World’s largest fancy vivid yellow diamond tipped to fetch £10m at auction

It is one of the most sought-after diamonds in the world and so rare it was once said to be impossible to value.


But now the dazzling Cora Sun-Drop gem is tipped to make £10 million when it appears at auction next month.

Roughly the size of a woman's thumb and 110 carats it is thought to be the largest vivid yellow pear-shaped diamond in existence.  More Read