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12ct Emerald Ring

12ct Eternity diamond ring emerald eternity diamond ring PLATINUM
12ct Eternity diamond ring emerald eternity diamond ring PLATINUM

12ct Eternity diamond ring emerald eternity diamond ring PLATINUM

Located in Boca Raton, FL

Eternity ring made with emerald cut diamonds in platinum, size 6. Can be re-sized slightly size up and down. Ring is made with quality in mind, very sturdy every stone is set to perf...

Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Emerald, Platinum

Rubellite Ring. 12ct Emerald Cut Rubellite Tourmaline Diamond Halo Ring Platinum
Rubellite Ring. 12ct Emerald Cut Rubellite Tourmaline Diamond Halo Ring Platinum

Rubellite Ring. 12ct Emerald Cut Rubellite Tourmaline Diamond Halo Ring Platinum

Located in New York, NY

Other Details: Primary Stone: Rubellite Tourmaline Center Rubellite Weight: 12.00 carats Center Rubellite Cut: Emerald Cut Secondary Stones: Diamond Secondary Stone Weight: Approxi...

Category

21st Century and Contemporary Unknown Art Deco Engagement Rings

Materials

Tourmaline, Rubelite, Diamond, Platinum

Vintage 12 Ct Natural Carved Emerald & 1.5 Ct Diamond Ring 18 Kt Yellow Gold
Vintage 12 Ct Natural Carved Emerald & 1.5 Ct Diamond Ring 18 Kt Yellow Gold

Vintage 12 Ct Natural Carved Emerald & 1.5 Ct Diamond Ring 18 Kt Yellow Gold

Located in New York, NY

Vintage 18 Karat Yellow Gold Ring Size 6.5 featuring a single solitaire natural carved emerald approximately 12 ct with beautiful color and clarity.

Category

Early 2000s Solitaire Rings

Materials

Diamond, Emerald, 14k Gold, Yellow Gold

12ct Emerald Cut Amethyst Ring in Sterling Silver by Aria Jewelry
12ct Emerald Cut Amethyst Ring in Sterling Silver by Aria Jewelry

12ct Emerald Cut Amethyst Ring in Sterling Silver by Aria Jewelry

By Aria Jewelry Design

Located in Raleigh, NC

Captivating 12CT Emerald Cut Amethyst Ring in Sterling Silver Discover the beauty of this exciting 12CT Emerald Cut Amethyst and Sterling Silver ring, featuring a stunning 16x12MM ...

Category

21st Century and Contemporary Brazilian Artisan Cocktail Rings

Materials

Amethyst, Sterling Silver

Antique Ottoman Gold Ring — 12ct Natural Ural Emerald & Diamonds  19th century
Antique Ottoman Gold Ring — 12ct Natural Ural Emerald & Diamonds  19th century

Antique Ottoman Gold Ring — 12ct Natural Ural Emerald & Diamonds 19th century

Located in Nicosia, Cyprus

An exceptional Ottoman ring from the 19th century, produced at the height of the Ottoman Empire's tradition of fine goldsmithing. The sheer scale and quality of the central stone alo...

Category

Antique 19th Century Engagement Rings

Materials

Diamond, Emerald, 14k Gold, Enamel

Natural 12 Ct High Quality Zambian Emerald Cut Emerald Eternity Band/ Ring 14 KG
Natural 12 Ct High Quality Zambian Emerald Cut Emerald Eternity Band/ Ring 14 KG

Natural 12 Ct High Quality Zambian Emerald Cut Emerald Eternity Band/ Ring 14 KG

Located in New York, NY

Natural approximately 12 Ct High Quality Zambian Emerald Cut Emerald Eternity Band/ Ring 14 Karat yellow Gold A Masterpiece is an understatement.

Category

Early 2000s North American Band Rings

Materials

Emerald, 14k Gold

Art Deco 12ct Zambian Emerald and 2.87ct Diamond Ring in 18k Gold
Art Deco 12ct Zambian Emerald and 2.87ct Diamond Ring in 18k Gold

Art Deco 12ct Zambian Emerald and 2.87ct Diamond Ring in 18k Gold

Located in jaipur, IN

You don't have to pay any tax to release the shipment. We pay tax and shipping expenses. This stunning, designer-made Ring is crafted from 18-carat gold and features a ZAMBIAN EMERA...

