12 Carat Oval Diamond Ring
to
294
1,020
294
1,184
539
419
223
141
78
55
46
44
41
36
35
29
23
22
21
18
15
13
13
9
7
3
3
3
2
2
2
2
1
1
1
27
27
23
23
22
Sort By
GIA Certified 12 Carat Oval Diamond Eternity Band Ring
By Antinori Fine Jewels
Located in Chicago, IL
features 12 GIA-certified oval-cut diamonds, totaling an impressive 12.10 carats, set in luxurious platinum
Category
2010s Italian Modern Band Rings
Materials
Diamond, White Diamond
GIA Certified 0.95 Carat Oval Solitaire Pave Diamond Ring
By EMD Diamonds
Located in New York, NY
Elevate your jewelry collection with this stunning diamond ring featuring a remarkable oval G SI1
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
Diamond, Platinum
3.46 Carat Oval Blue Sapphire Round Diamond Hasbani 18Kt Halo Engagement Ring
By Hasbani Diamonds
Located in London, GB
.
Sapphire & Diamond Ring
3.46 Total Gem Weight
18 Karat Gold
Blue Sapphire: 2.47 Carat
Diamond 0.99 Carat
Category
2010s British Modern Engagement Rings
Materials
Diamond, White Diamond, Blue Sapphire, Gold, 18k Gold, White Gold
2.49 Carat Oval Blue Sapphire Round Diamond Hasbani 18Kt Halo Engagement Ring
By Hasbani Diamonds
Located in London, GB
0.54 carat diamonds white colour G, clarity VS / SI round brilliant cut diamonds.
This Ring has been
Category
2010s British Modern Engagement Rings
Materials
Diamond, White Diamond, Blue Sapphire, Gold, 18k Gold, White Gold
GIA 1.00 Carat Oval Formal Garden Leaf Trellis 18K Yellow Gold Diamond Ring
By EMD Diamonds
Located in New York, NY
and diamonds.
Diamond Details:
Certificate: GIA (Gemological Institute of America)
Shape: Oval
Carat
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
Diamond, Yellow Gold
18k Oval Sapphire 12 Diamonds Ring
Located in Great Neck Plaza, NY
A bold and elegant ring featuring a 1.0 carat oval-shaped blue sapphire of deep blue color.
The
Category
Vintage 1980s Engagement Rings
Materials
Diamond, Blue Sapphire, 18k Gold
Oval 12 Carat Treated Ruby and 1 Carat Diamond 14 Karat Yellow Gold Ring
Located in New York, NY
16 X11 Oval Cut Approximately 12.28 Carat Treated Ruby 14 Karat Yellow Gold Ring Size 6
Category
2010s Solitaire Rings
Materials
Diamond, Ruby, 14k Gold, Yellow Gold
Vivid DIamonds GIA Certified 12.10 Carat Oval Cut Diamond Eternity Band
By Vivid Diamonds
Located in Miami, FL
Certified oval diamonds weighing 12.10 carats total, D-F color, VVS-VS clarity. Each diamond was carefully
Category
21st Century and Contemporary American Modern Band Rings
Materials
Diamond, Platinum
Art Deco Marcus & Co. Platinum 12 Carat No Heat Oval Sapphire Diamond Ring
By Marcus & Co.
Located in Cape May, NJ
This rare Art Deco Marcus & Co. Platinum 12 Carat No Heat Sapphire Diamond Ring is a true
Category
Vintage 1920s Art Deco Cocktail Rings
Materials
Diamond, Sapphire, Platinum
1.02 Carat Oval Diamond Halo Gold Engagement Ring
Located in Stamford, CT
Oval diamond halo two tone engagement ring. This ring is set with a 1.02ct oval diamond center
Category
Late 20th Century Engagement Rings
Materials
Diamond, 14k Gold, Yellow Gold, Gold
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
$1,120 Sale Price / item
20% Off
South Sea Pearl Sapphire Diamond Bypass Cocktail Ring 12-13 MM 0.94 CTTW 18KT
By Harbor Diamonds
Located in New York, NY
This exceptional ring features:
18K White gold
Sapphire weight: 0.48 Carats
Diamonds Weight:: 0.46
Category
21st Century and Contemporary American Contemporary Cocktail Rings
Materials
Diamond, South Sea Pearl, Sapphire, 18k Gold, White 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
$1,040 Sale Price
20% Off
Vivid Diamonds AGL Certified 5.91 Carat Burma No Heat Sapphire & Diamond Ring
By Vivid Diamonds
Located in Miami, FL
encircled by 12 round brilliant-cut diamonds with a combined weight of approximately 2 carats, H-I color
Category
21st Century and Contemporary American Modern Engagement Rings
Materials
Diamond, Sapphire, 18k Gold, White Gold
.65 Carat Oval Emerald Diamond Gold Cluster Engagement Ring
Located in Stamford, CT
Emerald and diamond engagement ring. .65cts center oval emerald with triangle of 6 clustered
Category
Vintage 1970s Engagement Rings
Materials
Diamond, Emerald, 14k Gold, Yellow Gold, Gold
VINTAGE BROWN AND WHITE DIAMOND RING (4, 12 Carats)
Located in Uccle, BE
Unique Ring made of white gold 18 Kt.
