18 Carat Diamond Solitaire
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472
1,661
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1,213
671
350
117
117
62
32
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7
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2
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5
97
1,077
2,916
68
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120
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49
68
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73
5
345
85
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46
2,660
1,411
27
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3,940
3,171
1,867
1,094
350
3,853
695
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284
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1158
519
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Leo Round Diamond 1.01 Carat Solitaire Ring Platinum and 18 Karat White Gold
By The Leo Diamond
Located in San Diego, CA
Leo Diamond Engagement Ring
Style: 4 - Prong Solitaire
Certification: IGI 7092060A
Metal: 18kt
Category
Early 2000s Solitaire Rings
Materials
Diamond, 18k Gold, White Gold, Platinum
Roberto Coin 18 Carat White Gold Diamond Solitaire Ring
By Roberto Coin
Located in Rome, IT
Roberto Coin Cento 18K White Gold 1.10 ct Round Brilliant Cut Diamond C Profile Solitaire
Category
2010s Italian Contemporary Solitaire Rings
Materials
Diamond, White Diamond, 18k Gold, White Gold
Solitaire 2 Golds Diamond in 18 Carat Gold
Located in LILLE, FR
Solitaire in 18 carat gold, 750 thousandths, and diamond of 0.50 carat K color SI quality. 2 golds
Category
Mid-20th Century French Solitaire Rings
Materials
Diamond, Gold, 18k Gold
Certified 2 Carats Diamond 18 Carats White Gold Solitaire Ring
Located in Paris, FR
Exceptional solitaire presenting in its middle a brilliant diamond of 2 carats supported by six
Category
Early 2000s French Modern Solitaire Rings
Materials
Diamond, White Gold
Modern Diamond an 18 Carat Gold Solitaire Ring
Located in Chipping Campden, GB
The design of the ring is so simple and beautiful. The diamond measures 30pts and is set in
Category
Vintage 1980s British Modern Solitaire Rings
Materials
Diamond, Gold
18 Karat Rose Gold 0.74 Carat Diamond Solitaire Ring
By Gems Paradise
Located in Jaipur, IN
Experience the timeless allure of our 18 Karat Rose Gold 0.74 Carat Diamond Solitaire Ring—a
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, 18k Gold
18 Karat White Gold 0.74 Carat Diamond Solitaire Ring
By Gems Paradise
Located in Jaipur, IN
Experience the timeless allure of our 18 Karat White Gold 0.74 Carat Diamond Solitaire Ring—a
Category
2010s Indian Contemporary Solitaire Rings
Materials
Diamond, 18k Gold
18 Karat Yellow Gold 0.74 Carat Diamond Solitaire Ring
By Gems Paradise
Located in Jaipur, IN
Experience the timeless allure of our 18 Karat Yellow Gold 0.74 Carat Diamond Solitaire Ring—a
Category
2010s Indian Contemporary Solitaire Rings
Materials
Diamond, 18k Gold
Contemporary 0.66 Carat Solitaire Diamond Engagement Ring 18 Carat White Gold
Located in Hamilton, AU
Forged in 18 carat white gold, this fabulous contemporary solitaire ring features a gorgeous 0.66
Category
21st Century and Contemporary Unknown Contemporary Solitaire Rings
Materials
Diamond, Gold, 18k Gold, White Gold
2.2 Carat Diamond Solitaire Flower Ring, 18 Karat White Gold
Located in Berlin, DE
Stunning 2.2 Carat Diamond Solitaire Ring, 18 Karat White Gold. Set with seven white diamonds.
1 x
Category
20th Century Solitaire Rings
Materials
Diamond, White Diamond, 18k Gold, White Gold
Vintage Aquamarine and Diamond 18 Carat Gold Solitaire Ring
Located in Chipping Campden, GB
of the stone are diamonds which total 30pts. The ring is modelled in 18ct gold and diamonds set in
Category
Vintage 1970s British Solitaire Rings
Materials
Aquamarine, Diamond, Gold
Vintage Aquamarine and Diamond 18 Carat Gold Solitaire Ring
Located in Chipping Campden, GB
stone are diamonds which total 30pts. The ring is modelled in 18ct gold. Fully hallmarked London 1977
Category
Vintage 1970s British Solitaire Rings
Materials
Aquamarine, Diamond, Gold
18 carat yellow gold solitaire round brillant cut diamond ring
Located in Monte-Carlo, MC
18 carat yellow gold solitaire ring designed with 1 round brillant cut diamond weighing 0.34 carat
Category
2010s Solitaire Rings
Materials
Diamond, Yellow Gold
Art Deco Diamond an 18 Carat Gold Solitaire Ring
Located in Chipping Campden, GB
The design of the ring is so simple and beautiful. The diamond measures 35pts and is set in
Category
Vintage 1920s British Art Deco Solitaire Rings
Materials
Diamond, Gold
Vintage Aquamarine and Diamond 18 Carat Gold Solitaire Ring
Located in Chipping Campden, GB
sits a pair of diamonds measuring a total of 5pts set in platinum.
