Skip to main content

12 Carat Tanzanite

11.97-Carat Violet-Blue Tanzanite and Diamond Cocktail Ring in 18K Yellow Gold
11.97-Carat Violet-Blue Tanzanite and Diamond Cocktail Ring in 18K Yellow Gold

11.97-Carat Violet-Blue Tanzanite and Diamond Cocktail Ring in 18K Yellow Gold

By Nancy Phillips

Located in Eugene, OR

One of a kind, this ring was only created once. This breathtaking, nearly 12-carat Tanzanite ring

Category

2010s Tanzanian Art Nouveau Cocktail Rings

Materials

Diamond, Tanzanite, Yellow Gold, 18k Gold

Tanzanite Bracelet 12 Carats Rhodium Plated Silver
Tanzanite Bracelet 12 Carats Rhodium Plated Silver

Tanzanite Bracelet 12 Carats Rhodium Plated Silver

Located in Bonita Springs, FL

It comes with the Gemological Appraisal by GIA GG/AJP All gemstones are natural 86 Tanzanites

Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

Tanzanite, Rhodium, Silver, Silver Plate, Sterling Silver

Tanzanite Bracelet 12 Carats Rhodium Plated Silver
Tanzanite Bracelet 12 Carats Rhodium Plated Silver

Tanzanite Bracelet 12 Carats Rhodium Plated Silver

Located in Bonita Springs, FL

It comes with the Gemological Appraisal by GIA GG/AJP All gemstones are natural 86 Tanzanites

Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

Tanzanite, Rhodium, Silver, Silver Plate, Sterling Silver

Tanzanite Bracelet 12 Carats Rhodium Plated Silver
Tanzanite Bracelet 12 Carats Rhodium Plated Silver

Tanzanite Bracelet 12 Carats Rhodium Plated Silver

Located in Bonita Springs, FL

It comes with the Gemological Appraisal by GIA GG/AJP All gemstones are natural 86 Tanzanites

Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

Tanzanite, Rhodium, Silver, Silver Plate, Sterling Silver

Tanzanite, Emerald and Diamond Stud Earrings
Tanzanite, Emerald and Diamond Stud Earrings

Tanzanite, Emerald and Diamond Stud Earrings

$1,320Sale Price|40% Off

W 1 in L 1 in

Tanzanite, Emerald and Diamond Stud Earrings

Located in Nantucket, MA

ears. Carat weight of tanzanites total 12 carats, the emerald is 4 carats and the diamonds total 1.2

Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, Emerald, Tanzanite, 18k Gold, Sterling Silver

Recent Sales

12 Carat Tanzanite Ring 18 Karat White Gold
12 Carat Tanzanite Ring 18 Karat White Gold

12 Carat Tanzanite Ring 18 Karat White Gold

Located in Barnsley, GB

12 Carat Tanzanite Ring 18 Karat White Gold Tanzanite Diamond Ring 12CT 18K White Gold With 92

Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

14, 12 Carat Tanzanite 4, 12 Carat Diamond 18 Karat Rose Gold Heritage Ring
14, 12 Carat Tanzanite 4, 12 Carat Diamond 18 Karat Rose Gold Heritage Ring

14, 12 Carat Tanzanite 4, 12 Carat Diamond 18 Karat Rose Gold Heritage Ring

By Gilan

Located in Istanbul, TR

"""With the ‘Palace Heritage’ collection, Gilan pays homage to the Topkaki Palace though the three incarnations of Byzantium, Constantinople and Istanbul, and celebrates its status a...

Category

21st Century and Contemporary Turkish Modern Fashion Rings

Materials

Diamond, Tanzanite, 18k Gold, Yellow Gold

Tanzanite and 12 Carat Diamond Bracelet in 18K Gold, circa 1970
Tanzanite and 12 Carat Diamond Bracelet in 18K Gold, circa 1970

Tanzanite and 12 Carat Diamond Bracelet in 18K Gold, circa 1970

Located in Goettingen, DE

Tanzanite and 12 Carat Diamond Bracelet in 18K Gold, circa 1970 Very distinctive, floral bracelet

Category

Vintage 1970s Link Bracelets

Materials

Diamond, Tanzanite, 18k Gold, Yellow Gold

Tanzanite Gold Rope Ring
Tanzanite Gold Rope Ring

Tanzanite Gold Rope Ring

By Lori Kaplan Jewelry

Located in New York, NY

An 18K gold rope band supports this 12 carat Rose-cut Tanzanite. A simple statement and one of a

