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Our trusted network of 1stDibs sellers answer common questions
How much is a 15-carat diamond worth?
1 Answer
How much a 15-carat diamond is worth varies. Prices may be in the hundreds of thousands or millions. When evaluating diamonds, experts consider the cut, clarity and color, as well as the carat weight. On 1stDibs, explore a wide variety of diamond jewelry from some of the world's top sellers.
1stDibs ExpertOctober 30, 2024
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Shop for Diamond Jewelry on 1stDibs
Antique 18ct Yellow Gold, Victorian Emerald and Rose Diamond Ring, Circa 1880
Located in Brighton, GB
Antique Emerald Ring
18ct Yellow Gold
Circa 1880
An elegant late Victorian ring crafted in 18ct yellow gold, centring a vibrant emerald of approximately 1.20 carats. The cushion-...
Category
Antique Late 19th Century Victorian Engagement Rings
Materials
Diamond, Emerald, 18k Gold, Yellow Gold
Antique 18ct Gold, Edwardian Diamond Daisy Ring, Circa 1910
Located in Brighton, GB
Antique Diamond Daisy Ring
18ct Gold
Circa 1910
Introducing a stunning Edwardian diamond daisy ring, crafted from 18ct yellow gold and platinum. The ring features a beautiful dai...
Category
Early 20th Century Edwardian Engagement Rings
Materials
Diamond, Gold, 18k Gold
14K Gold 0.27 ct. tw. Hammered Cuff Ring
By I. Reiss
Located in Great Neck, NY
14 Karat Yellow Gold Matte and Hammer-Finished Cuff Ring, Accented with 0.27 Carats of Burnish Set Diamonds
Category
2010s Band Rings
Materials
Diamond, 14k Gold, Yellow Gold
Vintage Mid-Century Diamond Cocktail Ring ~2.52ctw 18k White Gold
Located in Orlando, FL
• Center Diamond – Approx. 0.84ct old European cut, J color, SI2 clarity
• Accent Diamonds – Approx. 1.68ctw old mine–cut diamonds, H average color, SI1 average clarity (some bette...
Category
Vintage 1950s Cocktail Rings
Materials
Diamond, 18k Gold, White Gold
Antique 18ct Gold, Sapphire, Diamond and Demantoid Garnet Pendant, Circa 1880
Located in Brighton, GB
Antique Sapphire Pendant
18ct Gold Tested
Circa 1880
* The chain is sold separately
Late Victorian pendant in 18ct yellow gold, centred with a Sapphire, framed by an ornate fo...
Category
Antique Late 19th Century Victorian Pendant Necklaces
Materials
Diamond, Garnet, Sapphire, Gold, 18k Gold
18ct Gold, Sapphire
Diamond Daisy Star Cluster Ring, Hallmarked Chester 1910
Located in Brighton, GB
Antique Daisy Ring
18ct Yellow Gold
Hallmarked Chester 1910
This exquisite 18ct gold Edwardian cluster ring showcases a stunning design, featuring six natural sapphires elegantly...
Category
Early 20th Century English Edwardian Engagement Rings
Materials
Diamond, Sapphire, Gold, 18k Gold
