18 Carat Oval Diamond
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1.73 Carat Oval Tanzanite 0.30 Carat White Diamond 18 Karat Gold Engagement Ring
By Hasbani Diamonds
Located in London, GB
Elegant and beautiful with a total of 2.03 carat of gemstones, 1.75 Carat oval-shaped tanzanite in
Category
2010s British Modern Engagement Rings
Materials
Tanzanite, White Diamond, Diamond, Gold, White Gold, 18k Gold
Vivid Diamonds 4.96 Carat Oval Diamond Eternity Band
By Vivid Diamonds
Located in Miami, FL
Exquisite Vivid Diamonds eternity band crafted by hand in Platinum, showcasing 18 stunning emerald
Category
21st Century and Contemporary American Modern Band Rings
Materials
Diamond, Platinum
3.66 Carat Oval Cut Diamond Eternity Band
By Vivid Diamonds
Located in Miami, FL
Exquisite Vivid Diamonds eternity band crafted in Platinum, showcasing 18 stunning oval cut
Category
21st Century and Contemporary American Modern Wedding Rings
Materials
Diamond, Platinum
GIA Certified Oval Ruby Diamond Double Halo Ring 2.07 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
GIA Certified oval shape red Ruby weighing 1.52 carats flanked with a diamond double halo weighing
Category
2010s American Contemporary Engagement Rings
Materials
Ruby, Diamond, White Gold
Vivid Diamonds 3.09 Carat East West Oval Diamond Eternity Band
By Vivid Diamonds
Located in Miami, FL
Stunning Vivid Diamonds Eternity Band crafted in 18 karat yellow gold, featuring 13 oval cut
Category
21st Century and Contemporary American Modern Wedding Rings
Materials
Diamond, 18k Gold, Yellow Gold
Blue Topaz 2.20 Carat Oval 0.20 Carat Round Diamond White Gold Halo Ring
By Hasbani Diamonds
Located in London, GB
Vintage classic design 18 Karat white gold ring with 2.20 Carat blue topaz centrepiece and a
Category
2010s British Modern Engagement Rings
Materials
White Diamond, Topaz, Diamond, Blue Topaz, 18k Gold, White Gold
Large Oval Diamond Link Bracelet 2 Carats 18 Karat Yellow Gold 28.2 Grams
By Harbor Diamonds
Located in New York, NY
18 Karat Yellow Gold link bracelet featuring two large oval links with 75 diamond accents in
Category
2010s Contemporary Link Bracelets
Materials
Diamond, Gold, 18k Gold
Blue Topaz 2.20 Carat Oval 0.20 Carat Round Diamond Platinum Halo Ring
By Hasbani Diamonds
Located in London, GB
Vintage classic design 18 Karat white gold ring with 2.20 Carat blue topaz centrepiece and a
Category
2010s British Modern Engagement Rings
Materials
Diamond, White Diamond, Topaz, Blue Topaz, Platinum
Diamond Oval Shape Twist Hoop Earrings 0.61 Carat 18 Karat Yellow Gold
By Harbor Diamonds
Located in New York, NY
18K Yellow gold inside out hoop earrings featuring 38 round brilliants weighing 0.61 carats.
Color
Category
2010s American Contemporary Hoop Earrings
Materials
Diamond, Yellow Gold
1.60 Carat Diamond Ruby Cluster 18 Karat White Gold Claw Set Round Oval Cut Ring
By Hasbani Diamonds
Located in London, GB
Elegant and striking 1.60 Carat total diamond and ruby Cluster Ring, The radiant oval ruby is
Category
2010s British Modern Cluster Rings
Materials
Diamond, Ruby, Emerald, Blue Sapphire, Gold, 18k Gold, White Gold, Yello...
