Questions & Answers
Our trusted network of 1stDibs sellers answer common questions
How can you tell the quality of a diamond?
1 Answer

To tell the quality of a diamond, experts traditionally consult the 4Cs. Developed by the Gemological Institute of America (GIA), the 4Cs are color, clarity, cut and carat weight. You can visit the official GIA website to learn more about the ratings for color, clarity, cut and carat weight. If you're attempting to evaluate the quality of a diamond already in your possession, seek the advice of a certified appraiser or expert jeweler. Find a diverse assortment of diamond jewelry on 1stDibs.
1stDibs ExpertFebruary 27, 2024
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Shop for Diamond Jewelry on 1stDibs
Antique Edwardian Old European Cut Diamond, Garnet 18K Yellow Gold Cluster Ring
Located in New York, NY
Fine antique Edwardian Old European cut diamond, garnet and 18K yellow gold classic cluster ring
Early 20th Century
Provenance: from the Greenwich, CT estate of a family whose lineag...
Category
Early 20th Century Edwardian Cluster Rings
Materials
Diamond, Garnet, 18k Gold, Yellow Gold
14k White Gold 6 Carat Trilliant Aquamarine & Diamond Cut White Topaz Ring
Located in Eagan, MN
What a beautiful ring! The cut of this stone is just spectacular! The ring is a size 6.25. It is a beautiful fancy trillion cut stone and is 6 carats. It a very high quality ston...
Category
21st Century and Contemporary Unknown Art Deco Cocktail Rings
Materials
Diamond, Aquamarine, Topaz, White Gold, 14k Gold
$960 Sale Price
20% Off
Free Shipping
18K White Gold 3.80ct Deep Greenish Blue Sapphire & 0.50t Diamond Cocktail Ring
Located in เกาะสมุย, TH
Deep and alluring sapphire of decent size is the signature of this piece! The greenish blue sapphire is of Thai origin which is now rarer with depleting supply. Diamond is of decent ...
Category
21st Century and Contemporary Thai Cocktail Rings
Materials
Diamond, Blue Sapphire, 18k Gold, White Gold
$1,900 Sale Price
50% Off
Free Shipping
18K Black Gold 10.7mm Tahitian Greenish Black Pearl & 1.99ct Diamond Earrings
Located in เกาะสมุย, TH
This is a work of high-end floral art. The gold is coated in black rhodium to give off fresh metal with mysterious look. The diamonds are of colorless and black color set in unison. ...
Category
21st Century and Contemporary Hong Kong Dangle Earrings
Materials
Diamond, Pearl, Black Pearl, South Sea Pearl, Black Diamond, Gold, 18k G...
$2,880 Sale Price
60% Off
Free Shipping
Antique Platinum, Edwardian era Cabochon Moonstone and Rose Cut Diamond Ring
Located in Brighton, GB
Antique Moonstone Ring
Platinum
Circa 1910
Step back in time with this exquisite Edwardian era ring, crafted with exceptional attention to detail. This stunning piece features an...
Category
Early 20th Century European Edwardian Engagement Rings
Materials
Diamond, Moonstone, Platinum
Antique Platinum, Edwardian era Peridot & Diamond Round Halo Cluster Ring
Located in Brighton, GB
Antique Peridot Ring
Platinum
Circa 1910
This stunning Edwardian cluster ring is a true testament to the masterful craftsmanship of the era. The ring is crafted from platinum, wi...
Category
Early 20th Century European Cluster Rings
Materials
Diamond, Peridot, Platinum