Gorgeous Art Deco 18K White Gold Diamond Cabochon Ruby Ring. This unique piece features 2 natural cabochon rubies measuring about 5 mm in diameter as well as numerous smaller rubies with a total weight of 2.14 carats and numerous brilliant round diamonds totaling 0.44 carats. The top of the ring measures 7/8 of an inch across. The ring is a size 6.5. Sizing is available for an additional fee. It weighs 6.4 grams.