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1ct Diamond Solitaire

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Diamond 1 Ct. Solitaire Brilliant Ring Art Nouveau, 14k Yellow Gold
Located in Berlin, BE
sophistication. The centerpiece of this ring is a breathtaking 1-carat old cut brilliant diamond, expertly
Category

Late 20th Century German Solitaire Rings

Materials

Diamond, 14k Gold

Magnificent 18k Yellow Gold Solitaire Ring 1ct Natural Diamond GIA Certificate
Located in רמת גן, IL
A simple yet gorgeous solitaire ring with a dazzling 1-carat cushion natural diamond in IVVS1. The
Category

2010s Israeli Solitaire Rings

Materials

Diamond, 18k Gold, Yellow Gold

ANGARA 1ct Ruby Solitaire Ring with Trio Diamond Accents in Platinum
By ANGARA INC.
Located in Los Angeles, CA
Horizontally secured at the center of this gorgeous solitaire ring is an oval ruby. Trios of
Category

21st Century and Contemporary American Modern Solitaire Rings

Materials

Diamond, Ruby, Platinum

GIA Certified 1 Ct F Color VVS Clarity Round Brilliant Diamond Solitaire Ring
By Antinori Fine Jewels
Located in Rome, IT
white gold solitaire setting, this diamond is a testament to sophistication and timeless beauty. The
Category

2010s Unknown Contemporary Solitaire Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Beautiful 18k Rose Gold Solitaire Ring w/ 1 ct Natural Diamonds GIA Certificate
Located in רמת גן, IL
A beautiful classic solitaire ring with a dazzling 1 carat Round Brilliant natural diamond in FVVS1
Category

2010s Israeli Solitaire Rings

Materials

Diamond, 18k Gold, Rose Gold

1ct Citrine and Diamond Reef Knot solitaire in 18k yellow gold with diamonds
Located in Brisbane, AU
1ct Reef Knot Citrine and diamond ring Solitiare 1ct emerald cut citrine 2 x hidden FSI white
Category

2010s Australian Artisan Solitaire Rings

Materials

Citrine, Diamond, Rose Gold, White Gold, Yellow Gold, 18k Gold

Dazzling 18k White Gold Solitaire Ring w/ 1ct Natural Diamonds GIA Certificate
Located in רמת גן, IL
A beautiful classic solitaire ring with a dazzling 1 carat Round Brilliant natural diamond in EVVS2
Category

2010s Israeli Solitaire Rings

Materials

Diamond, 18k Gold, White Gold

1ct Blue Princess Diamond Solitaire Engagement Ring 18k Gold Sz 6.5 Celtic Knots
Located in McLeansville, NC
Gemstone Information: *Natural Diamond* Carats - 1ct Cut - Princess Color - Irradiated Blue Clarity
Category

2010s Solitaire Rings

Materials

Diamond, 18k Gold

1ct Round Solitaire Diamond Ring with Double Halo Setting in 18k Solid Gold
Located in New Delhi, DL
This ring is made of 18k solid gold, featuring a 1-carat round solitaire diamond in the center. The
Category

21st Century and Contemporary Indian Art Deco Solitaire Rings

Materials

Diamond, Yellow Gold, White Gold, Rose Gold, 18k Gold, Gold

1 Ct Natural Pink Sapphire & 1.25 Ct Diamond Ring in Platinum
Located in New York, NY
A classic, Ring 1 Ct Oval Pink Sapphire & 1.25 Ct Diamond Ring in Platinum Natural Pink Sapphire
Category

Early 2000s Solitaire Rings

Materials

Diamond, Pink Sapphire, Platinum

1ct Tanzanite Diamond ring size 7
Located in Boca Raton, FL
Solitaire ring made with 1ct tanzanite in 14Kt white gold. Metal Type: 14KT Natural Tanzanite(s
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, Tanzanite, 14k Gold

1 Ct Round Pink Sapphire & 1.5 Ct Diamond 18 Karat White Gold Ring, Estate
Located in New York, NY
A classic, Ring weight of 1 Ct natural Pink sapphire and 1.5 ct Round Diamond 18 Karat White
Category

Early 2000s Solitaire Rings

Materials

Diamond, Pink Sapphire, 18k Gold, White Gold

IGI Certified 1, 5 Ct of Emerald Cut Diamond on Ring
Located in Massafra, IT
Exclusive solitaire ring in 18k gold with a natural diamond emerald cut 1,5 carats, G/SI1. Complete
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, 18k Gold

2.5 Ct Natural Marquis Ruby & 1 Ct Dancing Diamond 18 Kt White Gold Ring Size 6
Located in New York, NY
2.5 Ct Natural Marquis Ruby & 1 Ct Dancing Diamond 18 Kt White Gold Ring Size 6 Introducing our
Category

