Details Lola Brooks 18k yellow gold & cushion Ethiopian opal earrings, 28.01ct. Each stone measures approximately 5/8″ x 5/8″ & is set in Lola’s signature fine bezel. When hanging, the earrings measure approximately 1 1/8″ from the top of the 18k ear wire to the bottom of the earring. - Ethiopian opal, 28.01ct, set over blackened gold - 18k yellow gold - 1 1/8" total length - each earring weighs 5.38g Care Ethiopian opals are hydrophane, which means they can absorb water if immersed which can change their appearance and make the opal's flash disappear. They should not be worn in water.