Secret Coeur Studs Material: 925 sterling silver Stones: white lab-grown gemstones Cut: heart Stone size: 6 mm (0.6 cm) Backing: classic push-back closure Warranty: lifetime guarantee Category: premium Whispered elegance. The Secret Coeur studs feature luminous white heart-cut lab-grown gemstones, a quiet symbol of purity and grace. Set in polished 925 sterling silver and measuring 6 mm, they offer refined sparkle for any moment. Secured with classic push-back closures and protected by a lifetime guarantee — a discreet treasure with timeless allure.