THE CENTENARY The Centenary, was discovered at the Premier Mine of South Africa on the 17th of July 1986 and joined the ranks of the worlds largest d

The Centenary, was discovered at the Premier Mine of South Africa on the 17th of July 1986 and joined the ranks of the worlds largest diamonds, it weighed in at 599.10 carats in rough form. Master-cutter Gabi Tolkowsky took almost three years to complete its transformation into the world's largest, modern-cut flawless diamond. The Centenary has 75 facets on top, 89 on the bottom and 83 on the girdle, for a total of 247 facets. It weighs 273.85 carats and now forms part of the British Crown Jewels. www.valuablestones.com