Unique 14K White Gold Chalcedony Quartz Sapphire Ruby Diamond Snake Ring. This color-stone ring features one large polished chalcedony quartz in the center measuring about 14mm in diameter, surrounded by sapphires, rubies and diamonds. The top of the ring measures 3/4 of an inch across. Total diamond weight is 0.36 of a carat. The ring weighs 6 grams. It is a size 6.5. Sizing is available for an additional fee.