Category

2010s Indian Fashion Rings

Materials

Diamond, Emerald, 18k Gold

NWT $46, 000 18KT Fancy 12CT Glittering Colombian Emerald Diamond Prism Ring
NWT $46, 000 18KT Fancy 12CT Glittering Colombian Emerald Diamond Prism Ring

NWT $46, 000 18KT Fancy 12CT Glittering Colombian Emerald Diamond Prism Ring

Located in New York, NY

The Following Item we are offering is this Rare Important Radiant 18KT Gold Gorgeous Glittering and Sparkling Magnificent Fancy Colombian Emerald and Fancy Diamond Ring. Ring Contain...

Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Emerald, Gold, 18k Gold

Rare Antique "Regard Ring" 12ct Yellow Gold English C/1868
Rare Antique "Regard Ring" 12ct Yellow Gold English C/1868

Rare Antique "Regard Ring" 12ct Yellow Gold English C/1868

Located in Carmel-by-the-Sea, CA

A fun and beautifully handmade ring fashioned in the "R.E.G.A.R.D." motif. The ring is set with ruby, emerald, garnet, amethyst, ruby, and a diamond.

Category

Antique 1860s Victorian Band Rings

Materials

Amethyst, Diamond, Emerald, Garnet, Ruby, Yellow Gold

Antique Ring natural 12ct Citrine Diamonds solid 14K Gold Ø US 7.25 / 7.5gr
Antique Ring natural 12ct Citrine Diamonds solid 14K Gold Ø US 7.25 / 7.5gr

Antique Ring natural 12ct Citrine Diamonds solid 14K Gold Ø US 7.25 / 7.5gr

Located in SE

A Citrine Ring, band with divided shoulders and crown in solid 14ct Greenish Yellow Gold featuring claw set natural Yellow - Orange Citrine stone oval cut 21 mm x 13 mm x 7.75 mm d...

Category

Vintage 1930s German Art Deco Solitaire Rings

Materials

Citrine, Diamond, 14k Gold

Platinum Sugarloaf Emerald Cabochon and Diamond Filigree Ring
Platinum Sugarloaf Emerald Cabochon and Diamond Filigree Ring

Platinum Sugarloaf Emerald Cabochon and Diamond Filigree Ring

Located in New York, NY

Details: Metal: Platinum Gemstone: Brilliant Cut Diamond .12CT Cabochon Emerald 7.63CT  Measurement: Ring Size 6.75

Category

20th Century Art Deco Cocktail Rings

Materials

Diamond, White Diamond, Emerald, Platinum

GIA Certified 12 Carat Emerald Cut Fancy Yellow Diamond Trillion side Ring
GIA Certified 12 Carat Emerald Cut Fancy Yellow Diamond Trillion side Ring

GIA Certified 12 Carat Emerald Cut Fancy Yellow Diamond Trillion side Ring

By Antinori Fine Jewels

Located in Chicago, IL

12 ct emerald Cut Diamond Halo Engagement Ring in 18K White Gold and Platinum The main diamond weighs 10.65 carats, and the side stones are approximately 0.70 carats each.

Category

2010s Italian Modern Engagement Rings

Materials

Diamond, White Diamond, Yellow Diamond, Emerald

Recent Sales

Vintage 14kt Gold, 12ct Amethyst, 1/2ct Oval Emeralds Ring, Size9
Vintage 14kt Gold, 12ct Amethyst, 1/2ct Oval Emeralds Ring, Size9

Vintage 14kt Gold, 12ct Amethyst, 1/2ct Oval Emeralds Ring, Size9

Located in New York, NY

This vintage ring features a large 12 Carat oval cut amethyst with 1/2 carat of oval cut emeralds in a 14 Karat gold setting. In excellent condition, this ring is a size 9 and measu...

