1960s Ruby Diamond Platinum Dome Ring 6.5

This vintage dome ring, circa 1960s, is made of solid platinum and features a bold geometric design set with a total of 1.83 carats of French-cut rubies. At the center, the ring is accented by three types of diamonds: 0.52 carats of princess-cut, 0.32 carats of trapezoid-cut, and 1.36 carats of baguette-cut diamonds. The diamond and ruby arrangement is precision-set within a dome-shaped platinum band stamped PT900, along with the carat weights for each gemstone category. The ring is a size 6.5 and is resizable. It weighs 16.1 grams with a band width of 1/2 inch.