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12 Carat Round Brilliant Cut

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12 Carat Round Brilliant Cut Diamond Hoop Earrings Certified
Located in New York, NY
Diamond Hoop Earrings: Carat Weight: 11.60 Carats Shape: Round Brilliant Cut Metal: 14 Karat White
Category

2010s American Hoop Earrings

Materials

Diamond, 14k Gold, White Gold

12 Carat Round Brilliant Cut 2 Inch Diamond Hoop Earrings Certified
Located in New York, NY
2 inch Diamond Hoop Earrings: Carat Weight: 11.78 Carats 70 round, brilliant cut diamonds, 15pts
Category

2010s American Hoop Earrings

Materials

Diamond, 14k Gold, White Gold

12 Carat Round Brilliant Cut Natural Diamonds Set in a 14 Karat Gold Bracelet
Located in Houston, TX
12 Carat total weight round brilliant cut natural diamonds set in a 14K yellow gold bracelet. Box
Category

2010s American Link Bracelets

Materials

Diamond, Gold, 14k Gold

Natural Diamonds 20 Carat White Gold Tennis Bracelet
By Antinori Fine Jewels
Located in Rome, IT
An amazing and susbtancial 12 Carat round brilliant cut diamond tennis bracelet. Set in 14 carats
Category

2010s Italian Modern Tennis Bracelets

Materials

Diamond, White Diamond, White Gold

12 Carat White Brilliant Cut Tennis Diamond Bracelet
By Antinori Fine Jewels
Located in Rome, IT
Indulge in the timeless allure of our exquisite 12-carat White Gold Round Brilliant Cut Diamond
Category

2010s Italian Modern Tennis Bracelets

Materials

Diamond, White Diamond, White Gold

12 Carat Round Brilliant Diamond Hoop Earrings Certified
Located in New York, NY
Diamond Hoop Earrings For Ladies: Carat Weight: 11.61 Carats Style: Round Brilliant Cut Metal: 14
Category

2010s American Hoop Earrings

Materials

Diamond, 14k Gold, White Gold

12 Carat Round Brilliant Diamonds By The Yard Necklace Certified
Located in New York, NY
Diamond For Ladies: Carat Weight: 11.50 Carats Style: Round Brilliant Cut Chains: 14 Karat White Gold 3.80
Category

2010s American Link Necklaces

Materials

Diamond

Brilliant Cut 0.90 Carats Diamond 'GIA Cert' and 12 Diamonds Engagement Ring
Located in MELBOURNE, VIC
Hand made 18 carat White Gold Engagement Ring Claw set with one Round Brilliant Cut diamond, Weight
Category

2010s Australian Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

12 Carats Round Brilliant Diamond Engagement Ring Certified I VVS1 IGI Report
Located in New York, NY
Carats Color: G Clarity: SI1 Style: Round Brilliant Cut Right Stone: Carat Weight: 1.00 Carats Color: G
Category

2010s American Engagement Rings

Materials

Diamond, Platinum

0.30 Carat Brilliant Round Cut Diamonds Butterfly Fashion Stud Earrings
By Roman Malakov
Located in New York, NY
A simple and stylish pair of earrings featuring 12 pieces of brilliant round diamonds, weighing
Category

21st Century and Contemporary American Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Platinum GIA certified round brilliant cut diamond ring
Located in Surfside, FL
GIA certified round brilliant cut diamond 1.07 carat (I color, VS2 clarity) ring set in platinum
Category

20th Century Fashion Rings

Materials

Diamond, Platinum

0.40 Carat Round Brilliant Cut 7 Baguette Diamond White Gold Engagement Ring 7
By H & H Jewels
Located in Miami, FL
0.40 Carat Round Brilliant Cut 7 Baguette Diamond White Gold Engagement Ring This is a handmade
Category

2010s Engagement Rings

Materials

Diamond, 14k Gold, White Gold

GIA Certified 12 Carat Round Cut Diamond Platinum Stud Earrings
Located in New York, NY
clean SI2 is 100% clean to the eye. These super white faced Diamonds are brilliantly cut and set in a
Category

