The Golden Jubilee is the largest faceted diamond in the world, weighing 545.67 carats. The stone was designed by Gabi Tolkowsky, who also designed the Centenary Diamond. The Golden Jubilee was presented to the King of Thailand in 1997 for his Golden Jubilee – the 50th anniversary of his coronation. Prior to this event, the stone was simply known as the Unnamed Brown.
Tolkowsky describes the Golden Jubilee’s cut as a “fire rose cushion cut.” The color has been graded as “fancy yellow-brown”, even though the above photo makes it look almost dark orange. It is only 15.37 carats larger than the Cullinan I, also known as the Star of Africa.