Three Square is an 18 karat White Gold Art Deco Diamond Trilogy Ring. This beauty is sleek and flat with three prong and bezel set round Diamonds mounted in a square filigree mounting. The center Diamond is .50 carats and the Diamonds on either side are .25 carats each. The total carat weight of all the Diamonds is One carat. The Clarity is VS1 and the Color is G-H. These Diamonds sit atop a filigree bridge. Hallmarked “18K”. Size 6. Circa 1920’s.