Ring Size: M 1/2 or 6 1/2
Stone
Category
Vintage 1980s British Modern Solitaire Rings
Materials
Aquamarine, Diamond, Gold
Art Deco Diamond and 18 Carat Gold Solitaire Ring
Located in Chipping Campden, GB
The brilliant cut diamond set within this gorgeous 18ct gold band is so sparkly and bright. It
Category
Vintage 1920s British Art Deco Solitaire Rings
Materials
Diamond, Gold
18 Karat Gold 2.88 Carat Multi-Colored Diamond and Diamond Solitaire Ring
By Gems Paradise
Located in Jaipur, IN
Step into a world of timeless elegance with our 18 Karat Gold 2.88 Carat Fancy Yellow Diamond and
Category
2010s Indian Contemporary Solitaire Rings
Materials
Diamond, Yellow Diamond, Pink Diamond, 18k Gold
Edwardian Diamond Platinum and 18 Carat Yellow Gold Solitaire Ring
Located in Chipping Campden, GB
A stunning Edwardian diamond solitaire ring. The beautiful old European cut diamond measure
Category
Vintage 1910s Unknown Edwardian Solitaire Rings
Materials
Diamond, 18k Gold, Platinum
18 Karat White Gold Ring Set with 1.11 Carat White Solitaire Diamond
Located in Berlin, DE
White gold ring with 1.11 carat solitaire diamond. Hallmarked.
Color G
Clarity VS2
Cut very good
Category
20th Century Solitaire Rings
Materials
Diamond, White Diamond, 18k Gold, White Gold
18 Karat White Gold 2.03 Carat Solitaire Fancy Diamond Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat White Gold 2.03 Carat Solitaire Fancy Diamond Ring
Want to reflect your modern
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, 18k Gold, White Gold
Contemporary 0.50 Carat GIA Certified Diamond Solitaire Ring 18 Carat White Gold
Located in Hamilton, AU
Forged in 18 carat white gold, this stunning contemporary solitaire ring features a gorgeous GIA
Category
21st Century and Contemporary Unknown Contemporary Solitaire Rings
Materials
Diamond, Gold, 18k Gold, White Gold
Tiffany Harmony 0.20 Carat Solitaire Diamond Ring PT950 with 18 Pave Diamonds
By Tiffany & Co.
Located in Kobe, Hyogo
Item: Authentic Tiffany Harmony Solitaire Diamond Ring
Stones: Diamond / 0.20ct (center stone
Category
2010s American Solitaire Rings
Materials
Diamond, Platinum
Art Deco Diamond, 18 Carat Gold and Platinum Solitaire Ring
Located in Chipping Campden, GB
This beautiful solitaire ring holds and old mine cut diamond that measures 50pts. The stone is set
Category
Vintage 1930s Unknown Solitaire Rings
Materials
Diamond, 18k Gold, Platinum, Gold
Contemporary 0.55 Carat Marquise Cut Diamond Solitaire Ring 18 Carat White Gold
Located in Hamilton, AU
Ring is a symbol of love and hope resting atop an 18 carat white gold band. A wonder to behold, her
Category
21st Century and Contemporary Unknown Contemporary Solitaire Rings
Materials
Diamond, Gold, 18k Gold, White Gold
18 Karat Yellow Gold Oval Brown 2.07 Carat Diamond Solitaire Ring
By Vitale 1913
Located in Monte-Carlo, MC
oval shape brown diamond in total of 2.07 Carat which is decorate by round colorless diamonds in total
Category
2010s Italian Contemporary Solitaire Rings
Materials
Diamond, White Diamond, Brown Diamond, 18k Gold, Yellow Gold
18 Karat White Gold 0.74 Carat Diamond Solitaire Style Ring
Located in Southampton, GB
.