Category

2010s American Cocktail Rings

Materials

Tanzanite, 18k Gold, Gold

12 Carat Tanzanite Diamond White Gold Estate Ring
12 Carat Tanzanite Diamond White Gold Estate Ring

12 Carat Tanzanite Diamond White Gold Estate Ring

Located in Boca Raton, FL

This lively 12 carat tanzanite gemstone is cushion cut and surrounded by 1.50 carat total weight of

Category

Late 20th Century Unknown Modern Cocktail Rings

Materials

White Diamond, Tanzanite, 14k Gold, White Gold

6. 12 Carat Tanzanite Diamond Cocktail Ring
6. 12 Carat Tanzanite Diamond Cocktail Ring

6. 12 Carat Tanzanite Diamond Cocktail Ring

By Mehnaz Durrani

Located in Richmond, BC

Stunning tanzanite diamond cocktail ring. Violet-blue, high luster, pear faceted, 6.12 carats

Category

21st Century and Contemporary Canadian Contemporary Cocktail Rings

Materials

Diamond, Tanzanite, 14k Gold

12 Carat Tanzanite Cabochon and Diamond Drop Necklace in Yellow and White Gold
12 Carat Tanzanite Cabochon and Diamond Drop Necklace in Yellow and White Gold

12 Carat Tanzanite Cabochon and Diamond Drop Necklace in Yellow and White Gold

By Sarosi By Timeless Gems

Located in Los Angeles, CA

This pendant features a beautiful 12.56 carat tanzanite cabochon with the rich, lavendar-blue color

Category

21st Century and Contemporary American Artisan Drop Necklaces

Materials

White Diamond, Tanzanite, Diamond, 18k Gold, Gold, White Gold, Yellow Gold

12 Ct Natural Trillion Tanzanite & 0.50 Ct Diamond Tennis Bracelet 14 KW Gold
12 Ct Natural Trillion Tanzanite & 0.50 Ct Diamond Tennis Bracelet 14 KW Gold

12 Ct Natural Trillion Tanzanite & 0.50 Ct Diamond Tennis Bracelet 14 KW Gold

Located in New York, NY

trillion tanzanites weighing approximately 12 carats, it exudes elegance. Complementing the tanzanites are

Category

2010s Tennis Bracelets

Materials

Diamond, Tanzanite, 14k Gold, White Gold

Cushion Shape Tanzanite and Diamond Yellow Gold Cocktail Ring 4.62 Carat
Cushion Shape Tanzanite and Diamond Yellow Gold Cocktail Ring 4.62 Carat

Cushion Shape Tanzanite and Diamond Yellow Gold Cocktail Ring 4.62 Carat

By Harbor Diamonds

Located in New York, NY

12 X 9 Tanzanite 4.62 carats 18K Yellow Gold diamonds 0.71 cts.

Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, Tanzanite, 18k Gold, Yellow Gold

10Y Opal & Tanzanite Halo Ring
10Y Opal & Tanzanite Halo Ring

10Y Opal & Tanzanite Halo Ring

Located in McLeansville, NC

- approximately 1.15 carats - tanzanites, 12 stones - round cut - 2.75 mm - approximately 1.20 total carats

Category

Vintage 1980s Cluster Rings

Materials

Opal, Tanzanite, Gold, 10k Gold, Yellow Gold

62.89 Carats Tanzanite and White Diamond White Gold Bracelet
62.89 Carats Tanzanite and White Diamond White Gold Bracelet

62.89 Carats Tanzanite and White Diamond White Gold Bracelet

By Shimon's Creations

Located in New York, NY

12 Tanzanite Gemstones: 61.99 Carats 11 White Diamonds: 0.9 Carat Metal: 18K White Gold, 15.20

Category

2010s Link Bracelets

Materials

Diamond, White Diamond, Tanzanite, Gold, 18k Gold, White Gold

Cushion Shape Tanzanite and Diamond Yellow Gold Cocktail Ring 4.62 Carat
Cushion Shape Tanzanite and Diamond Yellow Gold Cocktail Ring 4.62 Carat

Cushion Shape Tanzanite and Diamond Yellow Gold Cocktail Ring 4.62 Carat

By Harbor Diamonds

Located in New York, NY

12 X 9 Tanzanite 4.62 carats 18K Yellow Gold diamonds 0.71 cts.

Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, Tanzanite, 18k Gold

5.10 Carat Tanzanite and Diamond 18 Karat White Gold Pendant Necklace
5.10 Carat Tanzanite and Diamond 18 Karat White Gold Pendant Necklace

