From Brooke's Orbit Collection, one of a kind 18k Gold Moonlight and Boulder Opal Diamond Halo Earrings.                  18K Gold Boulder and Australian Opal Earrings with White Diamond Halo. - Metal: 18K yellow gold - Stones: Boulder Opal 2.88 ct, Australian Opal 2.43 ct - Setting Measurements: 28 mm x 9 mm