes down to a basic truth: Gold is elementary, my dear. Gold jewelry that couples the mystique of the metal with superb design and craftsmanship achieves the status of an enduring classic. Many luxury houses have given us some of our most treasured and lasting examples of gold jewelry over the years.

Since its founding, in 1837, Tiffany & Co. has built its reputation on its company jewelry as well as its coterie of boutique designers, which has included Jean Schlumberger, Donald Claflin, Angela Cummings and Elsa Peretti. There are numerous gold Tiffany classics worth citing. Some are accented with gemstones, but all stand out for their design and the workmanship displayed.

For the woman who prefers a minimalist look, the Tiffany & Co. twist bangle (thin, slightly ovoid) is stylishly simple. For Cummings devotees, signature pieces feature hard stone inlay, such as her pairs of gold ear clips inlaid with black jade (a play on the classic Chanel black and tan), or bangles whose design recalls ocean waves, with undulating lines of lapis lazuli and mother-of-pearl. And just about any design by the great Jean Schlumberger is by definition a classic.

Even had he eschewed stones and diamonds, Southern-born David Webb would be hailed for the vast arsenal of heavy gold jewelry he designed. Gold, usually hammered or textured in some manner, defines great David Webb jewelry. The self-taught jeweler made very au courant pieces while drawing inspiration from ancient and out-of-the-way sources — East meets West in the commanding gold necklaces made by Webb in the early 1970s. The same could be said for his endlessly varied gold cuffs.

In Europe, many houses have given us gold jewelry that sets the highest standard for excellence, pieces that were highly sought after when they were made and continue to be so. 

Numerous designs from Cartier are homages to gold. There are the classic Trinity rings, necklaces and bracelets — trifectas of yellow, white and rose gold. As a testament to the power of love, consider the endurance of the Cartier Love bracelet.

Aldo Cipullo, Cartier’s top in-house designer from the late 1960s into the early ’70s, made history in 1969 with the Love bracelet. Cipullo frequently said that the Love bracelet was born of a sleepless night contemplating a love affair gone wrong and his realization that “the only remnants he possessed of the romance were memories.” He distilled the urge to keep a loved one close into a slim 18-karat gold bangle. 

BVLGARI and its coin jewelry, gemme nummarie, hit the jackpot when the line launched in the 1960s. The line has been perennially popular. BVLGARI coin jewelry features ancient Greek and Roman coins embedded in striking gold mounts, usually hung on thick link necklaces of varying lengths. In the 1970s, BVLGARI introduced the Tubogas line, most often made in yellow gold. The Tubogas watches are classics, and then there is the Serpenti, the house's outstanding snake-themed watches and bracelets.

A collection called Monete that incorporated the gold coins is one of several iconic BVLGARI lines that debuted in the 1970s and ’80s, catering to a new generation of empowered women. Just as designers like Halston and Yves Saint Laurent were popularizing fuss-free ready-to-wear fashion for women on the go, BVLGARI offered jewels to be lived in

Since Van Cleef & Arpels opened its Place Vendôme doors in 1906, collection after collection of jewelry classics have enchanted the public. As predominantly expressed in a honeycomb of gold, there is the Ludo watch and accessories, circa the 1920s, and the golden Zip necklace, 1951, whose ingenious transformation of the traditional zipper was originally proposed by the Duchess of Windsor. Van Cleef's Alhambra, with its Moroccan motif, was introduced in 1968 and from the start its popularity pivoted on royalty and celebrity status. It remains one of VCA’s most popular and collected styles.

Mention must be made of Buccellati, whose name is synonymous with gold so finely spun that it suggests tapestry. The house’s many gold bracelets, typically embellished with a few or many diamonds, signified taste and distinction and are always in favor on the secondary market. Other important mid-20th-century houses known for their gold-themed jewelry include Hermès and Ilias Lalaounis.

Find a stunning collection of vintage and antique gold jewelry on 1stDibs.

The Legacy of Ruby in Jewelry Design

This deep red gem is the color of heat and passion — vintage and antique ruby jewelry is perfect for those born in the middle of summer.

Rubies are one of the few gemstones that can give diamonds a run for their money. Just consider the Van Cleef & Arpels “scarf” necklace the Duke of Windsor presented to the Duchess on her 40th birthday, in 1936 — set with diamonds and dripping with rubies, a testament to the deep-red gemstone’s power — or the slippers encrusted with 4,600 rubies that Harry Winston made to commemorate The Wizard of Oz’s golden anniversary. July babies have permission to adorn themselves with this beautiful red stone even when it’s not their birthday.

Rubies are considered precious stones — along with diamonds, sapphires and emeralds — and have a hardness of 9.0 on the Mohs Scale, surpassed only by Moissanite and diamonds. They are composed of corundum, a colorless mineral that is also the basic material of sapphires. In the July birthstone, the red of the gemstone — and the various hues seen in sapphires — are produced by the presence of trace elements. In the case of a ruby, this element is chromium. Rubies range in color from vermilion to a violet red. They are also pleochroic, which means that a stone’s hue can vary depending on the direction of viewing. The most sought-after color is pigeon’s blood: pure red with a hint of blue.

Rubies that are hosted in dolomite marble are the most prized: Because the marble is low in iron, so are the rubies, resulting in a more intense color. Rubies found in basalt, which has a higher iron content, are generally darker and less intense.

When shopping for antique and vintage ruby jewelry, remember that the 4Cs of selecting the perfect diamond — color, clarity, cut and carat — also apply to rubies.

According to the Gemological Institute of America, the color of the July birthstone should be a vibrant to slightly purplish red, and the stone should be clear and inclusion-free. Accordingly, the cut should show off its color and clarity. As for the last criterion, fine rubies more than a carat in weight are rare. Often, large rubies are more expensive than diamonds of comparable weights.

Find a collection of ruby necklaces, ruby rings and other accessories on 1stDibs.