ASTRAL HOOP EARRINGS Our Astral Hoop Earrings feature an engraved moon and star with a sapphire stone. Blue sapphires are symbolic of the heavens, with properties of healing and protection. Crafted in nickel-free sterling silver with a polished finish. Hoop thickness: 1.6mm Earring height: 23mm Pendant width: 8.2mm Stone size: 2 x 1.2mm sapphire stones Earring weight: 1.7g (per earring) Available metals: Sterling Silver, 14k Gold Plated Sterling Silver (nickel free)