These are among the largest stones currently listed for immediate private acquisition:
: Preferred by gemologists for safe handling; includes blue liners for professional presentation. Available at SEP Tools for $49 .
: Available for approximately $352,505 at Rare Carat . 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.
: A museum-quality loose stone listed for $2,380,000 at 1stdibs.com . These are among the largest stones currently listed
: An investment-grade "perfect diamond" listed for $1,600,000 at 1stdibs.com . Essential "Paper" for High-Carat Diamonds
: Priced at $331,510 at Rare Carat .
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