Diamond Weight: 0.74ct
Diamond Colour: I
Diamond Clarity: VS
Total Ring Weight: 8.1g
Ring Material: 18ct
Category
20th Century Unknown Solitaire Rings
Materials
Diamond, White Gold
Art Deco Citrine and Diamond 18 Carat Gold Solitaire Ring
Located in Chipping Campden, GB
This Art Deco solitaire holds a round citrine stone held in a platinum claw setting. The shoulders
Category
Vintage 1920s British Art Deco Solitaire Rings
Materials
Citrine, Diamond, Platinum, Gold
1.6 Carat three stone Diamond, Solitaire Ring, 18 Karat White Gold
Located in Berlin, DE
Beautiful diamond ring set with three white brilliant solitaires totaling approx. 1.61 carats (0.53
Category
20th Century Solitaire Rings
Materials
Diamond, White Diamond, 18k Gold, White Gold
Modern Princess Cut Diamond and 18 Carat Gold Solitaire Ring
Located in Chipping Campden, GB
The design of the ring is so simple and beautiful. The princess cut diamond measures 35pts and is
Category
Vintage 1980s British Modern Solitaire Rings
Materials
Diamond, Gold
15.5 Carat Turquoise Mountain Turquoise & Diamond 18 Karat Solitaire Ring
By Vicki Orr Designs
Located in Naples, FL
15.5 carat Turquoise Mountain (Arizona) Turquoise and accent white diamonds in a brushed, satin 18k
Category
2010s American Contemporary Solitaire Rings
Materials
Diamond, Turquoise, Turquoise Matrix, Gold, 18k Gold, Yellow Gold
18 Carat Tourmaline Solitaire Ring with Diamond Accents in Rose Gold
Located in Sherman Oaks, CA
Gorgeous Tourmaline ring
18k rose gold
Tourmaline approximately: 18 carats
Diamond weight
Category
Early 2000s American Modern Solitaire Rings
Materials
Tourmaline, 14k Gold
3.93 Carat Diamond and Yellow Gold Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive vintage 3.93 carat diamond and contemporary 18 karat yellow gold
Category
Vintage 1940s British Solitaire Rings
Materials
Diamond, Yellow Gold, 18k Gold
1 Carat Solitaire Emerald Cut Black Diamond Ring/Band 18 Karat White Gold
Located in New York, NY
1 Carat + Solitaire Black Diamond Emerald cut shape Traditional Ring/Band 18 Karat White Gold Size
Category
2010s Solitaire Rings
Materials
Diamond, Black Diamond, Gold, 18k Gold, White Gold
2.7 Carat "Circovette" Stacker Set of Three Diamond Solitaires in 18 Karat Gold
By Eytan Brandes
Located in Sherman Oaks, CA
stone is set in a hand-crafted bezel solitaire ring of 18 karat yellow gold. As a finishing tough
Category
2010s American Contemporary Solitaire Rings
Materials
Diamond, White Diamond, Brown Diamond, Gold, 18k Gold, Yellow Gold
GIA Certified 1.50 Carat Diamond in 18 Karat Yellow Gold Solitaire Bezel Band
By Eytan Brandes
Located in Sherman Oaks, CA
:
Diameter of bezel: 10.5mm
Diamond measurements: 7.15mm - 7.21mm x 4.62mm
Diamond weight: 1.5 carats
Category
2010s American Contemporary Solitaire Rings
Materials
Diamond, White Diamond, Gold, 18k Gold, Yellow Gold
18 Karat White Gold Eternity Solitaire Diamond Ring
Located in Berlin, DE
18 Karat White Gold Eternity Solitaire Diamond Ring.
Set with a large solitaire and many small
Category
20th Century German Modern Solitaire Rings
Materials
Diamond, White Diamond, 18k Gold, White Gold
18 Karat White Gold 1.74 Carat Sapphire and Diamond Solitaire Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat White Gold 1.74 Carat Sapphire and Diamond Solitaire Ring
Timeless, elegant, and
Category
2010s Indian Contemporary Solitaire Rings
Materials
Diamond, Sapphire, 18k Gold, White Gold
1.65 Carat Padparadscha Sapphire Solitaire & Baguette Diamond 18 Karat Gold Ring
Located in METAIRIE, LA
Containing 1 Central Bezel set 1.65 carat Oval cut Natural Padparadscha Sapphire solitaire at 7.7mm
Category
Vintage 1970s Solitaire Rings
Materials
Diamond, Sapphire, Yellow Gold, 18k Gold
Old European Cut Solitaire 18 Carats White Gold Ring
Located in Rome, IT
crowned by a stunning 0.69ct old European cut diamond.