2010s Solitaire Rings

Materials

Diamond, Ruby, Gold, 18k Gold, White Gold

1.78 Carat Diamond and Platinum Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive 1.78 carat diamond and platinum solitaire ring; part of our diverse
Category

Vintage 1910s Unknown Solitaire Rings

Materials

Diamond, Platinum

1 ct Emerald cut moissanite 14k gold ring
Located in Istanbul, TR
1 ct Emerald cut moissanite 14k gold ring. Diamond like moissanite ring. Emerald cut moissanite
Category

2010s Turkish Modern Solitaire Rings

Materials

Diamond, 14k Gold

1 ct Princess cut moissanite 14k gold ring
Located in Istanbul, TR
1 ct Princess cut moissanite 14k gold ring. Diamond like moissanite ring. Princess cut moissanite
Category

2010s Turkish Modern Solitaire Rings

Materials

Diamond, 14k Gold

1 ct Princess cut moissanite 14k gold ring
Located in Istanbul, TR
1 ct Princess cut moissanite 14k gold ring. Diamond like moissanite ring. Princess cut moissanite
Category

2010s Turkish Modern Solitaire Rings

Materials

Diamond, 14k Gold

1 ct Emerald cut moissanite 14k gold ring
Located in Istanbul, TR
1 ct Emerald cut moissanite 14k gold ring. Diamond like moissanite ring. Emerald cut moissanite
Category

2010s Turkish Modern Solitaire Rings

Materials

Diamond, 14k Gold

1 ct Emerald cut moissanite 14k gold ring
Located in Istanbul, TR
1 ct Emerald cut moissanite 14k gold ring. Diamond like moissanite ring. Emerald cut moissanite
Category

2010s Asian Modern Solitaire Rings

Materials

Diamond, 14k Gold

1 Ct Round Pink Sapphire 2 Baguettes Diamond in Platinum Ring, Estate
Located in New York, NY
A classic, Ring weight of 1 Ct natural Pink sapphire and two Baguettes Diamond Ring made in
Category

Early 2000s Solitaire Rings

Materials

Diamond, Pink Sapphire, Platinum

Antique Diamond and White Gold Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
; part of our diamond jewelry/estate jewelry collections. This impressive diamond solitaire ring has
Category

Vintage 1910s Unknown Solitaire Rings

Materials

Diamond, 18k Gold, White Gold

1.28 Carat Diamond and Platinum Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
A very fine and impressive vintage 1.28 Ct diamond and contemporary platinum solitaire ring; part
Category

1990s British Solitaire Rings

Materials

Diamond, Platinum

Pearl Solitaire Diamond Platinum Ring
Located in Napoli, IT
diamonds totalling approx .40 Ct (G-VVS/SI) UK size: K 1/2 US size: 5.5 Measures: head is 10 x 16 mm. (h. x
Category

Vintage 1960s European Contemporary Solitaire Rings

Materials

Diamond, Pearl, Platinum

3.93 Carat Diamond and Yellow Gold Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
This stunning contemporary diamond solitaire ring has been crafted in 18k yellow gold with an 18k white
Category

Vintage 1940s British Solitaire Rings

Materials

Diamond, Yellow Gold, 18k Gold

Marvelous 18k White Gold Engagement Ring w/ 1ct Natural Diamonds IGI Certificate
Located in רמת גן, IL
A sophisticated classic solitaire ring with a dazzling 1-carat round brilliant diamond. The jewelry
Category

2010s Israeli Solitaire Rings

Materials

Diamond, White Gold

Breathtaking 1ct. Round Brilliant Diamond Ring set in 18K White Gold
Located in רמת גן, IL
Own a Piece of Forever: Invest in eternity with this breathtaking 1-carat round brilliant diamond
Category

2010s Israeli Solitaire Rings

Materials

Diamond, 18k Gold, White Gold

1 carat synthetic diamond solitaire ring
Located in PARIS, FR
Stones: 1 synthetic diamond of 1ct (6mm X 6mm) Lab Ground IGI certified synthetic diamond, number
Category

2010s Solitaire Rings

Materials

Diamond, 18k Gold

Victorian Solitaire Rose Cut Diamond Ring
Located in Napoli, IT
: 1 rose cut diamond of 9 mm. in diameter (2.20 Ct by spread G/SI) UK size: N 3/4 US size: 7 Measures
Category

