Emerald Wave is a 10 karat Yellow Gold Emerald and Diamond Cocktail Ring. Marquise shaped Emeralds that are prong set in Yellow Gold form the outer wave and a single oval Emerald is in the center. The inner section of the wave has multiple tiny round prong set Diamonds mounted in White Gold. The total carat weight of the Emeralds is 1.50 – 2.00 carats. The total Diamond weight is .40 carats. Hallmarked “10K, THL”. Circa 1980’s. Size 8 1/4″.