12 Carat Round Brilliant
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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 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 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
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 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
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, 14k Gold, 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
Ravishing 18k Yellow Gold Bracelet w/ 12 ct Natural Diamond IGI Certificate
Located in רמת גן, IL
A luxurious gold tennis bracelet with ideal cut round brilliant diamonds in 12-carat round
Category
2010s Israeli Tennis Bracelets
Materials
Diamond, 18k Gold, Yellow 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
Platinum Diamond Cluster Round Brilliant Clip On Earrings 12 Carats G-H SI
By Harbor Diamonds
Located in New York, NY
Diamond cluster earrings featuring 8 Pear shapes, 16 Marquise and 18 Round brilliants weighing
Category
2010s Contemporary Clip-on Earrings
Materials
Diamond, Platinum
Free Shipping
W 0.8 in L 1.1 in
12 Carat White Brilliant Cut Tennis Diamond Bracelet
By Antinori Fine Jewels
Located in Rome, IT
Tennis Bracelet with 12.66 carat ROUND cut diamonds in Platinum (0.30ct each)
Diamond Signature
Category
2010s Italian Modern Tennis Bracelets
Materials
Diamond, White Diamond, 14k Gold, White 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
4 Carat Brilliant Round Eternity Band in Platinum
By Simon Ardem
Located in New York, NY
Diamond Eternity Band set in Platinum. 12 Round Brilliant diamonds are E-F VS1-SI1. Carat weight
Category
2010s American Band Rings
Materials
Diamond, Platinum
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
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 round brilliant cut diamonds weighing
Category
21st Century and Contemporary American Contemporary Stud Earrings
Materials
Diamond, 18k Gold, White Gold
9.63 Carat White Round Brilliant Diamond And White Briolette Diamond Earrings
By MOGULDIAM INC
Located in New York, NY
6 carat with MN color and VS-SI clarity. The white round brilliant diamond weigh a total of 3.63
Category
Early 2000s Indian Contemporary Chandelier Earrings
Materials
Diamond, 18k Gold
4 Carat Brilliant Round Eternity Band in Yellow Gold
By Simon Ardem
Located in New York, NY
Diamond Eternity Band set in Platinum. 12 Round Brilliant diamonds are E-F VS1-SI1. Carat weight
Category
2010s American Band Rings
Materials
Diamond, 14k Gold, Yellow Gold
4 Carat Brilliant Round Eternity Band in Rose Gold
By Simon Ardem
Located in New York, NY
Diamond Eternity Band set in Rose Gold. 12 Round Brilliant diamonds are E-F VS1-SI1. Carat weight
Category
2010s American Band Rings
Materials
Diamond, 14k Gold, Rose Gold
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
0.30 Carat Total Brilliant Round Shape Diamonds Butterfly Fashion Stud Earrings
By Roman Malakov
Located in New York, NY
A simple and unique pair of fashion earrings, showcasing 12 pieces of round brilliant cut diamonds
Category
21st Century and Contemporary American Contemporary Stud Earrings
Materials
Diamond, 18k Gold, Yellow Gold
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
Sophisticated Round Brilliant Pave Diamond Ring
Located in רמת גן, IL
stone: 38 pcs. .57ct round brilliant diamonds, F colour, VS clarity
~Total Carat Weight: .57tcw
~Size
Category
2010s Singaporean Band Rings
Materials
Diamond, 18k Gold, White Gold
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
Roman Malakov 0.16 Carats Total Brilliant Round Diamond and Pearl Stud Earrings
By Roman Malakov
Located in New York, NY
single round brilliant diamond weighing 0.16 carats total, set in a classic four prong setting. Finely
Category
21st Century and Contemporary American Contemporary Stud Earrings
Materials
Diamond, Pearl, 18k Gold, White Gold
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
0.48 Carat Round Brilliant Diamond and 18K Yellow Gold Knot Cocktail Ring
Located in Chevy Chase, MD
knot, with Diamonds set in the loops of 18k yellow gold. There are 12 Diamonds set throughout the ring
Category
Late 20th Century American Retro Cocktail Rings
Materials
Diamond, Yellow Gold
1.48 Carat Round Brilliant & Baguette Cut Diamond 14 Karat In Stock
Located in Boca Raton, FL
Diamond Details: There are approximately 1.20 carats of round brilliant cut diamonds (40 round brilliant