5.10 Carat Tanzanite and Diamond 18 Karat White Gold Pendant Necklace

Located in New York, NY

Shape 5.10 Carat Tanzanite, a Baguette Diamond 0.23 Carat GH- VS quality and 5 Round Diamonds 0.28 Carat

Category

20th Century Chinese Modern Drop Necklaces

Materials

Diamond, Tanzanite, Gold, 18k Gold, White Gold

Natural Multi Stone 12 Carat Tennis Bracelet Set in Silver
Natural Multi Stone 12 Carat Tennis Bracelet Set in Silver

Natural Multi Stone 12 Carat Tennis Bracelet Set in Silver

Located in Bonita Springs, FL

It comes with the appraisal by GIA GG/AJP Natural Stones: Amethyst, Peridot, Citrine, Tanzanite

Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

Amethyst, Citrine, Garnet, Opal, Peridot, Tanzanite, Rhodolite, Apatite,...

Natural Multi Stone 12 Carat Rainbow Tennis Bracelet Set In Silver
Natural Multi Stone 12 Carat Rainbow Tennis Bracelet Set In Silver

Natural Multi Stone 12 Carat Rainbow Tennis Bracelet Set In Silver

Located in Bonita Springs, FL

It comes with the appraisal by GIA GG/AJP Natural Stones: Amethyst, Peridot, Citrine, Tanzanite

Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

Amethyst, Citrine, Garnet, Opal, Peridot, Tanzanite, Rhodolite, Apatite,...

Natural Multi Stone 12 Carat Rainbow Tennis Bracelet Set in Silver
Natural Multi Stone 12 Carat Rainbow Tennis Bracelet Set in Silver

Natural Multi Stone 12 Carat Rainbow Tennis Bracelet Set in Silver

Located in Bonita Springs, FL

It comes with the appraisal by GIA GG/AJP Natural Stones: Amethyst, Peridot, Citrine, Tanzanite

Category

21st Century and Contemporary Contemporary Tennis Bracelets

Materials

Amethyst, Citrine, Garnet, Opal, Peridot, Tanzanite, Rhodolite, Apatite,...

Bochic “Orient” Royal Blue Sapphire & Lilac Tanzanite Vintage Cluster Ring Set
Bochic “Orient” Royal Blue Sapphire & Lilac Tanzanite Vintage Cluster Ring Set

Bochic “Orient” Royal Blue Sapphire & Lilac Tanzanite Vintage Cluster Ring Set

By Bochic

Located in New York, NY

Sapphire Cabochon - 12 Carat Lilac Tanzanite - 3 Carats This Ring is from the "Orient" traveling

Category

21st Century and Contemporary Thai Art Deco Cocktail Rings

Materials

Blue Sapphire, Tanzanite, 18k Gold, Gold Plate, Silver

Bochic “Capri” Ruby & Sapphire Brooch/Pendent Set In 18K Gold &Silver
Bochic “Capri” Ruby & Sapphire Brooch/Pendent Set In 18K Gold &Silver

Bochic “Capri” Ruby & Sapphire Brooch/Pendent Set In 18K Gold &Silver

By Bochic

Located in New York, NY

shapes - 63 Carats Natural Blue Sapphires, Oval brilliant shapes - 12 Carats White Topaz - 4 Carat

Category

21st Century and Contemporary Thai Baroque Brooches

Materials

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

12 Carat Tanzanite Diamond Gold Cocktail Ring
12 Carat Tanzanite Diamond Gold Cocktail Ring

12 Carat Tanzanite Diamond Gold Cocktail Ring

Located in Lambertville, NJ

18k white gold cocktal ring, set with approx. 12ct tanzanite, surrounded with approx. 1.90ctw in

Category

20th Century Unknown More Rings

Materials

Diamond, Tanzanite, 18k Gold

Steel/Silver Mesh Emerald, Tanzanite and Diamond Hinged Bracelet
Steel/Silver Mesh Emerald, Tanzanite and Diamond Hinged Bracelet

Steel/Silver Mesh Emerald, Tanzanite and Diamond Hinged Bracelet

Located in Dallas, TX

0.40 Carat Total Weight, 2 Pear Shape Tanzanites 0.50 Carat Total Weight, 12 Shield Cut Tanzanites

Category

Late 20th Century Unknown Cuff Bracelets

Materials

Diamond, Emerald, Tanzanite, Sterling Silver, Stainless Steel

People Also Browsed

GIA Certified 40 Carat Emerald Cut Diamond Riviera Necklace
GIA Certified 40 Carat Emerald Cut Diamond Riviera Necklace