Oval Cut Morganite Diamond Halo Cocktail Ring 12.99 Carats 18 Karat Rose Gold
By Harbor Diamonds
Located in New York, NY
18 Karat Rose Gold cocktail ring featuring one Pink Salmon color Morganite weighing 11.62 Carats
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, Morganite, 18k Gold, Rose Gold
Ruby Diamond Cluster 0.80 Carat Claw Set 18 Karat White Gold Round Oval Cut Ring
By Hasbani Diamonds
Located in London, GB
Elegant and striking 0.80 Carat total diamond and ruby Cluster Ring, The radiant oval ruby is
Category
2010s British Modern Cluster Rings
Materials
Emerald, Citrine, Ruby, Yellow Diamond, Blue Sapphire, Multi-gemstone, S...
Aquamarine 8.50 Carat Bespoke 18 Karat White Gold 3 Carat Diamond Halo Ring
By Hasbani Diamonds
Located in London, GB
Ring
8.50 Carat Aquamarine Oval Shape (including diamond halo 19.20mm x 15.00mm)
3.00 Carat Diamond
Category
2010s British Modern Engagement Rings
Materials
Aquamarine, Diamond, White Diamond, Gold, 18k Gold, White Gold
2.51 Carat Oval Blue Sapphire Round Diamond Hasbani 18Kt Halo Engagement Ring
By Hasbani Diamonds
Located in London, GB
/ Engagement Ring surrounded by a claw set diamond halo With a total diamond weight of 1.01 carat diamonds
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
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
Vivid Diamonds 3.08 Carat Oval Cut East-West Eternity Band
By Vivid Diamonds
Located in Miami, FL
Stunning Vivid Diamonds Eternity Band crafted in 18 karat yellow gold, featuring 13 oval cut
Category
21st Century and Contemporary American Modern Band Rings
Materials
Diamond, 18k Gold, Yellow Gold
Oval Cut Tanzanite Large Diamond Pendant 20.30 CTTW 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
Oval cut Tanzanite weighing 18.55 carats flanked with a diamond decorative pendant of round
Category
2010s Contemporary Pendant Necklaces
Materials
Diamond, Tanzanite, 18k Gold, White Gold
Oval Cut Sapphire Diamond Illusion Bracelet 25.67 CTTW 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
Fifty oval cut blue Sapphires weighing 24.02 Carats with alternating illusion style diamonds
Category
2010s Contemporary Modern Bracelets
Materials
Diamond, Sapphire, 18k Gold, White Gold
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W 0.5 in L 7 in
3.31 Carat Oval Pink Sapphire and Natural Diamond Circle Pendant in 14P ref2303
By Diamond Town
Located in New York, NY
5x4mm, total weight 3.31 carats
Diamonds: 18 stones, total weight 1.29 carats
Set in 14k Pink Gold on a
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Pink Sapphire
Sapphire Diamond South Sea Pearl Drop Earrings 2.16 Carats 18 Carat White Gold
By Harbor Diamonds
Located in New York, NY
18 Karat White gold drop earrings featuring two blue Oval Cut Sapphires weighing 0.92 carats
Category
2010s Contemporary Drop Earrings
Materials
Diamond, South Sea Pearl, Sapphire, White Gold
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L 1.63 in
2.75 Carat Oval Cut Emerald and Diamond Circle Wreath Pendant in 18W ref1988
By Diamond Town
Located in New York, NY
stones at 5x4mm, total weight 2.75 carats
Diamonds: 18 stones, total weight 1.38 carats
Set in 18k White
Category
21st Century and Contemporary Contemporary Pendant Necklaces
Materials
Diamond, Emerald, 18k Gold, White Gold
1.39 Carat Oval Cut Emerald and 0.42 Ct Natural Diamond Milgrain Flower ref1960
By Diamond Town
Located in New York, NY
.
Sapphire: 8x6mm oval cut, total 1.39 carats
Diamonds: 1.9mm round, total 0.42 carats.
Set in 18k White Gold
Category
21st Century and Contemporary Contemporary Pendant Necklaces
Materials
Diamond, Sapphire, 18k Gold, White Gold
1.16 Carat Oval Cut Emerald and 0.35 Ct Natural Diamond Milgrain Flower ref1971
By Diamond Town
Located in New York, NY
of timeless splendor.