Category

Late 20th Century More Rings

Antique 12ct Rose Gold, Edwardian Sapphire, Diamond & Emerald Snake Ring
Antique 12ct Rose Gold, Edwardian Sapphire, Diamond & Emerald Snake Ring

Antique 12ct Rose Gold, Edwardian Sapphire, Diamond & Emerald Snake Ring

Located in Brighton, GB

Antique Snake Ring 12ct Rose Gold This exquisite antique Edwardian snake ring showcases the delicate artistry of the era, crafted from luxurious 12ct rose gold that beautifully co...

Category

Early 20th Century English Edwardian Band Rings

Materials

Diamond, Emerald, Sapphire, Rose Gold

12ct Aquamarine Ruby Ring Platinum Sz 7.25 Cocktail Emerald Cut Fine Jewelry
12ct Aquamarine Ruby Ring Platinum Sz 7.25 Cocktail Emerald Cut Fine Jewelry

12ct Aquamarine Ruby Ring Platinum Sz 7.25 Cocktail Emerald Cut Fine Jewelry

Located in Torrance, CA

Stylish estate aquamarine & ruby cocktail ring crafted in 900 platinum. Emerald cut aquamarine measures 19mm x 12mm (estimated at 12 carats). Ruby measure approx. 2mm. Diamonds tot...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Aquamarine, Ruby, Platinum

12ct Aquamarine Ring 14k White Gold Sz 6.5 Cocktail Emerald Cut Fine Jewelry
12ct Aquamarine Ring 14k White Gold Sz 6.5 Cocktail Emerald Cut Fine Jewelry

12ct Aquamarine Ring 14k White Gold Sz 6.5 Cocktail Emerald Cut Fine Jewelry

Located in Torrance, CA

Stylish vintage aquamarine cocktail ring (circa 1960s to 1970s) crafted in 14k white gold. Emerald cut aquamarine measures 16mm x 12.5mm (estimated at 12 carats). The aquamarine is...

Category

Mid-20th Century American Modern Cocktail Rings

Materials

Aquamarine, Gold, 14k Gold, White Gold

12ct Aquamarine Diamond Ring Vintage 18k Yellow Gold Platinum Cocktail Jewelry
12ct Aquamarine Diamond Ring Vintage 18k Yellow Gold Platinum Cocktail Jewelry

12ct Aquamarine Diamond Ring Vintage 18k Yellow Gold Platinum Cocktail Jewelry

Located in Torrance, CA

Stylish vintage aquamarine & diamond cocktail ring (circa 1950s to 1960s) crafted in 18 karat yellow gold with platinum accents. Emerald cut aquamarine measures 16mm x 12mm (estima...

Category

Mid-20th Century Unknown Retro Cocktail Rings

Materials

Aquamarine, Diamond, White Diamond, 18k Gold, Yellow Gold, Platinum

12 + Carat Green Tourmaline and 0.50 Ct Diamond Cocktail Ring 18K Yellow Gold
12 + Carat Green Tourmaline and 0.50 Ct Diamond Cocktail Ring 18K Yellow Gold

12 + Carat Green Tourmaline and 0.50 Ct Diamond Cocktail Ring 18K Yellow Gold

Located in New York, NY

Approximately 12 + Carat Green Tourmaline and 0.50 Ct Diamond Cocktail Ring 18 K Yellow Gold A classic, Cocktail ring Measurements of the stone is 15X 13 which is over 12 ct Huge ...

Category

2010s Cocktail Rings

Materials

Diamond, Tourmaline, 18k Gold, Yellow Gold

12ct Aquamarine Diamond Ring Vintage 18k White Gold Fine Cocktail Jewelry
12ct Aquamarine Diamond Ring Vintage 18k White Gold Fine Cocktail Jewelry

12ct Aquamarine Diamond Ring Vintage 18k White Gold Fine Cocktail Jewelry

Located in Torrance, CA

Stylish vintage aquamarine & diamond cocktail ring (circa 1950s to 1960s) crafted in 18 karat yellow gold with platinum accents. Emerald cut aquamarine measures 16mm x 12.5mm (esti...

Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Aquamarine, Diamond, White Diamond, 18k Gold, White Gold

12 + Carat Green Tourmaline and 0.50 Ct Diamond Cocktail Ring 18K Yellow Gold
12 + Carat Green Tourmaline and 0.50 Ct Diamond Cocktail Ring 18K Yellow Gold

12 + Carat Green Tourmaline and 0.50 Ct Diamond Cocktail Ring 18K Yellow Gold

Located in New York, NY

Approximately 12 + Carat Green Tourmaline and 0.50 Ct Diamond Cocktail Ring 18 K Yellow Gold A classic, Cocktail ring Measurements of the stone is 15X 13 which is over 12 ct Huge ...

Category

2010s Cocktail Rings

Materials

Diamond, Tourmaline, 18k Gold, Yellow Gold

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2010s American Cocktail Rings

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1 Ct Natural Emerald, Oval Stone and Diamond Ring 14 Karat Yellow Gold
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9.37 Carats Diamond Eternity Band
9.37 Carats Diamond Eternity Band

9.37 Carats Diamond Eternity Band

Located in Chicago, IL

This amazing emerald cut eternity band contains 18 diamonds weighing 9.37 carats total. Mounted in platinum and beautifully crafted, this ring is perfect for a wedding band or to add...

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21st Century and Contemporary Contemporary Band Rings

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1.60 Carat Natural Emerald and Diamond 14 Karat Solid Yellow Gold Ring
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Located in Los Angeles, CA

1.60 Carats Natural Emerald and Diamond 14K Solid Yellow Gold Ring Total Natural Green Emerald Weight is: Approx. 1.30 Carats Emerald Measures: Approx. 7.00 x 5.00mm Natural Round...

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2010s American Cocktail Rings

Materials

Diamond, Emerald, 14k Gold, Yellow Gold

3.05 Carat Natural Emerald and Diamond 14 Karat Solid Yellow Gold Ring
3.05 Carat Natural Emerald and Diamond 14 Karat Solid Yellow Gold Ring

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Located in Los Angeles, CA

3.05 Carats Natural Emerald and Diamond 14K Solid Yellow Gold Ring Total Natural Green Emerald Weight is: 2.40 Carats (transparent) Emerald Measures: Approx. 10.00 x 7.00mm Natura...

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2010s American Cocktail Rings

Materials

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Emerald and Oval Cut Diamond Eternity Wedding Band in Platinum
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Located in NEW YORK, NY

A classic and timeless eternity band style showcasing a row of half emerald cut and half oval cut diamonds set in a shared prong platinum mounting. 9 emerald cut Diamonds weigh 4.66 ...

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Materials

Diamond, Platinum

14k Gold Emerald Diamond Solitaire Ring 1.40 Ct Zambian Emerald with DiamondRing
14k Gold Emerald Diamond Solitaire Ring 1.40 Ct Zambian Emerald with DiamondRing

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Located in Jaipur, IN

**Zambian Emerald Ring, Emerald and Diamond Ring, 14K Yellow Gold Emerald Statement Ring, Unique Designer Jewelry** Showcasing the timeless beauty of a vivid natural Zambian emerald...

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Materials

Diamond, Emerald, 14k Gold, Yellow Gold

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Located in New York, NY

This exquisite 14k yellow gold ring features a captivating cabochon-cut emerald. The emerald weighs 3.33 carats and displays a rich green hue. Flanking the emerald are two round-cut ...

Category

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Located in Los Angeles, CA

4.40 Carats Natural Emerald and Diamond 14K Solid Yellow Gold Ring Total Natural Green Emerald Weight is: Approx. 3.20 Carats Emerald Measures: Approx. 10.00 x 8.00mm Natural Roun...

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2010s American Cocktail Rings

Materials

Diamond, Emerald, 14k Gold, Yellow Gold

2.50 Carat Natural Emerald and Diamond 14 Karat Solid Yellow Gold Ring
2.50 Carat Natural Emerald and Diamond 14 Karat Solid Yellow Gold Ring

2.50 Carat Natural Emerald and Diamond 14 Karat Solid Yellow Gold Ring

Located in Los Angeles, CA

2.50 Carats Natural Emerald and Diamond 14K Solid Yellow Gold Ring Total Natural Oval Green Emerald Weight is: Approx. 1.90 Carats (Emerald Treatment: Oiling) Emerald Measures: 9.0...

