RAPAPORT®
NewsBrief
September 26, 2024
linkedin facebook twitter instagram youtube
Does In-Factory Grading Help IGI Achieve Huge Margins?
The International Gemological Institute (IGI) spent just 15% of its revenue on employee expenses in 2023. A comparison with US financials for the Gemological Institute of America (GIA) points to contrasting business models.
Diamonds Shine at Bonhams Jewelry Sales
California and Knightsbridge auctions achieve nearly $3 million combined.
Jewelers of America to Honor John Green with Lifetime Achievement
CEO of Lux Bond & Green will receive accolade for his devotion to the industry and his family-owned stores.
Luxury Market Bottoms Out, and This Week’s Other News
Members of the editorial team pick their favorite pieces from the internet.
Trending Stories
What’s Behind Contradictory Trends in the US Diamond Market?
Another Enormous Find for Lucara: A 1,094ct. Rough
Flagging Demand, China Downturn Hit Gemfields Emerald Auction
Events
Rapaport Single Stone Auction
September 17 – October 7
New York, Dubai & Israel
More Details
Rapaport Melee Auction
October 14-23
New York & Dubai
More Details
GemTalks Live
Jewelry Grading: Assessing the 4Cs of Mounted Gemstones
October 1, 2024, 10 a.m. EDT
Online
Register Here
RapNet Diamond Index (RAPI™)
Diamond Data
Size
Index
Weekly
Monthly
Y2Y
 0.30 ct
1,030
-2.00%
-6.61%
-28.09%
 0.50 ct
1,690
-1.79%
-5.08%
-14.96%
 1.00 ct
4,723
-1.13%
-4.61%
-23.38%
 3.00 ct
18,431
-0.08%
-3.01%
-17.35%
Rapaport Investment Grade Diamonds
CONTACT US
Facebook logo       Twitter logo       LinkedIn logo       RSS logo       Email logo
© Copyright 2026 by Rapaport USA Inc. All Rights Reserved.
Rapaport®, TradeWire®, RapNet®, Index® and JNS® Jewelry News Service are
registered trademarks.