Petra Diamonds
The Cullinan mine continues to produce large stones. The Cullinan Heritage, a white diamond, was discovered in September 2009. This stone was the 19th biggest uncut diamond ever found and was sold in February 2010 to Chow Tai Fook Jewellery for $35.5m, the highest price ever paid for an uncut diamond. The previous record was held by Gem Diamonds' Leseli La Letšeng, which was bought for $18.4m by Graff Diamonds in December 2008.
Zinaida Yusupova
As the head of one of the most important noble families in Russia, she also inherited a vast fortune, which meant owning the largest collection of historical jewels in Russia, second only to that of the vaults of the Russian Imperial Family. She was in possession of 21 Tiaras, 255 Brooches, 42 Bracelets, 210 kilos of assorted Objet d'art and hundreds of thousands of loose gems.
Some of the famous gems were: The mid-16th century La Pelegrina pearl, "The Polar Star Diamond" (41.28 carat diamond), The "La Regente Pearl" (fifth largest pearl in the world), The 17th century "Ram’s Head Diamond" (a 17.47-carat diamond), The 17th century "Sultan of Morocco Diamond" (35.67 carats, fourth largest Blue diamond in the world), The 17th century "Diamond Earrings of Marie Antoinette" (two 34.59 carat diamonds), The "Blue Venus Statuette Sapphire" (4-inch-tall sapphire statuette of the goddess Venus atop a large Spinel) and also The 15th century "Ruby Buddha" (70+ carat Ruby statue).