Emerald: 8x6mm oval cut, total 1.16 carats
Diamonds: total 0.35 carats.
Set
Category
21st Century and Contemporary Contemporary Pendant Necklaces
Materials
Diamond, Emerald, 18k Gold, White Gold
1.62 Carat Oval Cut Emerald and Natural Diamond Cross Pendant in 18k ref2359
By Diamond Town
Located in New York, NY
divine elegance!
Five mesmerizing oval cut emeralds, totaling 1.62 carats, delicately encircle a central
Category
21st Century and Contemporary Contemporary Pendant Necklaces
Materials
Diamond, Emerald, 18k Gold, White Gold
18 Carat Blue Sapphire Diamonds Oval Necklace
By Antinori Fine Jewels
Located in Rome, IT
18K White Gold 25.65 ct Diamond & Sapphire Halo Line Necklace 16".
The measurements of the
Category
2010s Italian Modern Chain Necklaces
Materials
Blue Sapphire, Diamond, White Diamond, 18k Gold
GIA Certified 3 Carat Oval Diamond 18 Carats White Gold Ring
By Antinori Fine Jewels
Located in Rome, IT
oval-cut diamond, certified by GIA with a dazzling I color grade. The centerpiece, an oval gem of pure
Category
2010s Italian Modern Engagement Rings
Materials
Diamond, White Diamond, 18k Gold, White Gold
Vivid Diamonds 18 Carat Emerald Earrings
By Vivid Diamonds
Located in Miami, FL
black rhodium, showcasing 280 round cut emeralds, weighing approximately 18 carats. Framed with layers
Category
21st Century and Contemporary Modern Dangle Earrings
Materials
Emerald, 18k Gold
1.26 Carat Oval Cut Emerald and 0.22 Ct Natural Diamond Pendant in 18k ref1986
By Diamond Town
Located in New York, NY
Diamond: Round cut, 0.22 carats
Set in 18k White and Yellow Gold.
Chain is 18", with an additional closure
Category
21st Century and Contemporary Contemporary Pendant Necklaces
Materials
Diamond, Emerald, 18k Gold, White Gold, Yellow Gold
Certified Burma Ruby Diamond Collar Necklace 24.50 Carats 18 Karat Yellow Gold
By Harbor Diamonds
Located in New York, NY
Vintage 18 Karat yellow gold collar necklace featuring 5 Oval Burma Rubies weighing 7.50 Carats
Category
Vintage 1970s Contemporary Choker Necklaces
Materials
Diamond, Ruby, 18k Gold, Yellow Gold
18 Karat White Gold Oval Eternity Diamond Ring '4 Carat'
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 20 Oval shape Natural Diamonds in a total weight of
Category
21st Century and Contemporary American Band Rings
Materials
Diamond, White Gold
18 Karat Rose Gold Oval Eternity Diamond Ring '4 Carat'
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 20 Oval shape Natural Diamonds in a total weight of
Category
21st Century and Contemporary American Band Rings
Materials
Diamond, Rose Gold
18 Karat Yellow Gold Oval Halo Diamond '1/3 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.23-carat total
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Yellow Gold
18 Karat Yellow Gold Oval Halo Diamond '1/2 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.47-carat total
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Yellow Gold
18 Karat Rose Gold Oval Halo Diamond '1/2 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.47-carat total
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Rose Gold
18 Karat Yellow Gold Oval Halo Diamond '3/4 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.70-carat total
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Yellow Gold
18 Karat White Gold Oval Halo Diamond '1/3 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.23-carat total
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, White Gold
18 Karat Rose Gold Oval Halo Diamond '1/3 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.23-carat total
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Rose Gold
18 Karat White Gold Oval Halo Diamond '1/2 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.47-carat total
