Tanganite of 703 carats sets a world record.
The largest cut tanzanite in the world, a 703-carat blue tanzanite carving by artist Naomi Sarna, now holds the Guinness World Record. In Hillsboro, Oregon, on March 9, the Rice Northwest Museum of Rocks & Minerals hosted the official “L’Heure Bleu” weigh-in. Official witnesses for the weighing were gemstone experts Jessie English of J.S. English […]
Tanganite of 703 carats sets a world record. Read More »