2010s American Stud Earrings

Materials

Diamond, Platinum

12 Carat Round Cut Diamond Engagement Ring GIA Certified E IF
Located in New York, NY
Diamond: Carat Weight: 11 Carats Color: E* Clarity: INTERNALLY FLAWLESS -IF Style: ROUND BRILLIANT
Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Baguette & Round Brilliant Cut Diamond Ballerina Halo Stud Earrings
By Antinori Fine Jewels
Located in Rome, IT
the baguette diamonds are 88 (44 per earring) Natural Round Brilliant Cut Diamonds with a total weight
Category

Early 2000s Unknown Contemporary Dangle Earrings

Materials

Diamond, White Diamond, 14k Gold

18KT Yellow Gold Natural Diamonds 1.11 Carat Brilliant Cut Eternity Ring
Located in Antwerpen, BE
worn as a symbol of eternal love or as a statement of refined elegance, this Brilliant Cut Diamond
Category

2010s European Modern Band Rings

Materials

Diamond, Yellow Gold

3.78 Carat Round Brilliant 12 Diamond 3/4 Wedding Band 14 Karat In Stock
Located in Boca Raton, FL
14k White Gold 3.78ctw Round Brilliant 12 Diamond 3/4 Wedding Band Style: Women's Round Brilliant
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Gold, 14k Gold, White Gold

1.25 CTW Round Brilliant Cut Diamond 14 Karat Yellow Gold Cluster Ring
Located in Boca Raton, FL
Diamond cluster ring fashioned in 14 karat yellow gold. The ring features 7 round brilliant cut
Category

Late 20th Century American Modern Cluster Rings

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold

GIA Certified 1.01 Carat Round Brilliant Diamond Engagement Ring
Located in Beverly Hills, CA
18k white gold engagement ring, featuring a sparkling GIA-certified 1.01ct G-SI2 round brilliant
Category

21st Century and Contemporary Unknown Contemporary Engagement Rings

Materials

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

Antique Inspired Chandelier Drop Pavé Diamond Earrings Round Brilliant Cut 1.99
Located in Los Gatos, CA
and Round Brilliant Diamonds totaling 1.99 carats. The diamonds are deemed F in Color and VS in
Category

20th Century North American Art Deco Dangle Earrings

Materials

Diamond, 18k Gold, White Gold

0.61 Carat Brilliant Cut Fancy Brown Diamond 18K White Gold Ring
Located in NEW YORK, NY
This classic Brilliant Cut Fancy Brown Diamond is 0.61 Carat. Brown Diamond as its center and is
Category

21st Century and Contemporary American Modern More Rings

Materials

Brown Diamond, Diamond, 18k Gold, White Gold

12 Carat Round & Baguette Cut Diamond Square Station Bracelet 18 Karat In Stock
Located in Boca Raton, FL
brilliant and approximately 6.8 carats of baguette cut diamonds Diamond Clarity: All diamonds are
Category

21st Century and Contemporary American Modern More Bracelets

Materials

Diamond, Gold, 18k Gold, White Gold

Sophisticated Round Brilliant Pave Diamond Ring
Located in רמת גן, IL
stunning round brilliant-cut diamond as its focal point, radiating brilliance and fire with every movement
Category

2010s Singaporean Band Rings

Materials

Diamond, 18k Gold, White Gold

3.52cts Round Brilliant-Cut and Marquise Diamond Cocktail Ring
Located in London, GB
brilliant-cut diamond weighs .57 carats and the surrounding 12 marquises have a weight of 2.95 carats
Category

2010s British Contemporary More Rings

Materials

Diamond, Platinum

8.52 Carat '70pt each' Round Brilliant Diamond Eternity Ring Band
By GEMME
Located in New York, NY
This beautiful Eternity Ring is set with 12 perfectly matched Round Brilliant Cut Diamonds, each
Category

2010s American Contemporary Band Rings

Materials

Diamond, Platinum

8.60 Carat '70pt each' Round Brilliant Diamond Eternity Ring Band
By GEMME
Located in New York, NY
This beautiful Eternity Ring is set with 12 perfectly matched Round Brilliant Cut Diamonds, each
Category

