NewsBrief May 16, 2024 101ct. Yellow Pulled from Sotheby’s Geneva Auction Sotheby’s garnered CHF 31.1 million ($34.3 million) from its most recent jewelry sale in Geneva, even as the consignor withdrew the top item, a 101.29-carat, fancy-vivid-yellow diamond. Are Lab-Grown Diamonds Really Taking Over Australia? Naturals have a strong chance of succeeding in a quality-conscious market, jewelers argue. 202ct. Yellow Rakes In $6.7M at Christie’s Geneva Sum is second-highest price ever paid for a diamond of its color and size at the auction house. Lucapa to Offload High-Value Mothae Mine Company wants to streamline portfolio and focus on core assets. Other Stories Mountain Province Profit Falls Amid Soft Rough-Pricing Market Watches of Switzerland Snaps Up Roberto Coin for $130M Sotheby’s to Offer over 80 Jewels Belonging to Shirley Bassey Events Rapaport Single Stone Auction May 8-21 New York & Israel More Details Rapaport Melee Auction May 14-23 New York & Dubai More Details Rapaport Breakfast at JCK: State of the Diamond Industry – Special Presentation by Martin Rapaport June 2 8-10 a.m. PDT Register RapNet Diamond Index (RAPI™) Diamond Data Size Index Weekly Monthly Y2Y  0.30 ct 1,317 -1.17% -3.31% -18.04%  0.50 ct 2,031 -0.58% -1.07% -19.92%  1.00 ct 5,689 -0.62% -2.98% -19.96%  3.00 ct 20,844 -0.40% -2.27% -12.73% Rapaport Investment Grade Diamonds

CONTACT US

© Copyright 2026 by Rapaport USA Inc. All Rights Reserved. Rapaport®, TradeWire®, RapNet®, Index® and JNS® Jewelry News Service are registered trademarks.