The Top-Selling Jewels on the Block in 2025

Collectors had a fondness for blue this past year in both diamonds and gemstones.
The blue-diamond Boucheron ballerina ring that sold at Christie's image

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.

The Mellon Blue diamond image
(Christie’s)

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.

The Mediterranean Blue diamond image
(Sotheby’s)

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.

The Royal Blue necklace image
(Christies)

3. The Royal Blue necklace: $16.1 million

Christies 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.

The Marie-Thérèse Pink diamond image
(Christies)

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.

A blue-diamond ballerina ring by Boucheron image
(Christies)

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.

The Regent Kashmir sapphire image
(Christies)

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.

The Desert Rose diamond image
(Sothebys)

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

An unmounted fancy vivid blue diamond image
(Sothebys)

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.

A blue-diamond Graff ring image
(Christies)

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.

A circular diamond brooch that belonged to Napoleon Bonaparte image
(Sothebys)

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)

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The Top-Selling Jewels on the Block in 2025

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