Aquamarine, March's birthstone is known as the stone of courage and serenity, bringing positive energy along with creativity. This 2.5mm band fashioned from rhodium-plated sterling silver is prong set with a 4mm round 0.5-carat genuine gemstone that will add subtle color to your finger. Color range varies on all natural stones so please allow for slight variations in shades (pale blue-green to nearly colorless). Guaranteed to fit together perfectly with all of the mix and match Stackable Expressions rings.