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2010s American Cocktail Rings

Materials

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Located in San Francisco, CA

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Located in Los Angeles, CA

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2010s American Cocktail Rings

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Located in Los Angeles, CA

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2010s American Cocktail Rings

Materials

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8.20 Carat Natural Emerald and Diamond 14 Karat Solid Yellow Gold Ring
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Located in Los Angeles, CA

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12ct Emerald Ring For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 12ct emerald ring for your needs in our varied inventory. Frequently made of 18k Gold, Gold and Platinum, this item was constructed with great care. Find an antique version now, or shop for 3 vintage or 9 modern creation for a more contemporary example of these cherished accessories. Making the right choice when shopping for a 12ct emerald ring may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 20th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. As it relates to this specific piece, our collection includes designs that are universally popular, but 4.5 Carat and 5 Carat carat weights, specifically, are sought with frequency. Finding an appealing 12ct emerald ring — no matter the origin — is easy, but Aletto Brothers, Cartier and Fine Jewels UK each produced a popular version that is worth a look. Today, if you’re looking for an emerald cut version of this piece and are unable to find the perfect match, our selection also includes pear cut alternatives. When shopping for a 12ct emerald ring, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a 12ct Emerald Ring?

On average, a 12ct emerald ring at 1stDibs sells for $27,000, while they’re typically $424 on the low end and $1,300,000 for the highest priced versions of this item.

Finding the Right Rings for You

Antique and vintage rings have long held a special place in the hearts of fine jewelry lovers all over the world.

No matter their origin or specific characteristics, rings are timeless, versatile accessories. They’ve carried deep meaning since at least the Middle Ages, when diamond rings symbolized strength and other kinds of rings were worn to signify romantic feelings or to denote an affiliation with a religious order. Rings have also forever been emblematic of eternity.

Over time, rings have frequently taken the form of serpents, which have long been associated with eternal life, health and renewal. Italian luxury jewelry house Bulgari has become famous for its widely loved Serpenti motif, for example, and its Serpenti ring, like the other accessories in the collection, began as an homage to jewelry of the Roman and Hellenistic eras. The serpent is now a popular motif in fine jewelry. Jewelry devotees have long pined for rings adorned with reptiles, thanks to antique Victorian rings — well, specifically, Queen Victoria’s illustrious engagement ring, which took the form of a gold snake set with rubies, diamonds and an emerald (her birthstone). Designs for Victorian-era engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal.

Engagement rings, which are reliably intimidating to shop for, are still widely recognized as symbols of love and commitment. On 1stDibs, a range of buying guides can be found for those in the market for antique engagement rings, vintage engagement rings or Art Deco engagement rings. 

The most collectible antique engagement rings and vintage engagement rings are those from the Victorian, Edwardian and Art Deco eras. Named for the monarchies of the four King Georges, who in succession ruled England starting in 1714 (plus King William’s reign), antique Georgian rings, be they engagement rings or otherwise, are also coveted by collectors. Pearls, along with colored gemstones like garnets, rubies and sapphires, were widely used in Georgian jewelry. The late-1700s paste jewelry was a predecessor to what we now call fashion or costume jewelry. 

The Art Nouveau movement (1880–1910) brought with it rings inspired by the natural world. Antique Art Nouveau rings might feature depictions of winged insects and fauna as well as women, who were simultaneously eroticized and romanticized, frequently with long flowing hair. Art Deco jewelry, on the other hand, which originated during the 1920s and ’30s, is by and large “white jewelry.” White metals, primarily platinum, were favored over yellow gold in the design of antique Art Deco rings and other accessories as well as geometric motifs, with women drawn to the era’s dazzling cocktail rings in particular.

Whether you’re hunting down a chunky classic for a Prohibition-themed cocktail party or seeking a clean contemporary design to complement your casual ensemble, find an exquisite collection of antique, new and vintage rings on 1stDibs.