Opulent Art Deco 1930s Platinum Diamond Onyx Brooch

An absolutely gorgeous natural diamond and onyx Art Deco brooch crafted of platinum (tested). Doesn't get much finer than this! Retails for $18,000. Features 56 natural European and single cut diamonds weighing approximately 2ctw. The diamonds are VS-SI in clarity and G-H in color. Accented with faceted black onyx. Secures with a locking pin for wear. Measures 1/2" wide and 2 7/8" in length. Weighs 9.3 grams