The Signature Premium: How Cartier, Boucheron, JAR, and Belperron Became the Asset-Class Jewelry the May 2026 Geneva Sale Just Confirmed
Jewelry Market Q1 2026: K-Shape Settles In — Trophy Auctions Soar, Rough Diamonds Lose 19%, And A May Geneva Verdict Ahead
Signed Jewelry and Certified Stones as Collateral in 2026: A Holder’s Guide to Documentation, LTV, and Discretion