The diamond’s wide facets have an air of old world
Category
2010s Unknown Art Deco Solitaire Rings
Materials
Diamond, White Diamond, 18k Gold, White Gold
18 Karat Gold 2.33 Carat Fancy Yellow and Diamond Solitaire Cocktail Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat Gold 2.33 Carat Fancy Yellow and Diamond Solitaire Cocktail Contemporary Ring
Elevate
Category
2010s Indian Contemporary Solitaire Rings
Materials
Diamond, Yellow Diamond, Gold, 18k Gold
Art Deco Diamond Solitaire Ring in 18 Carat Gold, circa 1920
Located in Kendal, GB
An elegant Art Deco Diamond Solitaire ring claw set with a stunning old European cut Diamond in the
Category
20th Century Art Deco Solitaire Rings
Materials
Diamond, Gold, White Gold
18 Karat Gold 2.16 Carat Yellow and White Diamond Solitaire Modulation Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat Gold 2.16 Carat Yellow and White Diamond Solitaire Modulation Ring
Make a bold statement
Category
2010s Indian Contemporary Solitaire Rings
Materials
White Diamond, Yellow Diamond, 18k Gold
Solitaire wedding ring - 18 carat gold - 0.40ct
Located in Monte-Carlo, MC
Solitaire wedding ring in 18 carat gold set with 1 round brilliant cut diamond of 0.40 carats
Category
21st Century and Contemporary Solitaire Rings
Materials
Gold
18 Karat Gold 7.15 Carat Solitaire Diamond Old European Cut Ring
Located in Firenze, FI
A classic old european cut diamond and 18k white gold , set with a magnificent bright and lively
Category
Early 20th Century Italian Art Deco Solitaire Rings
Materials
Diamond, Gold
French 1950s 3, 45 Carats Diamond 18 Karats White Gold Solitaire Ring
Located in Poitiers, FR
elegant diamond solitaire ring, its setting consists of a half-bowed ring, which holds two half-moon
Category
Vintage 1950s French Retro Solitaire Rings
Materials
Diamond, White Diamond, Gold, 18k Gold, White Gold, Platinum
18 Karat Gold 0.63 Carat Solitaire Engagement Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat Gold 0.63 Carat Solitaire Engagement Ring
Solitaires compliment the queen, and you ladies
Category
2010s Asian Neoclassical Solitaire Rings
Materials
Diamond, Gold, 18k Gold
Certified 0.36 Carat Diamond Set in 18 Karat Yellow Gold "Comet" Solitaire Ring
Located in Sherman Oaks, CA
Like a comet with a diamond head and a golden tail, this sleek and modern ring features a bright
Category
Early 2000s Israeli Contemporary Solitaire Rings
Materials
Diamond, White Diamond, Gold, 18k Gold, Yellow Gold
Modern Princess Cut Diamond and 18 Carat White Gold Solitaire Ring
Located in Chipping Campden, GB
The design of the ring is so simple and beautiful. The princess cut diamond measures 35pts and is
Category
Vintage 1980s British Modern Solitaire Rings
Materials
Diamond, White Gold
18 Karat White Gold Diamond Solitaire Ring
Located in Los Angeles, CA
This diamond solitaire ring is crafted in 18-karat white gold, featuring 24 round white diamonds
Category
2010s American Solitaire Rings
Materials
Diamond, White Gold
18 Karat Yellow Gold 0.70 Carat Diamond Brilliant-Cut Solitaire Engagement Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat Yellow Gold 0.70 Carat Diamond Brilliant-Cut Solitaire Engagement Ring
This magnificent
Category
2010s Indian Contemporary Solitaire Rings
Materials
Diamond, Gold, 18k Gold, Yellow Gold
GIA Certified 2.01 Carat Diamond in 18 Karat Yellow Gold Solitaire Ring
By FERRUCCI
Located in New York, NY
GIA Certified 2.01 Carat white round diamond, color F, clarity VVS2, triple Excellent in Cut
Category
2010s American Modern Solitaire Rings
Materials
White Diamond, Diamond, 18k Gold, Yellow Gold
18 Karat Gold 11.41 Carat Pink Morganite and Diamond Solitaire Cocktail Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat White Gold 11.41 Carat Pink Morganite and Diamond Solitaire Cocktail Ring
This glorious
