Add a touch of sparkle to your earring collection. These studs feature heart-shaped sapphires bezel-set in 14K gold-plated sterling silver. - Please note: Demi-Fine pieces can be polished back to their original state with a soft cloth if there's any tarnishing. - 5 mm x 5 mm. - 70% 14K gold-plated recycled sterling silver, 30% lab-grown sapphire. - Nickel-safe. - Imported.