Ring set with a center brown diamond sert with a oval shape
Category
Late 20th Century European Cocktail Rings
Materials
White Diamond, Brown Diamond, Gold, 18k Gold
12 Carat Natural Ruby 3.5 Carat Diamond Cluster Ring
Located in Bay Harbor Islands, FL
Ruby ring set with an oval ruby weighing approximately 12 carats, and 2 pear shape rubies weighing
Category
Vintage 1940s Cocktail Rings
Materials
Diamond, Ruby, 18k Gold
GIA Certified 1.12 Carat Oval Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
Vintage 1940's Natural 1.12 carat oval bright orange/pink sapphire and diamond engagement ring. Set
Category
Early 20th Century Engagement Rings
Materials
Diamond, Sapphire, Pink Sapphire, Platinum
Platinum Diamond GIA Oval 4.11 Carat Paraiba Tourmaline Engagement Ring
Located in Los Angeles, CA
-Green Paraiba Tourmaline 4.11 Carats, 2 Emerald Cut Diamonds, 10 Round Diamonds, H Color VS1-VS2 Clarity
Category
21st Century and Contemporary American Art Deco Engagement Rings
Materials
Diamond, Tourmaline, Paraiba, 18k Gold, Platinum
AGL Certified 5.89 Carat Natural Oval Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
Behold the captivating allure of this exquisite 1960's 5.89ct natural oval sapphire diamond
Category
Mid-20th Century Engagement Rings
Materials
Diamond, Sapphire, Platinum
9.60 Carat Oval Light Yellow Sapphire Diamond Platinum Engagement Ring
Located in Stamford, CT
1950’s oval faint yellow sapphire an diamond engagement ring. Very light yellow oval Sapphire
Category
Mid-20th Century Engagement Rings
Materials
Diamond, Yellow Sapphire, Sapphire, Platinum
1.50 Carat Oval Diamond Yellow Gold Halo Engagement Ring
Located in Santa Barbara, CA
Diamond:
Carat Weight: 1.08
Cut: Oval
Color: J
Clarity: SI1
Accent Diamonds:
12 Round Brilliant & Emerald
Category
21st Century and Contemporary Modern Engagement Rings
Materials
Diamond, Gold, 14k Gold, Yellow Gold
GIA Burma Heated Ruby 7.71 Carat Oval in Diamond Platinum Ring
Located in La Jolla, CA
GIA Burma Heated Ruby 7.71 Carat Oval in Diamond Platinum Ring
Ruby and Diamond Ring features a
Category
21st Century and Contemporary American Cocktail Rings
Materials
Diamond, Ruby, Platinum
GIA Certified 1.57 Carat Oval Tanzanite Diamond Gold Engagement Ring
Located in Stamford, CT
Tanzanite and Diamond halo engagement ring. Oval shaped violet blue Tanzanite set in 14k yellow
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Tanzanite, Gold, 14k Gold, Yellow Gold
GIA Certified 2.49 Carat Oval Burmese Ruby Halo Diamond Engagement Ring
Located in Los Angeles, CA
DeKara Design Collection
Featuring An Amazing Halo Diamond Engagement Ring With n GIA Certified
Category
21st Century and Contemporary American Modern Engagement Rings
Materials
Ruby, Diamond
1.75 Carat Oval Cut Tanzanite Diamond 14 Karat Yellow Gold Ring
By Roshe Jewels
Located in Los Angeles, CA
weighs 1.35 carats and is adorned with 12 Round Cut Diamonds that weigh 0.40 carats.
