Loose Diamond :
Before… After – In Oct. 2008, Petra recovered a 26.6 ct blue stone at Cullinan mine. The rough yielded a cushion-shaped cut stone of just over 7 carats. Vivid blue, IF ///// IMPORTANT AND RARE FANCY VIVID BLUE DIAMOND RING. Now ‘THE STAR OF JOSEPHINE’. The fancy vivid blue modified rectangular brilliant-cut dia. weighing 7.03 cts, on a plain platinum mount, size 51. Estimation 6,191,167 – 9,038,200 USD // LOT SOLD 9,488,754 USD. GIA / Fancy Vivid Blue, Natural Colour, IF [S. GE. 12 MAY 2009]
