Robuta

https://miningbusinessafrica.co.za/south-african-white-diamond-set-for-auction/ South African white diamond set for auction - Mining Business Africa Nov 29, 2022 - The largest white diamond ever to come to auction will hit the block at Christie’s in Geneva on May 11. The 228-carat, pear-shaped diamond carries a presale south african whitediamondsetauctionmining