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
: An investment-grade "perfect diamond" listed for $1,600,000 at 1stdibs.com . Essential "Paper" for High-Carat Diamonds highest carat diamond you can buy
: Features a stiff linen-finish outer wrapper and printed spaces for recording carat weight and stone details. Available at Kassoy for $35 . Antwerp Style Diamond Paper Go to product viewer dialog for this item. For most private buyers, "buying" a diamond of
: Available for approximately $352,505 at Rare Carat . Available at Kassoy for $35
: Priced at $331,510 at Rare Carat .
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.