Beautiful Earrings with Genuine Orange Fire Opal Stone Size: 4 x 3 mm Earrings Face dimensions: 28 x 6 mm Metal: White Gold plated over 925 Sterling Silver Weight: 3,62 grams Earrings come in a gift box. Registered, insured shipping with tracking number and proper packaging. Gemstones are usually treated to improve their color or clarity. This was not investigated in the case of this particular object.