Category
21st Century and Contemporary American Modern Stud Earrings
Materials
Diamond, Gold, 14k Gold, Rose Gold, White Gold
Free Shipping
H 4.93 in W 9.42 in L 18.6 in
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
Diamond Huggies Earrings Round Brilliant Cut 0.5 Carats 14K White Gold
Located in Laguna Niguel, CA
It comes with the Gemological Appraisal by GIA GG/AJP
All diamonds are natural, not treated
12
Category
21st Century and Contemporary Contemporary Hoop Earrings
Materials
Diamond, White Diamond, Gold, 14k Gold, White Gold
GIA Certified 12 Carat Round Cut Diamond Platinum Stud Earrings
Located in New York, NY
These important diamond stud earrings are graded by the GIA as 6.38 and 6.33 Carat each, J Color
Category
2010s American Stud Earrings
Materials
Diamond, Platinum
0.74 carat Round Brilliant & Baguette Cut Diamond Earrings 14 Karat In Stock
Located in Boca Raton, FL
: There are approximately 0.60 carats of round brilliant cut diamonds (40 round brilliant cut diamonds
Category
21st Century and Contemporary American Modern Stud Earrings
Materials
Diamond, Gold, 14k Gold, Rose Gold
Free Shipping
H 4.94 in W 9.31 in L 9.33 in
0.74 carat Round Brilliant & Baguette Cut Diamond Earring 14 Karat In Stock
Located in Boca Raton, FL
: There are approximately 0.60 carats of round brilliant cut diamonds (40 round brilliant cut diamonds
Category
21st Century and Contemporary American Modern Stud Earrings
Materials
Diamond, Gold, 14k Gold, White Gold
Free Shipping
H 5.02 in W 9.5 in L 9.75 in
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
Round Brilliant Diamonds 1.75 Carat 18kt White Gold Cable Design Choker Necklace
Located in San Diego, CA
: 45 Round Brilliant Diamonds 1.75 tcw
Color & Clarity: E - F / VS1 - VS2
Hallmark: 750 18KT
Includes
Category
2010s American Choker Necklaces
Materials
Diamond, 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
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
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
H 0.4 in W 0.2 in L 0.56 in
14K Emerald & Diamond Pendant Necklace Round Brilliant Emerald 0.46ct Round
Located in Holtsville, NY
centerpiece of this necklace is a stunning 0.46 carat round brilliant emerald, surrounded by 12 shimmering
Category
2010s American Artist Pendant Necklaces
Materials
Diamond, Emerald, 14k 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
Sophisticated .76ct. Round Brilliant Pave Diamond Ring
Located in רמת גן, IL
A beautiful ring with a dazzling 0.57 carat round brilliant diamond. The jewelry is made of 18k
Category
2010s Singaporean Band Rings
Materials
Diamond, 18k Gold, White Gold
1.92 Carats F/VS1 Round Brilliant Diamonds Men's Tennis Bracelet 14K Yellow Gold
Located in Massafra, IT
Take home this dazzling and shimmering masterpiece crafted with 1.92 carats of round diamonds in a
Category
21st Century and Contemporary Italian Contemporary Tennis Bracelets
Materials
Diamond, Yellow Gold, 14k 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
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
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
Free Shipping
W 0.01 in Dm 0.08 in
Yellow Gold Diamond Men's Ring - 14k Round Brilliant .25ct Swirl Solitaire
Located in Greensboro, NC
Stone Information
Natural Diamond
Carat(s): .25ct
Cut: Round Brilliant
Color: G
Clarity: VS1
Total
Category
21st Century and Contemporary Solitaire Rings
Materials
Diamond, 14k Gold, Yellow 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
Elegant 0.25ct Heart Necklace with Round Brilliant Natural Diamonds
Located in רמת גן, IL
three exquisite round brilliant natural diamonds as the main stones, each weighing 0.10 carats. These
Category
2010s Singaporean Pendant Necklaces
Materials
Diamond, 18k Gold, Rose 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
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
Free Shipping
W 0.91 in L 1.46 in
18KT Yellow Gold Natural Diamonds 1.11 Carat Brilliant Cut Eternity Ring
Located in Antwerpen, BE
Brilliant
Total Carat Weight: 1.11CT
Number of Diamonds: 30
Average Clarity: VS
Colour: F-G
Authenticity
Category
2010s European Modern Band Rings
Materials
Diamond, Yellow 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
35 Carat Natural Coral and 12 Carat DeBeers Diamond Cocktail Earring in Platinum
Located in New York, NY
brilliant diamonds are surrounding the Round Coral.