It is set in 14
Category
21st Century and Contemporary American Modern Cocktail Rings
Materials
Diamond, Tanzanite, 14k Gold, Yellow Gold
Natural Diamond 0.46 carats 18KT White Gold Oval Solitaire Engagement Ring
Located in Antwerpen, BE
the perfect choice for an engagement ring. At its heart lies a mesmerizing oval-shaped diamond
Category
21st Century and Contemporary Belgian Modern Engagement Rings
Materials
Diamond, 18k Gold, White Gold
GIA Red Natural Oval Ruby 8.88 carat and Diamond Ring in Platinum
Located in La Jolla, CA
GIA Red Natural Oval Ruby 8.88 carats and Diamond Ring in Platinum
Natural Ruby and Diamond Rings
Category
21st Century and Contemporary North American Cocktail Rings
Materials
Diamond, Ruby, Platinum
Oval Shape Diamond Ring
By Amwaj Jewellery
Located in Abu Dhabi, Abu Dhabi
around the finger to embrace a perfectly 1.51 carat oval diamond in this uniquely elegant rose gold ring
Category
21st Century and Contemporary Emirian Contemporary Fashion Rings
Materials
Diamond, 18k Gold
14K White Gold 2.47 Carat Oval Green Tourmaline Halo Diamond Ring
Located in San Francisco, CA
This ring features an oval-shaped light, vibrant green color 2.47-carat Tourmaline encircled by
Category
21st Century and Contemporary American Cocktail Rings
Materials
Diamond, Tourmaline, 14k Gold, White Gold
3.1 Carat Oval Blue Sapphire and Diamond Ring in Platinum
Located in London, GB
This spectacular ring features an oval cut 3.1 carat Blue Sapphire at its centre, surrounded by an
Category
21st Century and Contemporary Cluster Rings
Materials
Diamond, Blue Sapphire, Platinum
Roman Malakov 1.50 Carats Oval Cut Ruby & Diamond Floral Engagement Ring
By Roman Malakov
Located in New York, NY
A gorgeous engagement ring, featuring a 1.50 carats oval cut ruby, set on a four prong setting
Category
21st Century and Contemporary American Modern Engagement Rings
Materials
Diamond, Ruby, 18k Gold, White Gold
GRS IGI Certified 3 Carat Ceylon Untreated Oval Blue Sapphire Diamond Ring
Located in Chicago, IL
Centering a oval shaped ceylon sapphire, flanked by 12 round brilliant -shaped diamonds, decorated
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, Blue Sapphire, Platinum
Certified 18K White Gold 12 Carat Ruby and Diamond Cocktail Ring
By Royaal Stones Ltd
Located in Bangkok, Thailand
Make a bold statement with this 18K white gold ring, featuring a breath taking oval-cut ruby that
Category
2010s Asian Modern Cocktail Rings
Materials
Diamond, Ruby, White Gold
3.48 Carat Oval Rubelite & Diamond Ring In 18k Yellow Gold
Located in Chicago, IL
-carat oval-cut rubellite gemstone set in 18 karat yellow gold, accented by 12 round-cut diamonds with a
Category
2010s American Contemporary Fashion Rings
Materials
Diamond, Rubelite, 18k Gold, Yellow Gold
5.22 Carat Natural FIY Oval Modified Brilliant Diamond GIA VVS2 Engagement Ring
By SCARSELLI
Located in New York, NY
5.22 carat Fancy Intense Yellow natural, GIA certified oval-cut diamond engagement ring on a yellow
Category
2010s American Contemporary Engagement Rings
Materials
Diamond, Yellow Diamond, 18k Gold, Yellow Gold
1.55 Carat Natural Oval Sapphire and Diamond Ring 14 Karat White Gold
Located in New York, NY
1.55 Carat Natural Diamond and Sapphire Oval Ring G SI 14K White Gold
100% Natural Diamonds and
Category
