Recent Posts
Fancy Colored Diamonds as Investment Assets
Among the various asset classes that have attracted serious investment consideration over the past t...
The Hutton-Mdivani Jadeite Necklace
On April 7, 2014, Sotheby's Geneva offered what many specialists consider the most important jadeite...
The Rockefeller Emerald
On June 20, 2017, Christie's New York offered a Colombian emerald with one of the most distinguished...
Mogok Pigeon Blood Rubies
In the hierarchy of precious gemstones, no stone is more closely associated with absolute quality th...
Kashmir Sapphires
In the world of precious gemstones, no origin commands a more consistent or more substantial premium...
The Oppenheimer Blue
On May 18, 2016, Christie's Geneva presented what the auction house described as the most important ...