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

Vintage Platinum, 1960s Cushion Cut Aquamarine & Calibrated Ruby Cocktail Ring
Vintage Platinum, 1960s Cushion Cut Aquamarine & Calibrated Ruby Cocktail Ring

Vintage Platinum, 1960s Cushion Cut Aquamarine & Calibrated Ruby Cocktail Ring

Located in Brighton, GB

Vintage Aquamarine Cocktail Ring Platinum Tested Circa 1960s Step into a world of elegance with this fabulous vintage cocktail ring from the 1960s. At its heart lies a mesmerisin...

Category

Mid-20th Century European Cocktail Rings

Materials

Aquamarine, Ruby, Platinum

BUCCELLATI Aquamarine Diamond Ruby 18k Yellow Gold Ring
BUCCELLATI Aquamarine Diamond Ruby 18k Yellow Gold Ring

BUCCELLATI Aquamarine Diamond Ruby 18k Yellow Gold Ring

By Gianmaria Buccellati

Located in New York, NY

This exquisite vintage Gianmaria Buccellati cocktail ring is crafted in 18k brushed and textured yellow gold with white gold accents. This ring is set with a faceted oval 7.0mm x 10....

Category

1990s Cocktail Rings

Materials

Aquamarine, Diamond, Ruby, Yellow Gold

10.5 Carat Cushion-Cut Neon Mint Tourmaline and Diamond 18K Gold Ring
10.5 Carat Cushion-Cut Neon Mint Tourmaline and Diamond 18K Gold Ring

10.5 Carat Cushion-Cut Neon Mint Tourmaline and Diamond 18K Gold Ring

Located in Beverly Hills, CA

This one-of-a-kind three-stone ring features a striking 10.5-carat cushion-cut neon mint tourmaline, set in 18K yellow gold and accented by two Cadillac-shaped white diamonds E color...

Category

21st Century and Contemporary American Contemporary Three-Stone Rings

Materials

Diamond, Tourmaline, 18k Gold, Gold, Yellow Gold

David Webb Turquoise Diamond Platinum Wrap Ring
David Webb Turquoise Diamond Platinum Wrap Ring

David Webb Turquoise Diamond Platinum Wrap Ring

By David Webb

Located in New York, NY

Gorgeous David Webb platinum wrap coil ring with two turquoise cabochons (measuring 15mm x 10mm and 20mm x 13.5mm), surrounded with a total of approx. 7.00ctw H-SI1 diamonds. Ring si...

Category

20th Century American Cocktail Rings

Materials

Diamond, Turquoise, Platinum

6.53 Carat Emerald Sapphire and Diamond Statement Cocktail Ring 14K Yellow Gold
6.53 Carat Emerald Sapphire and Diamond Statement Cocktail Ring 14K Yellow Gold

6.53 Carat Emerald Sapphire and Diamond Statement Cocktail Ring 14K Yellow Gold

By VR Jewels

Located in New York, NY

This statement ring features 6.53 Carat of vivid emerald cut emerald at the center, secured in a four prong 14k yellow gold setting. The emerald is framed by a halo of 0.31 carat rou...

Category

21st Century and Contemporary American Art Deco Cocktail Rings

Materials

Diamond, Emerald, Sapphire, Gold, 14k Gold, Yellow Gold

7.55 Carat Peach Tourmaline Emerald Cut Platinum Diamond Ring
7.55 Carat Peach Tourmaline Emerald Cut Platinum Diamond Ring

7.55 Carat Peach Tourmaline Emerald Cut Platinum Diamond Ring

By Merkaba

Located in Beverly Hills, CA

A 7.55 carat peach tourmaline emerald cut platinum diamond ring, handcrafted by Merkaba Jewelry Beverly Hills as a romantic collector jewel and meaningful alternative engagement ring...

Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, Tourmaline, White Diamond, Emerald, Platinum

Hermes Birkin 25 Bag Rose Mexico Crocodile Palladium Hardware
Hermes Birkin 25 Bag Rose Mexico Crocodile Palladium Hardware

Hermes Birkin 25 Bag Rose Mexico Crocodile Palladium Hardware

By Hermès

Located in Miami, FL

Mightychic offers an Hermès Birkin 25 in Rose Mexico crocodile is a striking fusion of rarity and elegance. Rendered in one of Hermès’ most coveted jewel-toned pinks, this bag offers...

