The Catherine the Great Emerald and Diamond Brooch” sold for $1,650,500 at Christies in April 2011

The Catherine the Great Emerald and Diamond Brooch” sold for $1,650,500 at Christies in April 2011

Tiffany - Art Deco lady’s wristwatch: diamonds, emeralds, set in platinum with platinum mesh band circa 1933

Tiffany - Art Deco lady’s wristwatch: diamonds, emeralds, set in platinum with platinum mesh band circa 1933