Liberian Ruby
A trip to a rural Liberian diamond mining community results in a newly discovered source of corundum.
Forsterite in a Purple Tanzanian Spinel
Exceptional Gemstone Acquisitions by the Kreis Family
YNY Jewels: Designer Surbhi Pandya
Handcrafted jewelry pieces featuring tanzanite carvings stood out at the GJX show.
Sixth Annual Gianmaria Buccellati Foundation Award Winner
A graduate of GIA’s Jewelry Design program in London is the recipient of the 2022 Gianmaria Buccellati Foundation Award.
Exceptionally Rare Pearls from ECIJA
New Find of Petroleum-Included Quartz from Madagascar
Ruby with Interesting Synthetic Overgrowth
Microscopic examination of a ruby at the Carlsbad laboratory reveals synthetic overgrowth indicative of high-temperature heat treatment.
Zeki Karaca Jewelry: Luxury Pens
Enormous Cat’s-Eye Aquamarine
Rare Double Pseudomorph Ikaite-Calcite-Opal
Brenda Smith Jewelry Designs
Sapphire from Montana’s Secondary Deposits, Colombian Emerald Morphology, the 2023 Tucson Shows, and More…
New Tourmaline Pockets in San Diego County’s Pala District
Luminescent Synthetic Garnet-Like Crystals
Quarterly Crystal: Columbite(?) in Beryl
Examination of a gem-quality aquamarine crystal reveals an inclusion cluster presumed to be columbite.
Plastic Deformation: How and Why Are Most Diamonds Slightly Distorted?
Ethical Supply Chain Practices in Africa with Virtu Gem
A look at Virtu Gem, a company dedicated to improving artisanal mining practices in Africa.
Microscopic Shells in Natural Pearls from Pinctada radiata
Two pearls from Bahrain containing minute shells are examined at GIA’s Mumbai laboratory.
Pinctada radiata Atypical Bead Cultured Pearls from the UAE
GIA’s Mumbai laboratory reports on pearl samples from a culturing experiment by the Suwaidi Pearl Farm in the UAE.
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