This beautiful original engagement ring is from the Art Deco period circa 1920. It features an absolutely gorgeous round old-mine-cut diamond center stone; approx. 0.55 carat (H, SI). The 18 karat white gold mounting features exquisite hand engraving work, and a unique raised head with decorated prongs. A truly timeless classic design! Size 6. 3.5 grams. Marked 18K.