Next Catoca and Luele sales will see lower availability in those sizes, Endiama says.
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A. Lange & Söhne timepiece from 1916 will lead May 10 auction.
Lot featuring two 5.01-carat stones will carry a $304,000 high estimate at the May 14 auction.
Black-diamond ring sells for $122,499, making six times its high estimate.
Exec was at technology company for 25 years, including nine as chief.
Restatement of rough index shows impact of 2025 “stock rebalancing.”
This new authentication system captures the stone’s intrinsic structure, generating a unique, immutable “fingerprint.”
Stewart Young previously led the department at Bonhams.
Ring with 6.03-carat stone will feature in May 12 High Jewelry auction.
Susie Dewey brings over 17 years of experience to position.
Current and former members of the diamond industry are vying to acquire the miner. How will the sale impact the market?