The Top-Selling Jewels on the Block in 2025
Blue, pink, and royal provenance were the overarching themes of the year’s top 10 lots at Christie’s and Sotheby’s, with colored diamonds taking seven of the slots.
1. The Mellon Blue diamond: $25.6 million
Christie’s Magnificent Jewels, Geneva, November 11
A 9.51-carat, fancy-vivid-blue, internally flawless diamond that once belonged to horticulturist Rachel “Bunny” Mellon.
2. The Mediterranean Blue diamond: $21.5 million
Sotheby’s High Jewelry, Geneva, May 13
A cushion modified brilliant-cut, 10.03-carat, fancy-vivid-blue diamond that originated in South Africa’s Cullinan mine.
3. The Royal Blue necklace: $16.1 million
Christie’s Magnificent Jewels, Hong Kong, November 25
A necklace with 16 cushion-shaped Kashmir sapphires ranging from 3.43 to 13.37 carats. World auction record for a Kashmir-sapphire necklace.
4. The Marie-Thérèse Pink diamond: $14 million
Christie’s Magnificent Jewels, New York, June 17
A kite-shaped,10.38-carat, fancy-purple-pink diamond, possibly once Marie Antoinette’s, on a ring by JAR. World record for a JAR jewel at auction.
5. A blue-diamond ballerina ring: $12.7 million
Christie’s Magnificent Jewels, Geneva, May 14
A platinum ring featuring an emerald-cut, 6.24-carat, fancy-deep-blue, VVS2-clarity diamond in a Boucheron mounting with round rubies and baguette-cut diamonds. Auction record for a deep-blue diamond.
6. The Regent Kashmir: $9.6 million
Christie’s Magnificent Jewels, Hong Kong, May 27
A cushion-shaped, 35.09-carat Kashmir sapphire on a ring with diamonds.
7. The Desert Rose diamond: $8.8 million
Sotheby’s Precision & Brilliance, Abu Dhabi, December 5
A 31.68-carat, fancy-vivid-orangy-pink, VVS1 diamond. Auction record for an orangy-pink diamond
8. An unmounted fancy-vivid-blue diamond: $6 million
Sotheby’s High Jewelry, Geneva, November 12
An oval mixed-cut, 4.50-carat, internally flawless diamond.
9. A blue-diamond Graff ring: $5.8 million
Christie’s Magnificent Jewels, Geneva, May 14
A platinum ring featuring an oval-shaped, 3.68-carat, fancy-vivid-blue diamond and pear-shaped diamonds.
10. Napoleon Bonaparte’s diamond brooch: $4.4 million
Sotheby’s Royal & Noble Jewels, November 12
A circular brooch that reportedly adorned Napoleon’s hat, featuring an oval, 13.04-carat diamond surrounded by old mine- and mazarin-cut diamonds.
Main image: The Boucheron ballerina ring. (Christie’s)
Thank You for Reading Rapaport Magazine
More From Rapaport Magazine
What Does Love Look Like? Not Out-of-Touch Lab-Grown Messaging
The natural-diamond industry won’t attract couples by telling them synthetics devalue their relationship.
Bridal Shopping in the Age of AI
Couples are researching online, but they still want to make the ring purchase personal – and that creates opportunities.
Six Brands Serving Fresh Engagement-Ring Designs
Whether it’s hand-sculpted organic gold or reimagined divorce jewels, these designers are setting trends that resonate with bridal shoppers.