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, White Gold
18 Karat White Gold Oval Halo Diamond '3/4 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.70-carat total
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, White Gold
18 Karat Rose Gold Oval Halo Diamond '3/4 Carat'
Located in San Francisco, CA
This delicate pendant features one oval-shaped diamond that is approximately 0.70-carat total
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Rose Gold
18 Karat White Gold Sapphire Diamond Floral Drop Day & Night Earring 2.45 Carats
By Harbor Diamonds
Located in New York, NY
18 Karat white gold earrings featuring two blue Sapphires weighing 1.45 carats flanked with round
Category
2010s Contemporary Drop Earrings
Materials
Diamond, Sapphire, White Gold
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W 0.5 in L 1.25 in
18 Karat Rose Gold Oval Eternity Diamond Ring '3 Carat'
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 22 Oval shape Natural Diamonds in a total weight of
Category
21st Century and Contemporary American Band Rings
Materials
Diamond, Rose Gold
18 Karat Yellow Gold Oval Eternity Diamond Ring '3 Carat'
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 22 Oval shape Natural Diamonds in a total weight of
Category
21st Century and Contemporary American Band Rings
Materials
Diamond, Yellow Gold
18 Karat White Gold Oval Eternity Diamond Ring '3 Carat'
Located in San Francisco, CA
This Eternity Ring showcase perfectly matched 22 Oval shape Natural Diamonds in a total weight of
Category
21st Century and Contemporary American Band Rings
Materials
Diamond, White Gold
11 Carat Oval Tanzanite and 12 Carat Diamonds Necklace 18 Karat Gold Estate
Located in New York, NY
This extraordinary Necklace is consist of 7 Fine oval Tanzanite weighing approximately 11 Carats
Category
20th Century Drop Necklaces
Materials
Diamond, Tanzanite, 18k Gold
Bespoke 3.50 Carat Green Emerald 1.50 Carat Marquise 18 Kt Gold Diamond Earrings
By Hasbani Diamonds
Located in London, GB
expertly contrasted with the pure radiance of 1.50 Carat Marquise White Diamonds. Set in 18 Karat White
Category
2010s British Modern Stud Earrings
Materials
Diamond, White Diamond, Emerald, White Gold, Gold, 18k Gold
Diamond Pink Sapphire Pink Freshwater Pearl 2.32 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold drop earrings featuring two oval shape pink sapphires, 1.85 carats, flanked with
Category
2010s American Contemporary Drop Earrings
Materials
Diamond, Freshwater Pearl, Pink Sapphire, White Gold
Diamond Ruby 1.66ct Cluster Earrings Round Oval Studs Modern 18 Karat White Gold
By Hasbani Diamonds
Located in London, GB
Graceful and striking 1.66 Carat total ruby and diamond Cluster earrings, The brilliant oval ruby
Category
2010s British Modern Stud Earrings
Materials
Sapphire, Pink Sapphire, Green Sapphire, Tanzanite, Tiger's Eye, Topaz, ...
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W 0.32 in L 0.4 in
Diamond Ruby 1.50 Cluster Earrings Round Oval Studs Modern 18 Karat White Gold
By Hasbani Diamonds
Located in London, GB
Elegant and striking 1.60 Carat total diamond and ruby Cluster earrings, The radiant oval ruby in
Category
2010s British Modern Stud Earrings
Materials
Aquamarine, Carnelian, Chalcedony, Citrine, Diamond, White Diamond, Emer...
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W 0.36 in L 0.44 in
Bespoke Halo Mount for 3-5 Carat Yellow White Diamond Oval Shape Platinum Ring
By Hasbani Diamonds
Located in London, GB
This Spectacular Bespoke mount is suitable for a 3 - 5 Carat center diamond with 0.93 Carat of
Category
2010s British Modern Engagement Rings
Materials
Amethyst, Aquamarine, Citrine, Diamond, White Diamond, Pink Diamond, Eme...