Antique Late 19th Century European Victorian Solitaire Rings

Materials

Diamond, 18k Gold

Art Deco Diamond Platinum Solitaire Ring
Located in Berlin, DE
Art Deco Style, 1920s. Old-mine-cut diamond weighing 3,40 ct. Clarity VVS2, Color M, Decorated by
Category

Early 20th Century American Art Deco Solitaire Rings

Materials

Diamond, Platinum

GIA Certified 1 Ct F Color VS Square Radiant Cut Diamond 18K White Gold Ring
By Antinori Fine Jewels
Located in Rome, IT
This stunning 1.00 carat F color VS Radiant Square Cut diamond ring in 18K white gold is a
Category

2010s Unknown Contemporary Solitaire Rings

Materials

Diamond, 18k Gold, White Gold

Art Deco Diamond Solitaire White Gold Ring
Located in Beverly Hills, CA
diamond weighing 1.40 ct. with L-M color and SI-1 clarity. The center stone is surrounded by twelve single
Category

Vintage 1930s Art Deco Solitaire Rings

Materials

Diamond, 14k Gold, White Gold

Victorian .35 Ct Diamond Solitaire Gent Ring
Located in Napoli, IT
gold, tested Hallmarks: none/worn Gems: 1 old European cut diamond of approx .35 Ct (G/VS) UK size: P 1
Category

Antique Late 19th Century European Victorian Solitaire Rings

Materials

Diamond, 15k Gold

Antique Ring 1ct Sapphire 1 ctw Diamonds solid 14K Rose ØUS 5.5 / 3.4gr
Located in SE
/ ca 1 ct. Sapphire is of medium /darker Blue variety with angular color zoning and inclusions well
Category

Early 20th Century European Art Deco Solitaire Rings

Materials

Diamond, Sapphire, Silver, 14k Gold

1910s Diamond and Rose Gold Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique 0.32 carat diamond and 14 karat rose gold, white gold set solitaire
Category

Vintage 1910s Unknown Solitaire Rings

Materials

Diamond, Gold, 14k Gold, Rose Gold

LAZARE KAPLAN Round Brilliant Diamond 1CT F VS1 Engagement Ring in 14kt WG GIA
Located in San Diego, CA
LAZARE KAPLAN Round Brilliant Diamond Solitaire Engagement Ring Style: 6-Prong Solitaire GIA
Category

2010s Solitaire Rings

Materials

Diamond, 14k Gold, White Gold

1.19 Carat Diamond and Platinum Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive 1.19 carat diamond and platinum solitaire ring; part of our diverse
Category

Early 2000s Unknown Solitaire Rings

Materials

Diamond, Platinum

Antique 1.24 Carat Diamond and Platinum Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 1.24 carat (total) diamond solitaire ring in platinum; part
Category

Vintage 1930s Unknown Solitaire Rings

Materials

Diamond, Platinum

1.22 Carat Diamond and Platinum Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
An impressive contemporary 1.22 carat princess cut diamond and platinum solitaire ring; part of our
Category

Early 2000s English Contemporary Solitaire Rings

Materials

Diamond, Platinum

18k Gold Diamond Round Diamond Bezel Set Ring Diamond Solitaire Ring
By Oshi Jewels
Located in Bangkok, TH
. - Diamond Cut :- Round Brilliant - Total CTW :- 0.06 ct. - No of Stones :- 1. - Stone Size :- 2.4 mm
Category

21st Century and Contemporary Thai Modern Solitaire Rings

Materials

Diamond, 18k Gold, Rose Gold, White Gold, Yellow Gold

14k Gold Diamond Round Diamond Bezel Set Ring Diamond Solitaire Ring
By Oshi Jewels
Located in Bangkok, TH
- Total CTW :- 0.02 ct. - No. of Stones :- 1. - Stone Size :- 1.7 mm. - Setting Type :- Bezel Diamonds
Category

21st Century and Contemporary Thai Modern Solitaire Rings

Materials

Diamond, 14k Gold, Rose Gold, White Gold, Yellow Gold

18k Gold Diamond Round Diamond Bezel Set Ring Diamond Solitaire Ring
By Oshi Jewels
Located in Bangkok, TH
. - Diamond Cut :- Round Brilliant - Total CTW :- 0.02 ct. - No. of Stones :- 1. - Stone Size :- 1.7 mm
Category

21st Century and Contemporary Thai Modern Solitaire Rings

Materials

Diamond, Yellow Gold, 18k Gold, Rose Gold, White Gold

14k Gold Diamond Round Diamond Bezel Set Ring Diamond Solitaire Ring
By Oshi Jewels
Located in Bangkok, TH
. - Diamond Cut :- Round Brilliant - Total CTW :- 0.06 ct. - No. of Stones :- 1 - Stone Size :- 2.4 mm
Category