2010s American Contemporary Band Rings

Materials

Diamond, Platinum

Exquisite 1.25 Carat Round Brilliant Sapphire Earrings in 14K White Gold
Located in רמת גן, IL
treasures in your collection. 12 sapphire main stone of 1.25 carat cut: round brilliant color: Blue
Category

2010s Israeli Dangle Earrings

Materials

Sapphire, White Gold

8.47 Carat Round Brilliant Diamond Eternity Band 18 Karat In Stock
Located in Boca Raton, FL
Material: 18k White Gold Main Diamond Details: There are approximately 8.47 carats of Round Brilliant Cut
Category

21st Century and Contemporary American Modern Bridal Rings

Materials

Diamond, Gold, 18k Gold, White Gold

GIA Certified 3.50 Carat Royal Blue Sapphire Round Cut Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
. One of the most recognized design, the Round cut Center Sapphire is 3.50 ct. Certified by GIA with
Category

2010s Italian Modern Solitaire Rings

Materials

Diamond, Blue Sapphire

Harakh 1.00 Carat Rose and Brilliant Cut Natural Diamond Stud Earrings
By Harakh
Located in New York, NY
with 4 round, 4 baguette, 2 pear, 4 rose cut round, 2 rose cut marquise diamonds. All the diamonds are
Category

2010s Indian Contemporary Stud Earrings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 8.40 Carat '70pt each' Round Brilliant Diamond Eternity Ring Band
By GEMME
Located in New York, NY
This beautiful Eternity Ring is set with 12 perfectly matched Round Brilliant Cut Diamonds, each
Category

2010s American Contemporary Band Rings

Materials

Diamond, Platinum

Princess Brilliant Cut Diamond Halo Necklace
By Antinori Fine Jewels
Located in Rome, IT
captivating sparkle. Surrounding the center diamond is a halo of 12 Natural Round Brilliant Side Diamonds
Category

2010s American Modern Multi-Strand Necklaces

Materials

Diamond, White Diamond, 14k Gold, White Gold

1.38tcw 14K Colombian Emerald-Oval Cut & Brilliant Round Diamond Floral Ring
Located in Jupiter, FL
: Diamond Diamond Count: 12 Weight: 0.11-Carats (Total) Cut: Brilliant Round Clarity: VS Color: H Luster
Category

2010s American Modern Engagement Rings

Materials

Diamond, Emerald, Gold, 14k Gold, Rose Gold

Princess Brilliant Cut Diamond Halo Necklace
By Antinori Fine Jewels
Located in Rome, IT
Brilliant Cut Diamond at its center. Weighing 0.81 carats, this diamond exhibits an H color and SI1 clarity
Category

2010s American Modern Multi-Strand Necklaces

Materials

Diamond, White Diamond, 14k Gold, White Gold

14K White Gold 1/2 Carat Channel Set Round Brilliant Diamond Huggy Hoop Earrings
Located in New York, NY
of glistening diamonds. Each earring features a row of channel set round cut diamonds that inlays the
Category

21st Century and Contemporary Indian Modern Hoop Earrings

Materials

Diamond, White Diamond, 14k Gold, White Gold

GIA Certified 1.12 Carats Total Round Cut Diamond Solitaire Engagement Ring
By Roman Malakov
Located in New York, NY
This ring features a round brilliant diamond weighing 1.12 carats that GIA certified as G color SI1
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Scott Kay Platinum 1.00 Carat Round Brilliant Center Stone Diamond Wedding Set
By Scott Kay
Located in Rancho Santa Fe, CA
Designer Scott Kay Platinum Wedding set with a 1.00ct Round Brilliant Center Stone Diamond Wedding
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Platinum

GIA Certified 0.30ct Marquise Shape Diamond Round Brilliant Cut Engagement Ring
Located in Hong Kong, HK
- 12 Marquise Diamonds with total carat diamond weight of 0.84ct - 2 Round Brilliant cut Diamonds with
Category