30 Carat Oval Shape Natural Emerald & 23 Carat Diamond Necklace in 18 Karat Gold
Located in New York, NY
30 Carat Oval Shape Natural Emerald & 23 Carat Diamond Necklace in 18 Karat Gold
This spectacular
Category
2010s Drop Necklaces
Materials
Diamond, Emerald, 18k Gold
Free Shipping
L 16 in
Vivid Diamonds 4.31 Carat Diamond Eternity Band
By Vivid Diamonds
Located in Miami, FL
Exquisite Vivid Diamonds eternity band crafted by hand in Platinum, showcasing 18 stunning oval cut
Category
21st Century and Contemporary Modern Band Rings
Materials
Diamond, Platinum
Vivid Diamonds 3.66 Carat Diamond Eternity Band
By Vivid Diamonds
Located in Miami, FL
Exquisite Vivid Diamonds eternity band crafted in Platinum, showcasing 18 stunning oval cut
Category
21st Century and Contemporary Modern Band Rings
Materials
Diamond, Platinum
13.36 Carat Oval and Round Diamond 18 Karat Gold Tennis Bracelet
By Claris-A
Located in Monte Carlo, MC
Exceptional 18 karat gold and diamond tennis bracelet: Twelve oval cut diamond about 0.75 carat
Category
21st Century and Contemporary Contemporary Tennis Bracelets
Materials
Diamond, White Diamond, 18k Gold, Gold, White Gold
Vintage 18 Carat Oval Patroke Kunzite and Diamond Pendant Necklace
Located in Montreal, QC
. Centering a Hand set securely nestled Oval Patroke Kunzite, weighing approx. 18 Carats, accented by Diamonds
Category
21st Century and Contemporary Modern Pendant Necklaces
Materials
Diamond, Kunzite
47 Carat Oval Tanzanite and 8 Carat Diamonds Necklace 18 Karat White Gold Estate
Located in New York, NY
Carats. There are total of approximately 8.5 carats of shimmering white diamonds,
The clear, intense
Category
20th Century Drop Necklaces
Materials
Diamond, Tanzanite, 18k Gold
Free Shipping
L 16 in
16.6 Carat Rubelite Diamond 18 Karat Oval Cocktail Ring
By Meghna Jewels
Located in Hoffman Estate, IL
a striking 16.6 carats Rubelite and 1.5 carats of glimmering diamonds.
The ring is a size 7 and
Category
21st Century and Contemporary Unknown Contemporary Cocktail Rings
Materials
Rubelite, Diamond, 18k Gold
7.5 Carat Oval Rubellite and 1 Carat Diamond 18 Karat Gold Cocktail Ring Estate
Located in New York, NY
7.5 Carat Oval Rubellite & 1 Carat Diamond 18 Karat Gold Cocktail Ring Estate
A classic, Cocktail
Category
2010s Cocktail Rings
Materials
Diamond, Tourmaline, 18k Gold
17 Carat Oval Sapphire and 3.5 Carat Diamonds Necklace 18 Karat Yellow Gold
Located in New York, NY
. There are total of approximately 3.5 carats of shimmering white diamonds,
Necklace is set in 18
Category
20th Century Drop Necklaces
Materials
Diamond, Sapphire, 18k Gold, Yellow Gold
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18 Carat Oval Diamond For Sale on 1stDibs
On 1stDibs, you can find the most appropriate 18 carat oval diamond for your needs in our varied inventory. Each design created in this style — which was crafted with great care and often made from gold, 18k gold and white 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 18 carat oval diamond may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 18th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. Creating a 18 carat oval diamond has been a part of the legacy of many jewelers, but those produced by Sunita Nahata, Roman Malakov and Royaal Stones Ltd are consistently popular. An oval cut version of this piece has appeal, but there are also round cut and cabochon versions for sale. When shopping for a 18 carat oval diamond, you’ll find that there are less available pieces for unisex or men today than there are for women.
How Much is a 18 Carat Oval Diamond?
Prices for a 18 carat oval diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1 and can go as high as $2,887,500, while this accessory, on average, fetches $6,286.
Questions About 18 Carat Oval Diamond
- 1stDibs ExpertAugust 24, 2021A 2 carat oval diamond is approximately 10.23mm × 6.82mm × 4.16mm in size. These diamonds usually have an approximate face-up area of 57.21 mm². Find a variety of diamonds on 1stDibs.
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