The 8.62 carat Graff ruby ring, from the collection of Greek financier Dimitri Mavrommatis, which set a new world record at auction for a ruby at Sotheby's Geneva in December 2014 when it sold for $8.6 million.
The 8.62 carat Graff ruby ring, from the collection of Greek financier Dimitri Mavrommatis, which set a new world record at auction for a ruby at Sotheby's Geneva in December 2014 when it sold for $8.6 million.
The 8.62 carat Graff ruby ring, from the collection of Greek financier Dimitri Mavrommatis, which set a new world record at auction for a ruby at Sotheby's Geneva in December 2014 when it sold for $8.6 million.
