Program aims to educate young consumers about mined stones’ positive qualities.
Oval, marquise and old mine are most popular engagement-ring shapes.
Charlotte Rose will also be first female leader of any diamond exchange worldwide.
Janet Lam brings more than 17 years of experience to the role.
Piece featuring 5.69-carat sapphire fetches $462,900 in Paris.
Three-month pause will save money and manage rough-diamond flow into market.
Collections will debut at new flagship stores in Barcelona and Milan.
Neil Ventura, Weizhang Liang and Wafa Jaffery will join the executive committee.
Nicole Ahline will explain how the lab identifies treatment status and origin.
New tool estimates stone count, carat weight, and layout specs for eternity rings, tennis bracelets, and necklaces.
Market Comment: June 25, 2026