【Singapore】Top-Grade Sapphire Worth S$4 Million Shines at International Jewelry Expo
Editor’s NoteThis article highlights the debut of an exceptionally rare 100-carat royal blue sapphire at a Singapore jewelry expo. Valued at US$3…
Royal Blue Sapphire
【Tucson, Ariz】GILC to Discuss Crucial Issues of Color and Gem Origin Descriptions in Tucson
Editor’s NoteThis article announces a key conference session at the upcoming Tucson Gem Show, focusing on critical industry topics of color…