Atlantic Ocean Heart-Cut Studs Material: 925 sterling silver Stones: blue lab-grown gemstones Cut: heart Stone size: 6 mm (0.6 cm) Backing: classic push-back closure Warranty: lifetime guarantee Category: premium Inspired by the depths of the sea. The Atlantic Ocean Studs feature vivid blue heart-cut lab-grown gemstones set in polished 925 sterling silver. Their delicate 6 mm size makes them perfect for subtle sparkle with a romantic touch. Finished with classic push-back closures and backed by a lifetime guarantee — elegance that endures.