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RAPAPORT ® TRADEWIRE ®
December 11, 2025
Rapaport Market Comment - December 11, 2025

US seeing steady holiday trading in 1.20 ct. and larger rounds and long fancies. Vendors filling last-minute orders. High-end retail solid. Rounds under 1.19 ct. slow. American wholesale market more positive than Indian. Manufacturers shifting from short ovals back to round brilliants amid glut of less desirable ovals, raising possibility of oversupply in rounds. Long ovals still strong, especially above 1.70 ct. IMF warns Botswana against increasing De Beers stake. Sightholders refuse rough at De Beers Dec. sight; miner changes assortments for 2026, moving 8-grainers (2 ct.) out of beneficiation boxes. Watches of Switzerland fiscal 1H sales +8% YOY to $1.1B, profit +53% to $59M.

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RAPNET DIAMOND INDEX (RAPI™)
Weekly Monthly Y2Y
0.30 ct -3.67% -9.14% -15.85%
0.50 ct -1.75% -7.04% -22.78%
1.00 ct -0.26% -2.27% -8.24%
2.00 ct -0.16% -1.00% 0.18%
3.00 ct 0.01% -0.39% 0.28%
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Market Reports
United States: Larger dealers seeing steady demand, with retailers taking memo goods and buying sought-after items for inventory…
United States: Larger dealers seeing steady demand, with retailers taking memo goods and buying sought-after items for inventory…
Belgium: Retailers focusing on selling existing diamond inventory and considering purchases for 2026…
Belgium: Retailers focusing on selling existing diamond inventory and considering purchases for 2026…
Israel: November polished exports up 34% year on year to $168.6 million on net basis following drop in returns…
Israel: November polished exports up 34% year on year to $168.6 million on net basis following drop in returns…
India: Both overseas and domestic trading sluggish…
India: Both overseas and domestic trading sluggish…
Hong Kong: Local market picking up ahead of holiday and amid influx of overseas visitors…
Hong Kong: Local market picking up ahead of holiday and amid influx of overseas visitors…
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Tariff Exemption Gives Antwerp a New Lease on Life
By Joshua Freedman

Select Belgian companies are increasing their local manufacturing — though many are still assessing the unpredictable situation.

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Podcast: How Tariffs Affect Jewelry Auctions

Christie’s exec Max Fawcett dissects the state of spectacular diamonds.

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Rapaport Magazine Shows Why Estate Jewelry Never Gets Old
By Rachael Taylor

The latest edition also looks at the Louvre heist, Surat’s diamond-industry crisis, and a shake-up in luxury department stores.

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Miner moves 2-carat goods out of beneficiation ranges.
De Beers Tweaks Sight Boxes to Support Small Rough
Miner moves 2-carat goods out of beneficiation ranges.
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Only 126 companies shuttered in third quarter, compared to 158 a year earlier.
US Jewelry-Business Closures Continue to Slow
Only 126 companies shuttered in third quarter, compared to 158 a year earlier.
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Revenue up 16% year on year in first half following July purchase of European Boutique.
Birks Sales Benefit from New Jewelry Brand Acquisition
Revenue up 16% year on year in first half following July purchase of European Boutique.
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Revenue up 8% year on year in first fiscal half, with American market accounting for 60% of profitability.
Watches of Switzerland Expects Strong Holiday Season as US Drives Sales
Revenue up 8% year on year in first fiscal half, with American market accounting for 60% of profitability.
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Piece with 13.54-carat tourmaline becomes surprise top lot at $46.5 million New York auction.
Paraiba Tiffany Necklace Soars to Record-Setting $4M at Christie’s
Piece with 13.54-carat tourmaline becomes surprise top lot at $46.5 million New York auction.
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Many pieces beat estimates, including one selling for 17 times its expected top price.
Blue Diamond Leads Sotheby’s to $30M New York Auction
Many pieces beat estimates, including one selling for 17 times its expected top price.
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First jewelry auction at new Manhattan location features pieces from Suzanne Belperron, JAR and other top designers.
Sotheby’s Exclusive Breuer Debut Sale Yields $14M
First jewelry auction at new Manhattan location features pieces from Suzanne Belperron, JAR and other top designers.
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World’s largest fancy-vivid-orangy-pink diamond sells for $8.8 million.
32ct. Desert Rose Smashes High Estimate at Sotheby’s in Abu Dhabi
World’s largest fancy-vivid-orangy-pink diamond sells for $8.8 million.
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Testing rules out several likely causes for unusual cloud patterns, prompting need for further investigation.
Starburst Inclusions in Yellow Diamond Leave GIA Stumped
Testing rules out several likely causes for unusual cloud patterns, prompting need for further investigation.
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New York auction totals $5.3 million, with 94% of lots selling.
15ct. Pink-Diamond Ring Nearly Triples Estimate at Phillips
New York auction totals $5.3 million, with 94% of lots selling.
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