Category

21st Century and Contemporary French Tote Bags

Michael Kneebone Amethyst Zircon Aquamarine Peridot Cluster Cocktail Ring
Michael Kneebone Amethyst Zircon Aquamarine Peridot Cluster Cocktail Ring

Michael Kneebone Amethyst Zircon Aquamarine Peridot Cluster Cocktail Ring

By Michael Kneebone

Located in Austin, TX

An amalgamation of colored gemstones come together to form this bold cluster cocktail ring. A square cut amethyst (origin: Mexico) is complimented by a pear shaped peridot (origin:...

Category

2010s American Contemporary Cluster Rings

Materials

Amethyst, Aquamarine, Peridot, Zircon, 14k Gold

Antique Ring 25ct natural Blue Sapphire solid 18K Gold Ø 4.75 US /9.6gr
Antique Ring 25ct natural Blue Sapphire solid 18K Gold Ø 4.75 US /9.6gr

Antique Ring 25ct natural Blue Sapphire solid 18K Gold Ø 4.75 US /9.6gr

Located in SE

Luxurious Antique Ring in Renaissance style, band and crown tested solid 18K Gold,not hallmarked, European, ca. XVIII - early XIX centuries. Huge cabochon of natural Light - Blue Sa...

Category

Antique Early 19th Century European Baroque Revival Solitaire Rings

Materials

Blue Sapphire, 18k Gold

Issac Nussbaum 18K GIA Certified 27 Carat Emerald Cut Diamond Ring
Issac Nussbaum 18K GIA Certified 27 Carat Emerald Cut Diamond Ring

Issac Nussbaum 18K GIA Certified 27 Carat Emerald Cut Diamond Ring

By Issac Nussbaum

Located in New York, NY

This Issac Nussbaum GIA certified 27-carat Emerald-cut diamond is a rare marvel of craftsmanship, commanding attention with its unparalleled brilliance and geometric precision. The d...

Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

French Retro 18K Yellow Gold ‘Spring’ Ring
French Retro 18K Yellow Gold ‘Spring’ Ring

French Retro 18K Yellow Gold ‘Spring’ Ring

Located in London, GB

A heavy 18 karat (18K) yellow gold ring designed as a bold, three-dimensional, coiled spring in the Retro style. Stamped with the eagle mark for 18 karat gold and French manufacture....

Category

Vintage 1940s French Retro Cocktail Rings

Materials

Gold, 18k Gold, Yellow Gold

Spectra Fine Jewelry GIA Certified 15.01 Carat Diamond Cocktail Ring
Spectra Fine Jewelry GIA Certified 15.01 Carat Diamond Cocktail Ring

Spectra Fine Jewelry GIA Certified 15.01 Carat Diamond Cocktail Ring

By Spectra Fine Jewelry

Located in New York, NY

The enchanting beauty of this diamond rivals the ever-changing patterns of a kaleidoscope. The Contemporary Oval Cut Diamond Bezel Engagement Ring, crafted in the 21st century, captu...

Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold

Get Updated with New Arrivals
Save "12 Carat Tanzanite", and we’ll notify you when there are new listings in this category.

12 Carat Tanzanite For Sale on 1stDibs

Find the exact 12 carat tanzanite you’re shopping for in the variety available on 1stDibs. Frequently made of Gold, 18k Gold and White Gold, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. Finding the perfect 12 carat tanzanite may mean sifting through those created during different time periods — you can find an early version that dates to the 20th Century and a newer variation that were made as recently as the 21st Century. As it relates to this specific piece, our collection includes designs that are universally popular, but 1.5 Carat and 2 Carat carat weights, specifically, are sought with frequency. A 12 carat tanzanite from Luigi Ferrara, Alberto and Royaal Stones Ltd — each of whom created a beautiful version of this treasured accessory — is worth considering. A 12 carat tanzanite of any era or style can lend versatility to your look, but a version featuring Tanzanite, from our inventory of 63, is particularly popular. An oval cut version of this piece has appeal, but there are also cushion cut and pear cut versions for sale. Finding a 12 carat tanzanite for sale for women should be easy, but there are 19 pieces available to browse for unisex as well as men, too.

How Much is a 12 Carat Tanzanite?

Prices for a 12 carat tanzanite can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1,135 and can go as high as $42,000, while this accessory, on average, fetches $8,784.