Questions & Answers
Our trusted network of 1stDibs sellers answer common questions
Do sapphires conduct heat?
1 Answer
Yes, sapphires conduct heat. In fact, a real one won't melt until it reaches a temperature of 3,711 degrees F. As a result, one way that experts test sapphires to determine if they are real is to heat them to high temperatures. Find a collection of sapphire gemstone jewelry on 1stDibs.
1stDibs ExpertMarch 22, 2022
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Shop for No Heat Sapphire Rings on 1stDibs
Multicolor No-Heat Sapphires Ring
Located in New York, NY
Finely crafted in 18k yellow and white gold with 4 multicolor Emerald cut non-heat treated
Category
20th Century Cocktail Rings
Materials
Sapphire, 18k Gold
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Art Deco no heat sapphire ring.
Located in Malmö, SE
A very stylish antique sapphire ring from the Art Deco era. Small but oh so sweet. 1920s glamour! A
Category
Vintage 1920s European Art Deco Cocktail Rings
Materials
Diamond, Sapphire, Platinum
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6.00ct Oval, No Heat, Sapphire Ring - AGL Certified
Located in Scottsdale, AZ
18K white gold, cocktail ring. Center stone is one (1) oval cut, no heat, sapphire weighing 6.00ct
Category
20th Century Cocktail Rings
Materials
Diamond, Blue Sapphire, Sapphire, 14k Gold, White Gold
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AGL Certified & ICA Certified 3.64ct No Heat Sapphire Ring
Located in San Mateo, CA
Cushion Cut Natural Sapphire from Sri Lanka with Double Halo containing 24 blue no heat sapphires
Category
21st Century and Contemporary Sri Lankan Contemporary Fashion Rings
Materials
Diamond, Sapphire, Platinum
Emilio Jewelry Certified Cornflower Blue No Heat Sapphire Ring
By Emilio!
Located in New York, NY
Main stone: Just over 6 carat “Cornflower Blue” certified No Heat sapphire of superb clarity. The
Category
21st Century and Contemporary Three-Stone Rings
Materials
Sapphire
Emilio Jewelry Certified 15 Carat No Heat Sapphire Ring
By Emilio!
Located in New York, NY
Showcasing a 15 carat certified untreated/no heat Ceylon Sapphire of exceptional color and clarity
Category
21st Century and Contemporary Three-Stone Rings
Materials
Sapphire
