Ross-Simons - 6.50ct Simulated Emerald Ring, 1.00ct t. w. Cubic Zirconias in Silver. Size 6. Get the look of a big-time gem for a fraction of the cost! This cocktail ring boasts an ample 6.50 carat rectangular cushion-cut simulated emerald that beams with a rich, velvety green glow from inside a sparkling frame of 1.00 ct. t. w. multi-cut CZs. Set in polished sterling silver. 1/2" wide. CZ and simulated emerald ring. Carat weights are diamond equivalents. Emerald birthstones are the perfect gift for May birthdays.