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, Morganite, 18k Gold, White Gold
TJD 1.25 Carat Round Diamond 18 Karat White Gold Solitaire Engagement Ring
By TJD
Located in New York, NY
This Solitaire Engagement Ring is expertly crafted in 18 Karat white gold and features 1.00 ct
Category
21st Century and Contemporary Solitaire Rings
Materials
Diamond, White Gold
18 Karat White Gold Diamond Solitaire Ring
By Vitale 1913
Located in Monte-Carlo, MC
jewellery is made of natural white diamonds in total of 0.31 Carat. Total metal weight is 4.9 gr. Great for
Category
2010s Italian Contemporary Solitaire Rings
Materials
Diamond, White Diamond, 18k Gold, White Gold
18 Karat Yellow Gold 5.06 Carat Natural Emerald and Diamond Solitaire Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat Yellow Gold 5.06 Carat Natural Emerald and Diamond Solitaire Ring
This glorious trinity
Category
2010s Indian Modern Solitaire Rings
Materials
Diamond, Emerald, Gold, 18k Gold, Yellow Gold
2.04 Carat Diamond Gold Platinum Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive 2.04 carat asscher cut diamond and 18 karat yellow gold, platinum
Category
2010s Scottish Contemporary Solitaire Rings
Materials
Diamond, Gold, 18k Gold, Platinum, Yellow Gold
Natural 0.61 Carat Solitaire Marquise Diamond Ring 18 Karat White Gold Jewelry
By Spectrum Jewels
Located in IN
Embrace the timeless elegance and sophistication of this Natural 0.61 Carat Solitaire Marquise
Category
21st Century and Contemporary Indian Modern Solitaire Rings
Materials
Diamond, 18k Gold, White Gold
18 Karat Gold 2.54 Carat Fancy Yellow and Diamond Solitaire Cluster Modern Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat Gold 2.54 Carat Fancy Yellow and Diamond Solitaire Cluster Modern Ring
Elevate your
Category
2010s Indian Contemporary Solitaire Rings
Materials
Diamond, Yellow Diamond, Gold, 18k Gold
Solitaire wedding ring in 18 carat gold set with 1 round-cut diamond
Located in Monte-Carlo, MC
Solitaire wedding ring in 18 carat gold set with 1 round-cut diamond totalling 1.20 carats. Colour
Category
21st Century and Contemporary Solitaire Rings
Materials
Diamond, Gold
3.48 Carat Ruby and Diamond Solitaire Ring in Platinum and 18 Karat
Located in Wailea, HI
3.48 carat Ruby and Diamond Solitaire Ring in Platinum and 18k
A Lively 3.48 carat Cushion
Category
Late 20th Century American Solitaire Rings
Materials
White Diamond, Ruby, Platinum, 18k Gold
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18 Carat Diamond Solitaire For Sale on 1stDibs
Surely you’ll find the exact 18 carat diamond solitaire you’re seeking on 1stDibs — we’ve got a vast assortment for sale. 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. Find an antique version now, or shop for 1832 vintage or 2805 modern creation for a more contemporary example of these cherished accessories. Finding the perfect 18 carat diamond solitaire may mean sifting through those created during different time periods — you can find an early version that dates to the 18th Century and a newer variation that were made as recently as the 21st Century. For this particular piece, .5 carat and 1 carat are consistently popular carat weights. Creating a 18 carat diamond solitaire has been a part of the legacy of many jewelers, but those produced by Gems Paradise, Gems and Jewels UK and Georgios Collections Inc are consistently popular. A round cut version of this piece has appeal, but there are also oval cut and emerald cut versions for sale. When shopping for a 18 carat diamond solitaire, 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 Diamond Solitaire?
On average, a 18 carat diamond solitaire at 1stDibs sells for $3,986, while they’re typically $1 on the low end and $1,125,000 for the highest priced versions of this item.
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