21st Century and Contemporary American Contemporary Fashion Rings
Materials
Diamond, Sapphire, 14k Gold, White Gold
$1,199 Sale Price / item
20% Off
1.70 Carat Natural Oval Ruby and Diamond Ring 14 Karat White Gold
By David Morris
Located in New York, NY
1.70 Carat Natural Diamond and Ruby Oval Ring G SI 14K White Gold
100% Natural Diamonds and
Category
21st Century and Contemporary American Contemporary Fashion Rings
Materials
Diamond, Ruby, 14k Gold, White Gold
6.10 Carat Oval Pink Tourmaline and Diamond Gold Cocktail Ring
Located in Montreal, QC
securely nestled with a Hand set 6.10 Carat Oval Pink Tourmaline and Diamonds, weighing approx. 0.16tcw
Category
21st Century and Contemporary Modern Cocktail Rings
Materials
Diamond, Tourmaline, Gold, 14k Gold, Yellow Gold
Oval Emerald and Diamond Platinum Estate Ring
Located in Derby, NY
This elegant Oval Emerald and Diamond Platinum Estate Ring features a .50 carat oval emerald
Category
21st Century and Contemporary Unknown Modern Cocktail Rings
Materials
Diamond, Emerald, Platinum
GRS Certified Oval Ruby 7.02 carat and Diamond Halo Cocktail Ring in Platinum
Located in La Jolla, CA
12 Marquise Diamonds. Weight of diamonds is 3.00 carats in total. Ring size is 6. Ring top measures
Category
21st Century and Contemporary American Cocktail Rings
Materials
Diamond, Ruby, Platinum
GIA Certified 5.00 Carats Oval Cut Blue Sapphire & Diamond Halo Engagement Ring
By Roman Malakov
Located in New York, NY
by a halo of 12 round brilliant cut diamonds weighing 1.30 carats total, set with a beautiful floral
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
Diamond, Blue Sapphire, Platinum
GIA Certified 2.11 Carat Oval Sapphire Diamond Halo White Gold Engagement Ring
Located in Stamford, CT
This stunning oval 2.11ct sapphire is mounted in a 14k white gold setting. Accented by a halo of 12
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Sapphire, Gold, 14k Gold, White Gold
12 Carat Cushion Cut Natural Pink Tourmaline & Diamond 14 Karat Yellow Gold Ring
Located in New York, NY
Approximately 12 Carat Cushion Cut Natural Pink Tourmaline & Diamond 14 Karat Yellow Gold Ring
12
Category
2010s Cocktail Rings
Materials
Tourmaline, Diamond, 14k Gold, Yellow Gold
Princess Diana Inspired 3.55 Carat Oval Sapphire and Diamond Ring 14K White Gold
Located in New York, NY
Princess Diana Style 3.55 Carat Natural Diamond and Sapphire Oval Ring G SI 14K White Gold
100
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
Diamond, Sapphire, White Gold
$2,661 Sale Price / item
20% Off
Princess Diana Inspired 3.55 Carat Oval Sapphire and Diamond Ring 14k White Gold
Located in New York, NY
Princess Diana Style 3.55 Carat Natural Diamond and Sapphire Oval Ring G SI 14K White Gold
100
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
Diamond, Sapphire, White Gold
$2,661 Sale Price / item
20% Off
Princess Diana Inspired 3.50 Carat Oval Ruby & Diamond Ring 14 Karat White Gold
Located in New York, NY
Princess Diana Style 3.50 Carat Natural Diamond and Ruby Oval Ring G SI 14K White Gold
100
Category
21st Century and Contemporary American Contemporary Fashion Rings
Materials
Diamond, Ruby, White Gold
$3,412 Sale Price / item
20% Off
18 Karat Gold Ring with 5.12 Carat Oval Blue Sapphire with 1.27 Carat Diamonds
By Cellini
Located in New York, NY
, this iconic style remains timeless.
