The Hybrid Diamond Color Grading Master Set: How Cost and Availability Caused a Revelation
By now, you’ve probably seen press releases from AGA (Accredited Gemologists Association) and GCAL by Sarine, announcing the new Hybrid Master Set—a diamond color...
Christie’s Headliner, the 23.24-carat “Golconda Blue” Pulled
The 23.24-carat “Golconda Blue” fancy vivid blue diamond has been unexpectedly pulled from the May 14 Christie’s Magnificent Jewels sale, says Anthony DeMarco, contributing...
The Winston Red – the Color Every Other Red Diamond Wishes it Had!
The Winston Fancy Color Diamond Collection was unveiled at the Smithsonian Institution's National Museum of Natural History on Tuesday, April 1st, with Smithsonian dignitaries...
Rio Tinto discovers exceptional yellow diamond from its Diavik Diamond Mine
Rio Tinto has unearthed one of the largest gem-quality yellow diamonds ever discovered in Canada, from its Diavik Diamond Mine.
The 158.20 carat rough diamond...
Sotheby’s Diamond Extravaganza: Showcase in Abu Dhabi
Sotheby’s hosted an exhibition in Abu Dhabi (9–10 April 2025) featuring a remarkable selection of colored diamonds, including one of the most significant blue...
GIA Announces a Tariff Work-Around: Overseas Labs Accepting Larger Diamonds for Grading
In response to logistics challenges related to recently announced tariffs affecting global shipments of gemstones, GIA (Gemological Institute of America) will temporarily expand services...
Namibia has 75 million Carats in Reserve: Diamond Production up 600,000 Carats – from the Seafloor...
Diamond production in Namibia rose by 3% to 600,000 carats, driven by higher-grade mining and improved recoveries at Namdeb. Namdeb is well-known for its...
