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Fancy Color Diamond
Dazzling brilliance. Captivating color. The planet’s most valued gems are fancy color diamonds.
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A Look Back — and Forward — After 40 Years in the Gem and Jewelry Industry
Russell Shor reflects on the people, gems and stories he’s encountered as he’s covered the industry over the years.
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Yellow Gemstones: Can You Identify Them?
Don’t judge a yellow gem by its color alone. A variety of gemstones also come in shades of yellow, from diamonds to citrine to garnets.
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Diamond Lattice Defects: GIA Researchers Explore Internal Tagging and Gray-Blue-Violet Diamond Color
GIA scientists recently presented their latest research on diamond tagging and the cause of gray-blue-violet color in diamonds.
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Jewelry Sales Show Modest Rise; Higher End Soars
U.S. holiday jewelry sales increased slightly from 2018. Online buying surged, while foot traffic in retail stores slowed.
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2019 in Review: Diamond Trade Begins Recovery, Jewelry Retail Blooms Late, Extraordinary Auction Sales
2019: A year of ups and downs in the gem and jewelry industry, including diamonds, retail, auction sales and laboratory-grown diamonds.
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Gems & Gemology’s 7 Most Unusual Encounters from 2019
Check out some of the most interesting and unusual diamonds and colored stones submitted to GIA’s laboratories in 2019.
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Diamond Market in Recovery, Top-end Auction Results
World’s two largest diamond producers say market is stabilizing after several months of severe cutbacks in rough sales. Christie’s and Sotheby’s sales.
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Why are Pink Diamonds Pink? GIA Researchers Dive Deep into their Crystal Structure
GIA researchers analyzed more than 90,000 natural pink diamonds to better understand how these rare and beautiful diamonds formed and got their color.
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Bullish Predictions for 2019 Holiday Sales Despite Concerns, Sotheby’s Hong Kong Auction Sales
U.S. holiday sales predictions are better than expected. Sotheby’s Hong Kong auction features a 100 ct yellow diamond necklace by GIA alumna Anna Hu.
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A Tropical Paradise of Ocean-Inspired Jewelry and Gemstones
Escape to a warm-water paradise in your mind with these jewels that formed in the sea, are inspired by marine life and evoke the ocean’s essence.
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