2010s Hong Kong Romantic Wedding Rings

Materials

Diamond, 18k Gold, White Gold

1.50 CTW Round Brilliant Diamond 14 Karat Yellow Gold Tennis Bracelet
Located in Boca Raton, FL
Diamond tennis bracelet fashioned in 14 karat. The bracelet features 30 round brilliant cut
Category

21st Century and Contemporary American Modern Tennis Bracelets

Materials

Diamond, White Diamond, 14k Gold, Yellow Gold

pear brilliant-cut diamond halo pendant/necklace
By Antinori Fine Jewels
Located in Rome, IT
. Additionally, the pendant is adorned with 12 natural round brilliant side diamonds weighing 0.24 carats. These
Category

2010s Italian Modern Pendant Necklaces

Materials

Diamond, White Diamond, 14k Gold

TJD 0.75 Carat Brilliant Cut 14 Karat White Gold Teardrop Diamond Stud Earrings
By TJD
Located in New York, NY
crafted in 14K White Gold, earring is cleverly filled with 12 round brilliant diamond set in pave and
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, White Gold

Platinum Halo GIA Certified E Color SI1 Clarity 1 Carat Round Brilliant Diamond
Located in Los Angeles, CA
- 90% Platinum, 10% Iridium. Stones- GIA Certified Round Brilliant Cut Diamond E Color SI1 Clarity
Category

2010s North American Art Deco Engagement Rings

Materials

Diamond, Platinum

White DEGVVS Brilliant-Cut Diamond Pendant with Necklace
By Joke Quick
Located in Antwerp, BE
detail and perfection. Made in 18K white gold 3,3 g and pave set with 12 white DEG/VVS brilliant-cut
Category

2010s Belgian Artist Pendant Necklaces

Materials

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

1.20 Carat Baguette and Round Cut Diamonds Men's Ring
Located in New York, NY
Finely crafted in 18k yellow gold with 4 Baguette and 12 Round brilliant cut diamonds weighing
Category

Vintage 1980s More Rings

Materials

Diamond, 18k Gold

Yellow Gold Diamond Men's Ring - 14k Round Brilliant .65ct Solitaire
Located in Greensboro, NC
Gold Stone Information Natural Diamond Carat(s): .65ct Cut: Round Brilliant Color: I Clarity: I2
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, 14k Gold, Yellow Gold

1.77 Carat Natural Round Brilliant In/Out Diamond Hoop Earrings 14 Karat g/vs
Located in New York, NY
Modern, In & Out. 1.77ct. Natural Round, Brilliant diamonds hoop earrings. inside / out G color
Category

2010s American Hoop Earrings

Materials

Diamond, 14k Gold, White Gold

12 Carat Emerald Cut Diamond Engagement Ring GIA Certified E VVS1
Located in New York, NY
Karat White Gold Settings: 4 Petite Claw Prong & Micro Pave Style: Round Brilliant Cut Diamonds: 1.45
Category

2010s American Engagement Rings

Materials

Diamond, White Gold, 18k Gold

12.03 Carat Round Cut Diamond Eternity Band 'Avg 1ct Each' 18 Karat White Gold
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
Timeless diamond eternity band. High jewelry by Alexander Beverly Hills. 12 round brilliant
Category

21st Century and Contemporary American Modern Band Rings

Materials

Diamond, Gold, 18k Gold, White Gold

.12 Carat Diamond Pearl White Gold Necklace
Located in Stamford, CT
47 cultured pearls 8.5mm 18 round brilliant cut diamonds, H-I SI, approx. .12cts 18k white gold
Category

Late 20th Century More Necklaces

Materials

Diamond, Pearl, Gold, 18k Gold, White Gold

8.56 Carat Round Cut Diamond Eternity Band 'Avg 0.71ct Each' 18 Karat White Gold
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
High jewelry diamond eternity band with milgrain and filegree work. 12 round brilliant diamonds
Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Tiffany & Co. Platinum Round Cut Diamond Dragonfly Necklace
By Tiffany & Co.
Located in Rome, IT
sterling silver, featuring a total weight of 1.3 carats of round brilliant-cut pink sapphires. The necklace
Category

