【Carlsbad, Ca】GIA to Offer Origin Determination for 3 More Gemstones
Editor’s NoteThe Gemological Institute of America (GIA) will expand its origin-determination services to include opal, peridot, and demantoid garnet…
GIA
【Carlsbad, Ca】GIA Announces New Colored Stone Reports and Expanded Origin Services Effective January 2026
Editor’s NoteThe Gemological Institute of America (GIA) has announced a significant update to its colored stone services. Beginning January 1, 2026,…
【Carlsbad, CA】GIA to Update Gemological Reports for Colored Stones
Editor’s NoteThe Gemological Institute of America (GIA) will introduce redesigned colored stone reports and expanded services starting January 1,…
【London, UK】Fabergé Egg Sells for Record 4.7 Billion Yen at Auction; Omoio Strengthens Appraisal System Amid Booming Jewelry Market
Editor’s NoteThe record-breaking sale of the “Winter Egg” at Christie’s underscores the remarkable strength and enduring allure of the high-end…
【Abu Dhabi, U】Sotheby’s Sets $7 Million Estimate for ‘Desert Rose’ Diamond in Abu Dhabi Sale
Editor’s NoteThis article highlights Sotheby’s landmark Abu Dhabi auction, featuring the record-setting ‘Desert Rose’ diamond. With its exceptional…
The Best Lab-Grown Diamonds That We Highly Recommend (And Want To Gift Ourselves)
Editor’s NoteThis guide highlights lab-grown diamonds as a sustainable and affordable alternative to mined stones, featuring top brands for holiday…
【USA】GIA Renews Its Colored Gemstone Reports and Expands Origin Determination Services in 2026
Editor’s NoteThe Gemological Institute of America (GIA) will introduce updated colored gemstone reports and expand its origin determination services…
【瑞士】Gemology: The Indiana Jones of Precious Stones
Editor’s NoteVincent Pardieu, a veteran field gemologist with decades of experience visiting mines worldwide, offers a rare glimpse into the…
【USA】GIA Reveals Diamond and Color Gemstone Deception
Editor’s NoteThe GIA has issued an industry alert concerning deceptive packaging and wrapping techniques used to artificially enhance the appearance…
【USA】Breaking: GIA Redefines Lab-Grown Diamond Grading Report
Editor’s NoteThe Gemological Institute of America (GIA) has announced a significant shift in its grading approach for lab-grown diamonds, moving away…