101 ct. D Color Flawless Pear Shape Diamond

The Pink Star

59 ct. Vivid Pink Flawless Oval Cut Diamond

The Romanov Era Brooch

130 ct. Unheated Burma Sapphire Brooch

Sweet Josephine

16 ct. Vivid Pink VVS2 Cushion Cut Diamond

The Kashmir Pair

13.47 & 14.84 Unheated Kashmir Sapphires

The Elizabeth Taylor Brooch

37 ct. Unheated Burma Sapphire Brooch

700+ Ct. Rough Diamond

700+ Ct. Rough Diamond yielded a number of large and important D Colour Flawless polished diamonds ranging in size from 20 to 100+ carats.  


Mellen boasts one of the finest collections of gems in the world and has had the privilege to be involved with many historic treasures. Over decades of burnishing our reputation and cultivating important relationships, we have established ourselves as the primary resource of one-of-a-kind gems for the world’s leading brands and their most sophisticated clientele.