21st Century and Contemporary Thai Modern Solitaire Rings

Materials

Diamond, 14k Gold, Rose Gold, White Gold, Yellow Gold

12.30 Ct Australian Opal Diamond Large Solitaire ring
Located in Napoli, IT
classy solitaire design with Diamond complement on shoulders The large Natural solid Australian Opal
Category

Mid-20th Century Italian Contemporary Solitaire Rings

Materials

Diamond, Opal, 18k Gold

1.01 Carat Diamond and Platinum Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning antique 1.01 ct diamond and platinum solitaire ring; part of our diamond engagement ring
Category

Vintage 1940s Unknown Solitaire Rings

Materials

Diamond, Platinum

Georgian 2.0 Ct rare Pointed Diamond Solitaire Plus
Located in Napoli, IT
, tested Hallmarks: none/worn Gems: 1 antique early cut diamond of approx 2.00 Ct (7.73 mm. x 6.74 mm
Category

Antique Mid-18th Century European Solitaire Rings

Materials

Diamond, Gold

Retro 3.10 Ct Diamond Solitaire Gent Ring 18 KT
Located in Napoli, IT
white gold Hallmarks: assay Gems: 1 early brilliant cut diamond of approx 3.10 Ct (L/VS1 – agd 9.07 mm
Category

Vintage 1940s Italian Retro Solitaire Rings

Materials

Diamond, 18k Gold

Antique Diamond and Yellow Gold Solitaire Ring Circa 1920
Located in Jesmond, Newcastle Upon Tyne
antique diamond solitaire ring has been crafted in 18k yellow gold with a platinum setting. The pierced
Category

Vintage 1920s French Solitaire Rings

Materials

Diamond, Yellow Gold

Art Deco 1.45 CT Diamond Solitaire 18 Kt Ring
Located in Napoli, IT
condition Metal: 18 Kt white gold Hallmarks: assay and maker Gems: 1 old mine cut diamond of approx .85 Ct
Category

Vintage 1930s Italian Art Deco Solitaire Rings

Materials

Diamond, 18k Gold

Captivating 0.55ct Diamond Solitaire Ring in 18K White Gold
Located in רמת גן, IL
Main stone: 1 pc Diamond Shape: Round Brilliant Color grade: F Clarity grade: VS2 Main stone carat
Category

2010s Singaporean Solitaire Rings

Materials

Diamond, White Gold

Art Deco Diamond Solitaire Ring in 1 Carat of Diamond, circa 1920
Located in Kendal, GB
three brilliant cut diamonds running down each shoulder (approx. 0.20ct total). The solitaire is held
Category

20th Century Art Deco Solitaire Rings

Materials

Diamond, Platinum

Antique 1.24 Carat Diamond and Platinum Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive 1.24 carat diamond and platinum solitaire engagement ring; part of
Category

20th Century Unknown Solitaire Rings

Materials

Diamond, Platinum

Vintage 1.12 Carat Diamond and Yellow Gold Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
, fine and impressive vintage diamond solitaire ring has been crafted in 18k yellow gold with an 18k
Category

Vintage 1980s Unknown Solitaire Rings

Materials

Diamond, White Gold, Yellow Gold

Vintage Aquamarine and Diamond 18 Carat Gold Solitaire Ring
Located in Chipping Campden, GB
Set in a simple setting modelled in platinum this aquamarine stone measures 1ct. Either side of the
Category

Vintage 1970s British Solitaire Rings

Materials

Aquamarine, Diamond, Gold

Contemporary Aquamarine and Diamond Solitaire Ring Set in White Gold
By Rosior
Located in Porto, PT
Rosior Contemporary Solitaire Ring set in White Gold with: - 1 Oval Cut Aquamarine with 1,05 ct
Category

21st Century and Contemporary Portuguese Contemporary Solitaire Rings

Materials

Aquamarine, Diamond, White Diamond, Gold, White Gold

Cartier Diamond and 18k Tri-Color Gold Solitaire Ring
By Cartier
Located in Jesmond, Newcastle Upon Tyne
Cartier diamond ring has been crafted in 18 ct yellow gold, 18ct white gold, and 18ct rose gold. The
Category

20th Century Solitaire Rings

Materials

Diamond, Yellow Gold, White Gold, Rose Gold, 18k Gold, Gold

Antique Old Mine Cut Diamond Solitaire Gold Ring
Located in Cairo, EG
Antique 14k yellow gold ring in solitaire style centered with 1 old mine cut diamond diameter
Category