Diamonds: approximate 12 carat , VS Quality E color
Category
Early 20th Century Stud Earrings
Materials
Diamond, Coral, Platinum
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
Ruby Cluster Pendant, The radiant red oval shaped ruby in the center is surrounded by 12 round
Category
2010s British Modern Pendant Necklaces
Materials
Tourmaline, Ruby, Sapphire, Blue Sapphire, Pink Sapphire, Yellow Sapphir...
Free Shipping
W 0.48 in L 0.79 in
12 Carat Round & Baguette Cut Diamond Square Station Bracelet 18 Karat In Stock
Located in Boca Raton, FL
Material: 18 Karat White Gold
Diamond Details: There are approximately 5.2 carats of round
Category
21st Century and Contemporary American Modern More Bracelets
Materials
Diamond, Gold, 18k Gold, White Gold
Free Shipping
L 7.5 in
.12 Carat Diamond White Gold Open Heart Pendant Necklace
Located in Stamford, CT
on a 16 Inch cable chain with lobster catch.
3 round brilliant cut diamonds, G-H VS approx. .12cts
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Gold, 18k Gold, White Gold
Tiffany & Co Paloma Picasso .12 Carat Diamond Platinum Heart Pendant Necklace
By Paloma Picasso for Tiffany & Co.
Located in Stamford, CT
Iconic Tiffany & Co Paloma Picasso diamond heart pendant necklace. 17 round brilliant cut diamonds
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Platinum
Vintage 12 Carat Aquamarine Diamond Sapphire Pendant Necklace
Located in Napoli, Italy
Natural Aquamarine, for a total weight of 11,90 Carats, surrounded by one large round cut Diamond and 4
Category
Vintage 1960s Italian Retro Drop Necklaces
Materials
Aquamarine, Diamond, Sapphire, 18k Gold, White Gold
Free Shipping
W 0.58 in D 0.4 in L 19.69 in
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12 Carat Round Brilliant For Sale on 1stDibs
On 1stDibs, you can find the most appropriate 12 carat round brilliant for your needs in our varied inventory. Each design created in this style — which was crafted with great care and often made from Gold, White Gold and 14k Gold — can elevate any look. In our selection of items, you can find a vintage example as well as a contemporary version. Making the right choice when shopping for a 12 carat round brilliant 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 .5 Carat and 1 Carat carat weights, specifically, are sought with frequency. A 12 carat round brilliant from Shreve, Crump & Low, Tiffany & Co. and Antinori Fine Jewels — each of whom created a beautiful version of this treasured accessory — is worth considering. Today, if you’re looking for a round cut version of this piece and are unable to find the perfect match, our selection also includes brilliant cut alternatives. Most of our 12 carat round brilliant for sale are for women, but there are 11 pieces available to browse for men.
How Much is a 12 Carat Round Brilliant?
The price for a 12 carat round brilliant starts at $350 and tops out at $700,000 with these rings, on average, selling for $15,000.
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