Highest Carat Diamond You Can Buy May 2026

: An investment-grade "perfect diamond" listed for $1,600,000 at 1stdibs.com . Essential "Paper" for High-Carat Diamonds

: Available for approximately $352,505 at Rare Carat . highest carat diamond you can buy

Professional jewelers use specialized to safely store, present, and document high-value stones. If you are looking for the "paper" used to handle these gems: If you are looking for the "paper" used

At the absolute peak of the luxury market, the highest carat diamond currently available for purchase is a 228.31-carat pear-shaped stone . It holds the record as the largest white diamond ever offered at auction. If you are looking for ready-to-purchase "retail" options

For most private buyers, "buying" a diamond of this magnitude typically happens through elite auction houses like Sotheby's or Christie's . If you are looking for ready-to-purchase "retail" options or professional supplies to handle such stones, here is what is currently on the market: Ultra-High Carat Diamonds for Sale