In its latest auction report, Rapaport drills down into the sales results for important diamonds at Christie’s, Sotheby’s and a slew of other auction houses. Rapaport’s proprietary data offers valuable insight into how round, fancy-shape and fancy-color diamonds are performing on the secondary market, including the prices they realized and how those compare with Rapaport’s own benchmark price list.
You can find the full results here.
Main image: A Paraiba tourmaline and diamond suite by Tiffany & Co. The necklace, which features a 13.54-carat Paraiba, brought in $4.2 million at Christie’s New York in December 2025. (Christie’s)



