Executive to resign before termination of contract, says Russian news outlet.

Comparable-store sales up 8% year on year in six months to September.

High natural-diamond prices and a glut of synthetic goods mark the end of 2022.

Jewel among highest-value items in auction house’s history.

Output will fall to between 3 million and 3.8 million carats next year, company predicts.

Jewelry and other hard-luxury items up 14% year on year in October.

Digital-only document will not state growth method or treatment information.

Melee is outperforming larger sizes due to strong luxury demand and a supply squeeze.

D-color stone expected to fetch up to $4 million at auction.

Production at Williamson unlikely to resume before mid-2023.