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The Curious Life of Patrick O’Shea: From Ballistics Detective to Gemologist and Jewelry Designer
Patrick O’Shea’s life’s journey has led him down many career paths until they all came together as a designer who specializes in masonic jewelry.
GIA Researchers Reveal the Secrets to Diamond-in-a-Diamond Mystery
GIA researchers in NY recently had the opportunity to examine one of the most interesting and unique diamond crystals ever found.
What Country Do My Diamonds and Other Gemstones Come From?
Dr. James Shigley shares how GIA determines colored stone origin and the mysteries of diamonds origin.
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.
Coronavirus May Cut Chinese Demand, Diamond Companies See Better Times
Economic impact of the coronavirus. Plus, an update on the diamond market and gold jewelry.
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.
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.
GIA Researchers Evaluate ‘Light Performance’ and Diamond Cut
“Light performance” gets a lot of loose use in the diamond trade, but what does it mean when someone is actually looking at a diamond?
GIA Researchers Evaluate ‘Light Performance’ and Diamond Cut
“Light performance” gets a lot of loose use in the diamond trade, but what does it mean when someone is actually looking at a diamond?
Diamonds Are Not Forever! Diamond Dissolution
Violent kimberlite eruptions impact the surface features of diamonds, which can give scientists useful information about how diamonds react with the fluids in the mantle.
Pallasitic Peridot with Iridescent Needle-Like Inclusions
Numerous needle-like inclusions exhibit vibrant interference colors in a suite of pallasitic peridot from the Jepara meteorite.
Diamond with Mobile Green Diamond Inclusion
Diamond inclusions are relatively common guests in diamond crystals.









