Back to today’s briefing

Story perspectives

Mellon Blue Diamond Fetches $25.6M Amid Market Tensions

11/13/2025

50 8 Full Breakdown

Summary

Story summary

The 9.51-carat Mellon Blue diamond sold for $25.6 million at Christie’s Geneva auction on November 11, 2025.
It previously sold for over $32 million in 2014 and was owned by art collector Bunny Mellon.
Experts attribute the lower price to geopolitical tensions and a weakened Chinese economy reducing participation.
Auctioneer Rahul Kadakia of Christie’s noted strong interest in rare gems despite the lower price.

1 of 1

Story summary

The 9.51-carat Mellon Blue diamond sold for $25.6 million at Christie’s Geneva auction on November 11, 2025.
It previously sold for over $32 million in 2014 and was owned by art collector Bunny Mellon.
Experts attribute the lower price to geopolitical tensions and a weakened Chinese economy reducing participation.
Auctioneer Rahul Kadakia of Christie’s noted strong interest in rare gems despite the lower price.