Metal: Alchemia Lead Free, Nickel Free, Hypoallergenic. Baked lacquer finish to protect metal from turning or tarnishing Luminite: 15mm Heart Length of Earrings including Hook: 1 3/8" Each earring weighs 3.8 grams Thickness of earring including stone: 7 mm Luminite has an opalescent, multi-color sheen. Handcrafted and artisan made All pieces are stamped or hallmarked for authenticity Casual day and evening wear Luminite is an eye-catching, glisteningstone that never fails to dazzle. These dangle earrings are equal parts stylish and flattering and can be worn on their own or paired with theHeartfelt Alchemia Luminite Adjustable Ring