Unique Art Deco 14K White Gold Filigree Sapphire Onyx Diamond Aquamarine Ring. This gorgeous ring features 1 natural round aquamarine, weighing one carat, natural hand cut blue sapphires, totaling 1.7 carats, surrounded by numerous natural hand cut onyx, totaling 2.5 carats. There are a few diamonds on each side totaling .06 carats. The ring weighs 6.4 grams. It is a size 6.75. Sizing is available.