NewsBrief August 15, 2023 Lucara Brings Back Ex-CEO Lamb to Replace Thomas Lucara Diamond Corp. will appoint former CEO William Lamb to succeed Eira Thomas as head of the company, the miner announced Monday. UK Slowdown Dents Sales at Watches of Switzerland Revenue down 2% year on year in first fiscal quarter. Sotheby’s Names Head of Watches for Americas Region Geoff Hess will be based in New York. Sarine Profit Nosedives as Global Slump Hits Sales Machine purchases dropped in first half as diamond manufacturing decreased. News Digest Zimbabwe Royalties System Yields 300,000 Carats of Diamonds (The Sunday Mail) India’s PC Jeweller Posts Third Straight Quarterly Loss Amid Mounting Legal Battles (Reuters) Beautiful Ways to Get Your Rays (Financial Times) Events Rapaport Melee Auction August 15-23 New York & Dubai More Details Rapaport Single Stone Auction August 23 – September 5 New York & Israel More Details Rapaport Single Stone Auction September 12-26 New York & Israel More Details RapNet Diamond Index (RAPI™) Diamond Data Size Index Weekly Monthly Y2Y  0.30 ct 1522 -0.97% -2.45% -0.67%  0.50 ct 2222 -1.53% -5.32% -25.01%  1.00 ct 6609 -0.98% -3.16% -23.56%  3.00 ct 23050 -0.40% -1.31% -14.74% Rapaport Investment Grade Diamonds

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