Oval Sapphire =5.12 carats
12 Diamonds = 1.27 carats
Stamped 18k
Category
2010s Contemporary Engagement Rings
Materials
Diamond, Blue Sapphire, 18k Gold, White Gold
1.55 Carat Natural Oval Sapphire and Diamond Ring 14 Karat White Gold
Located in New York, NY
1.55 Carat Natural Diamond and Sapphire Oval Ring G SI 14K White Gold
100% Natural Diamonds and
Category
21st Century and Contemporary American Contemporary Fashion Rings
Materials
Diamond, Sapphire, 14k Gold, White Gold
1.70 Carat Natural Oval Ruby and Diamond Ring 14 Karat White Gold
By David Morris
Located in New York, NY
1.70 Carat Natural Diamond and Ruby Oval Ring G SI 14K White Gold
100% Natural Diamonds and
Category
21st Century and Contemporary American Contemporary Fashion Rings
Materials
Diamond, Ruby, 14k Gold, White Gold
Platinum & 18K Yellow Gold Oval 7.12 Carat No Heat Sapphire and Diamond Ring
Located in San Francisco, CA
This stunning Princess Diana-style ring features a rare 7.12 Carat Oval shape GIA certified
Category
21st Century and Contemporary American Cocktail Rings
Materials
Diamond, Sapphire, Yellow Gold, Platinum
$59,500 Sale Price
30% Off
2.09 Carat Oval Cut No Heat Ruby & Diamond Halo Platinum Ring
Located in Miami, FL
2.09 carat oval cut no heat ruby and diamond halo ring. Adorned with 12 round cut diamonds forming
Category
21st Century and Contemporary Art Deco Cocktail Rings
Materials
Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Platinum
Roman Malakov 1.60 Carats Oval Cut Blue Sapphire & Diamond Halo Engagement Ring
By Roman Malakov
Located in New York, NY
An elegant engagement ring, showcasing a 1.60 carats oval cut blue sapphire, set on four rounded
Category
21st Century and Contemporary American Contemporary Engagement Rings
Materials
Diamond, Sapphire, Blue Sapphire, 18k Gold, White Gold
Antique Inspired Platinum Ring with 0.97 Carat Oval Sapphire & Round Diamonds
Located in Old Tappan, NJ
Modern antique inspired platinum ring with 12 round diamonds weighing 0.13 carats total and one
Category
Early 2000s American Contemporary Fashion Rings
Materials
Diamond, Sapphire, Platinum
Natural Diamond Oval Emerald Ring 18k Gold
By Estate Jewelry
Located in East Brunswick, NJ
Natural Diamond Oval Emerald Ring 18K Gold
This beautiful estate ring is finely crafted in solid
Category
Late 20th Century Cocktail Rings
Materials
Diamond, Emerald, 18k Gold, Yellow Gold
Princess Diana Inspired 3.50 Carat Oval Ruby & Diamond Ring 14 Karat White Gold
Located in New York, NY
Princess Diana Style 3.50 Carat Natural Diamond and Ruby Oval Ring G SI 14K White Gold
100
Category
21st Century and Contemporary American Contemporary Fashion Rings
Materials
Diamond, Ruby, White Gold
2.50 Carat Oval Aquamarine Diamond 14 Karat White Gold Vintage Cocktail Ring
Located in Boca Raton, FL
This elegant 14 karat white gold ring showcases a stunning approximately 2.50-carat oval aquamarine
Category
Late 20th Century American Modern Cocktail Rings
Materials
Aquamarine, Diamond, Gold, White Gold
- 1
- ...
Get Updated with New Arrivals
Save "12 Carat Oval Diamond Ring", and we’ll notify you when there are new listings in this category.
Read More
This Absinthe-Hued Peridot Cocktail Ring Is Positively Intoxicating
Ancient Egyptians referred to the vibrant stone as the “gem of the sun.”
Our Guide to Engagement Ring Settings – And How to Choose One
There are many ways to showcase a diamond, from traditional prongs to a smooth, streamlined bezel. Here’s everything you need to consider.
Nothing Says Summer Heat Like This Ruby-Red Cartier Stunner
The vintage bombé ring is bursting with color and timeless style.
Zircon Rings: Our Guide to a Uniquely Colorful Natural Gemstone
Zircon is a magnificent and underrated natural gemstone that has been worn and adored for centuries.
[Survey] Two-Thirds of Jewelry Gift Recipients Don’t Want to Be Surprised
Givers of fine gems enjoy surprise more than receivers, and women more than men. Find out what else our survey of 3,000 Americans revealed.
Colorful Gemstones Are a Brilliant Choice for Engagement Rings
If diamonds don’t seem right, what about a magnificent sapphire, ruby or emerald?
Our Guide to Fancy-Colored Diamond Engagement Rings
Accounting for just 1 percent of all diamonds, these marvels of nature are exceedingly rare and gorgeously complex.
Our Guide to Victorian, Edwardian and Art Deco Engagement Rings
Learn about these antique jewelry styles, then choose a design that speaks to you.
More Ways To Browse
Cartier Eclipse Ring
Cartier Havana Cigar Band Ring 1970
Cartier Havana Cigar Band
Cartier Infinity Ring
Cartier Jewelry Roll
Cartier Love 64
Cartier Love Knot Ring
Cartier Love Ring Stack
Cartier Love Rings 65
Cartier Love Solitaire Ring
Cartier Mens Diamond Wedding Bands
Cartier Mes Rings
Cartier Pelage Ring
Cartier Ring 1988
Cartier Ring 24k
Cartier Ring 67
Cartier Ring Bird
Cartier Ring Size 12