Antique Early 1900s Solitaire Rings

Vintage Circa 1960s 14k Gold Natural Diamond Decorated Solitaire Ring
Located in Fatih/İstanbul, 34
side brilliant cut diamond 1 ct. The diamond is has G-H-I-J color and s1-s2-s3 color . Ring size is US
Category

Vintage 1960s Turkish Retro Solitaire Rings

Materials

Diamond, 14k Gold

Retro 1.50 Ct Old European Cut Diamond VVS Solitaire Ring
Located in Napoli, IT
This outstanding Retro Diamond solitaire ring is 1940/45 ca It has been substantially hand crafted
Category

Vintage 1940s European Retro Solitaire Rings

Materials

Diamond, 18k Gold

Antique 19th Century Rose Cut Diamond Solitaire Ring 18KT/Silver
Located in Napoli, IT
Hallmarks: none/worn Gems: 1oval rose cut diamond 1.80 Ct. by spread (8,01 x 7.08 mm.) H/SI UK size: N 1/4
Category

Antique 1830s European Early Victorian Solitaire Rings

Materials

Diamond, 18k Gold, Silver

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1ct Diamond Solitaire For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 1ct diamond solitaire for your needs in our varied inventory. Each design created in this style — which was crafted with great care and often made from Gold, Yellow 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. If you’re looking for a 1ct diamond solitaire from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 18th Century while another version may have been produced as recently as the 21st Century. A 1ct diamond solitaire from Antinori Fine Jewels, Concierge Diamonds Inc. and Victor Mayer — 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 old european cut and brilliant cut alternatives. Most of our 1ct diamond solitaire for sale are for women, but there are 8 pieces available to browse for men.

How Much is a 1ct Diamond Solitaire?

On average, a 1ct diamond solitaire at 1stDibs sells for $8,254, while they’re typically $2,794 on the low end and $13,500 for the highest priced versions of this item.
Questions About 1ct Diamond Solitaire
  • 1stDibs ExpertSeptember 28, 2021
    The best setting for a solitaire diamond is the prong setting. In such a setting, the stone is held in place with a minimal amount of metal allowing more light to pass through the diamond resulting in added brilliance. Find a collection of solitaire diamond jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 22, 2021
    Depending on the quality, age, and designer, a 1-carat diamond can cost between $1,300 and $16,500.
  • 1stDibs ExpertApril 5, 2022
    The term 1-carat diamond earrings means a pair of earrings set with diamond gemstones that have a total weight of 200 milligrams. Depending on the design, each earring may hold one diamond or several smaller gems. You'll find a variety of diamond gemstone earrings on 1stDibs.
  • 1stDibs ExpertOctober 5, 2021
    What a 1-carat black diamond is worth varies according to the cut, type (natural/treated) and the demand and supply. Both natural and treated black diamonds increase in value as demand increases. It ranges from $100 to $3,000 per carat. On 1stDibs, you can find a variety of unique and designer black diamond jewelry & watches from different periods to choose from.
  • 1stDibs ExpertSeptember 28, 2021
    A 1-carat pink diamond’s worth depends on the color intensity and carat. High-quality pinks are the most expensive natural diamond color today. The price can vary from $10,000 to $70,000 per carat for an intense pink. On 1stDibs, you will find a variety of pink diamond jewelry from different periods.
  • 1stDibs ExpertNovember 8, 2023
    The term 1 CTTW diamond earrings means a pair of diamond earrings with a total carat weight of 1 carat. Carats are the unit of measurement for gemstones and equals around 200 milligrams. Each earring in a set has an individual carat weight, and the two weights added together give you the total carat weight. So, a pair with a total carat weight of 1 would usually consist of two 0.5 carat earrings. Explore a large selection of diamond earrings on 1stDibs.
  • 1stDibs ExpertFebruary 22, 2021
    The average cost of a pair of 1-carat diamond earrings is around $2,500. However, that price can change depending on the quality of the diamonds and the brand.
  • 1stDibs ExpertSeptember 28, 2021
    Like with most diamond products, the price of a 1-carat princess cut diamond can range dramatically. On 1stDibs, find 1-carat princess cut diamond rings, earrings, necklaces and bracelets starting at $999 to $16,500.
  • 1stDibs ExpertApril 5, 2022
    The difference between Type I and Type II diamonds is their composition. Type I diamonds contain nitrogen-based impurities, while Type II diamonds do not feature these types of impurities. You'll find a large collection of diamond gemstone jewelry on 1stDibs.
  • 1stDibs ExpertOctober 19, 2021
    The average cost of a pair of diamond stud earrings with a total carat weight of 1-carat is $2,495. Depending on the clarity, cut and color of the diamond, the price and other details may vary. On 1sDibs, shop for antique and vintage diamond earrings.