Diamond Auction: The $17.3 Million Sale of the World's Rarest Gem

Thursday, 14 May 2026, 11:50

Diamond enthusiasts will be captivated by the recent record auction where a stunning 5.5-carat blue-green diamond fetched an astonishing $17.3 million. This diamond represents the epitome of rarity, establishing a new benchmark for nature's most precious stones. The anticpation surrounding this diamond's sale highlights its incredible desirability and unique characteristics.
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Diamond Auction: The $17.3 Million Sale of the World's Rarest Gem

Significant Sale of a Rare Diamond

A remarkable 5.5-carat triangular-cut diamond, classified as the largest fancy vivid blue-green diamond known to exist, has recently been sold for a staggering $17.3 million at auction. This sale marks a significant milestone, as it has set a new record for a diamond of this category, according to Christie's.

The Features of the Diamond

  • Carat Weight: 5.5-carat
  • Color: Fancy vivid blue-green
  • Cut Type: Triangular-cut

Impact on the Market

This extraordinary diamond sale not only pushes the boundaries of previous auction records but also signifies the growing demand for rare gemstones among collectors and investors alike. The auction house stated that the nature of this diamond has attracted keen interest, indicating a positive trend in the high-value auction market for unique gems.


This article was prepared using information from open sources in accordance with the principles of Ethical Policy. The editorial team is not responsible for absolute accuracy, as it relies on data from the sources referenced.


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