5 Carat Mid-Century Oval Cut Aquamarine Ring in 14k White Gold.  This Mid-Century cocktail ring features a 4.99 carat oval cut aquamarine in dazzling 14 karat white gold. The aquamarine has a lightly saturated, soft blue hue. Accenting its already generous size, the oval cut facets give the blue aquamarine a powerful brilliance. The center stone is prong set on a beautiful, vintage basket mounting. The shoulders of the band feature structured, Mid-Century buckles that add a fine detail to the slightly tapered 14k white gold shank. For an elegant engagement ring with history, this fashionable Mid-Century ring is the one you need!