A 733 carat black star sapphire that was originally used as a doorstop. Named “The Black Star of Queensland,” the humble gemstone that spent nine years as a doorstop is now set majestically as a pendant framed by 35 diamonds.
This almond-shaped stone is the largest apple-green diamond known. Its green color is attributed to the crystals close contact with a radioactive source at some point in its lifetime. The Dresden Green, which probably originated in a rough crystal of 100
The Meteor Cut was born on This superb diamond cut has a decagonal shape, and its 10 straight walls are wondefully built of 71 facets. It took 10 months of dilligent work and persistent attempts to overcome the technical challenges, in order to
GEMS The DeYoung Red Diamond Is One Of The Largest Known Natural Fancy Dark Red Diamonds. Grade Of Weighs Carats. Gifted To The National Gem Collection By Mr. DeYoung, A Boston Jeweler. Originally Was Wrongly Identified As Garnet.