2010s Italian Modern Pendant Necklaces

Materials

Sapphire, Pink Sapphire, Platinum

0.62 Carat Round Cut Emerald and Diamond Fashion Ring in 18k White Gold
Located in NEW YORK, NY
of brilliant-cut 12 diamonds weighing 0.62 carats in total. Made in 18k white gold.
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

Emerald, Diamond, 18k Gold, White Gold

2.41 Carat Round Cut Ruby and Diamond Hoop Earrings in 14K White Gold
Located in NEW YORK, NY
A chic and fashionable pair of hoop earrings showcasing brilliant-cut 16-round Rubies alternating
Category

21st Century and Contemporary Modern Hoop Earrings

Materials

Diamond, Ruby, 14k Gold, White Gold

1.41 Carat Round Cut Emerald and Diamond Hoop Earrings in 14K Yellow Gold
Located in NEW YORK, NY
A chic and fashionable pair of hoop earrings showcasing brilliant-cut 16-round Emeralds alternating
Category

21st Century and Contemporary Modern Hoop Earrings

Materials

Emerald, Diamond, Yellow Gold, 14k Gold

Vintage 2.62 Carat Diamond and 12 Karat White Gold Cluster Ring
Located in Jesmond, Newcastle Upon Tyne
Colour G Clarity VVS2 Cut Round Brilliant Content 0.42 carat Dimensions 4.80mm (average diameter) x
Category

Vintage 1960s Unknown Cocktail Rings

Materials

Diamond, White Gold

1.30 Carat Round Cut Emerald and Diamond Fashion Ring in 18k White Gold
Located in NEW YORK, NY
of brilliant-cut 12 diamonds weighing 0.88 carats in total. Embellished with two cris cross rows of
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

Eternity Quadruple Ring in 18kt White Gold with 3 Ctw of Brilliant Cut Diamonds
Located in Miami, FL
calibrated round brilliant cut diamonds, 3 carats, white colorless F/G color, VS-2 clarity. Weight: 11.70
Category

21st Century and Contemporary American Modern Band Rings

Materials

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

Beautiful 0.24ct Round Brilliant Diamond Ring in 18K White Gold
Located in רמת גן, IL
carat round brilliant diamond. Bathed in near-colorless radiance (E color), this diamond boasts near
Category

2010s Israeli Solitaire Rings

Materials

Diamond, 18k Gold, White Gold

Ruby 1.29 Ct Cluster Pendant 18 Kt White Gold Round Brilliant 0.60 Carat Diamond
By Hasbani Diamonds
Located in London, GB
brilliant cut white stunning diamonds weighing a total of 0.60 carat color G/H clarity SI, the ruby weighs
Category

2010s British Modern Pendant Necklaces

Materials

Chalcedony, Turquoise, Citrine, Other, Diamond, White Diamond, Emerald, ...

Eternity Band with 9.3 carats of Round, Princess & Emerald Cut Diamonds
Located in Miami, FL
Style: Eternity Ring Metal: White Gold Metal Purity: 18k ​​ Stone: 44 Round Brilliant Cut
Category

2010s American Modern Band Rings

Materials

Diamond, 18k Gold, White Gold

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12 Carat Round Brilliant Cut For Sale on 1stDibs

Surely you’ll find the exact 12 carat round brilliant cut you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Every item for sale was constructed with extraordinary care, often using Gold, 14k Gold and White Gold. You can easily find a 5 antique edition and 28 modern creations to choose from as well. You’re likely to find the perfect 12 carat round brilliant cut among the distinctive items we have available, which includes versions made as long ago as the 20th Century as well as those produced as recently as the 21st Century. A 12 carat round brilliant cut from Antinori Fine Jewels, Schullin Wien and Shreve, Crump & Low — each of whom created a beautiful version of this treasured accessory — is worth considering. A round cut version of this piece has appeal, but there are also baguette cut and brilliant cut versions for sale. When shopping for a 12 carat round brilliant cut, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a 12 Carat Round Brilliant Cut?

Prices for a 12 carat round brilliant cut can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $350 and can go as high as $1,050,000, while this accessory, on average, fetches $21,150.