The Jwaneng 28.88: A Flawless Diamond Heads to Auction
De Beers and Sotheby’s unveiled The Jwaneng 28.88 — a flawless, D-colour, 28.88-carat Type IIa diamond from Botswana — at Maison Assouline in London, ahead of its auction debut in Hong Kong on 23 April 2026.
