An Art Deco Platinum Diamond and Onyx Brooch containing one old European cut diamond weighing approximately 1.20 carats two old European cut diamonds weighing approximately 1.90 carats total two old E
An Art Deco Platinum Diamond and Onyx Brooch containing one old European cut diamond weighing approximately 1.20 carats two old European cut diamonds weighing approximately 1.90 carats total two old European cut diamonds weighing approximately 1.06 carats total four square step cut diamonds weighing approximately 0.48 carat total numerous old...