Platinum Aquamarine and Diamond Ring. Center stone is an Emerald Cut Aquamarine weighing 2.50 Carats. There are Round Brilliant Cut Diamonds, set in a step shoulder, weighing .28 Carat Total Weight, Color F-G, and Clarity VS2-SI1. Mounting is finished with a beautiful Hand Engraving. All Hand Engraving is done here in the shop!