Chaumet Vintage Ring Coral Diamond 18k Gold French JewelryA gorgeous free form 18k gold Chaumet ring featuring three marquise cut coral disks and diamonds. A perfect cocktail ring with organic shape that has long been Chaumet's specialty. This whimsical free form gold was achieved by using investment casting. It's a manufacturing process in which a wax pattern is employed to shape a disposable ceramic mold. Given to the ring's look, it was supposedly designed by Pierre Sterl who manipulated gold like no