Exquisite Art Deco 18K Yellow Gold Diamond Hand Cut Ruby Onyx Ring Band. This impressive ring features 1 brilliant round diamond at the center measuring about 4mm in diameter, surrounded by numerous hand cut rubies, onyx, and brilliant round diamonds. The total weight of the diamonds is 0.35 carats. The ring weighs 6.2 grams. It is a size 6.5. Sizing is available for an additional fee.