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18 Carat Solitaire Diamond Ring

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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

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

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

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

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

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

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

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

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 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

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 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

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

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

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 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

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

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 Citrine and Diamond 18 Carat Gold Solitaire Ring
Located in Chipping Campden, GB
each have a diamond point and are also modelled in platinum. Citrine measures 1.5ct. Ring Size: M 1/2
Category

Vintage 1920s British Art Deco Solitaire Rings

Materials

Citrine, Diamond, 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

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

18 Karat Yellow Gold Oval Brown 2.07 Carat Diamond Solitaire Ring
By Vitale 1913
Located in Monte-Carlo, MC
This 18K yellow gold stunning solitaire ring is from our Divine Collection. The centre stone is
Category

2010s Italian Contemporary Solitaire Rings

Materials

Diamond, White Diamond, Brown Diamond, 18k Gold, Yellow 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

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

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 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 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

Old European Cut Solitaire 18 Carats White Gold Ring
Located in Rome, IT
sophisticated, perfect for an enduring engagement or right hand ring! Graded H for color, the 0.69ct diamond is
Category

2010s Unknown Art Deco Solitaire Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

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

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 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

18 Karat White Gold Diamond Solitaire Ring
By Vitale 1913
Located in Monte-Carlo, MC
18K white gold solitaire engagement ring is from Timeless Collection. This elegant piece of
Category

2010s Italian Contemporary Solitaire Rings

Materials

Diamond, White Diamond, 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

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

2.04 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

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 2.33 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

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

18 Karat White Gold Diamond Solitaire Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat White Gold Diamond Solitaire Ring Coming from the house of classic style, this diamond
Category

2010s Indian Modern Solitaire Rings

Materials

Diamond, Gold, 18k Gold, White 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 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

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

18 Karat White Gold Diamond Solitaire Ring
Located in Macau, MO
A square modified brilliant diamonds weighing 2.00 carats, mounted in 18 karat white gold. A very
Category

2010s Hong Kong Contemporary Solitaire Rings

Materials

Diamond, 18k Gold, White Gold

Antique 3.40 Carat Diamond and White Gold Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 3.40 carat diamond and 18 karat white gold solitaire ring
Category

Vintage 1930s Unknown 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

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

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 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

1.50 Carat Lilac Sapphire Solitaire Engagement Ring 18 Karat Gold
By Emeralds Maravellous
Located in US
& white gold shank / Diamond accent approx. 0.16ct G-VS. This gorgeous engagement ring weighs approx. 4g
Category

21st Century and Contemporary American Modern Solitaire Rings

Materials

Diamond, Sapphire, Gold, 18k Gold

Diamond Yellow Gold Gent's Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive 0.48 carat diamond and 18 karat yellow gold gent's solitaire ring; part of
Category

Antique 1880s British Solitaire Rings

Materials

Diamond, 18k Gold, Yellow Gold

18 Karat White Gold Diamond Solitaire Illusion Ring
Located in Los Angeles, CA
This small version of diamond solitaire illusion ring is crafted in 18-karat white gold, featuring
Category

2010s American Solitaire Rings

Materials

Diamond, White Gold

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18 Carat Solitaire Diamond Ring For Sale on 1stDibs

Find the exact 18 carat solitaire diamond ring you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using gold, 18k gold and white gold. You can easily find a 2587 antique edition and 3402 modern creations to choose from as well. Making the right choice when shopping for a 18 carat solitaire diamond ring 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 solitaire diamond ring has been a part of the legacy of many jewelers, but those produced by Antinori Fine Jewels, Gems Paradise and Tiffany & Co. are consistently popular. 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 oval cut and old european cut alternatives. Most of our 18 carat solitaire diamond ring for sale are for women, but there are 1768 pieces available to browse for men.

How Much is a 18 Carat Solitaire Diamond Ring?

The price for a 18 carat solitaire diamond ring starts at $1 and tops out at $6,675,000 with these rings, on average, selling for $5,022.

Finding the Right rings for You

Antique and vintage rings have long held a special place in the hearts of fine jewelry lovers all over the world.

No matter their origin or specific characteristics, rings are timeless, versatile accessories. They’ve carried deep meaning since at least the Middle Ages, when diamond rings symbolized strength and other kinds of rings were worn to signify romantic feelings or to denote an affiliation with a religious order. Rings have also forever been emblematic of eternity.

Over time, rings have frequently taken the form of serpents, which have long been associated with eternal life, health and renewal. Italian luxury jewelry house Bulgari has become famous for its widely loved Serpenti motif, for example, and its Serpenti ring, like the other accessories in the collection, began as an homage to jewelry of the Roman and Hellenistic eras. The serpent is now a popular motif in fine jewelry. Jewelry devotees have long pined for rings adorned with reptiles, thanks to antique Victorian rings — well, specifically, Queen Victoria’s illustrious engagement ring, which took the form of a gold snake set with rubies, diamonds and an emerald (her birthstone). Designs for Victorian-era engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal.

Engagement rings, which are reliably intimidating to shop for, are still widely recognized as symbols of love and commitment. On 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

The most collectible antique engagement rings and vintage engagement rings are those from the Victorian, Edwardian and Art Deco eras. Named for the monarchies of the four King Georges, who in succession ruled England starting in 1714 (plus King William’s reign), antique Georgian rings, be they engagement rings or otherwise, are also coveted by collectors. Pearls, along with colored gemstones like garnets, rubies and sapphires, were widely used in Georgian jewelry. The late-1700s paste jewelry was a predecessor to what we now call fashion or costume jewelry

The Art Nouveau movement (1880–1910) brought with it rings inspired by the natural world. Antique Art Nouveau rings might feature depictions of winged insects and fauna as well as women, who were simultaneously eroticized and romanticized, frequently with long flowing hair. Art Deco jewelry, on the other hand, which originated during the 1920s and ’30s, is by and large “white jewelry.” White metals, primarily platinum, were favored over yellow gold in the design of antique Art Deco rings and other accessories as well as geometric motifs, with women drawn to the era’s dazzling cocktail rings in particular.

Whether you’re hunting down a chunky classic for a Prohibition-themed cocktail party or seeking a clean contemporary design to complement your casual ensemble, find an exquisite collection of antique, new and vintage rings on 1stDibs.