NewsBrief August 1, 2024 What Can We Learn from De Beers’ Diamond Price Index? De Beers is providing extra pricing information after moving away from sight-by-sight reporting, but whether the numbers reflect the market reality is another question. Rio Tinto Diamond Unit Slumps to Loss Revenue down 40% year on year in first half. ‘Surprise! It’s Synthetic,’ and This Week’s Other News Members of the editorial team pick their favorite pieces from the internet. High Gold Prices Batter Chow Tai Fook Revenue Group sales down 20% year on year in fiscal first quarter. Trending Stories A Jewelry Safe Haven: US Market Shows Stability De Beers Sells Iron-Ore Royalty for Up to $150M Diamonds Do Good Announces 2024 Grant Winners Events Rapaport Single Stone Auction July 31 – August 7 New York & Israel More Details Rapaport Melee Auction August 14-22 New York & Dubai More Details Rapaport Single Stone Auction September 4-11 New York & Israel More Details RapNet Diamond Index (RAPI™) Diamond Data Size Index Weekly Monthly Y2Y  0.30 ct 1,098 -0.87% -8.95% -29.04%  0.50 ct 1,762 -0.53% -7.89% -22.83%  1.00 ct 4,941 -0.51% -7.27% -26.44%  3.00 ct 19,002 -0.55% -5.77% -18.21% 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.