Two diamonds and white opal float in a dreamy pink opal sphere set in a delicate 18k gold band, portraying the moon and stars orbiting a planet. SIZE & MATERIALS Composition: recycled 18k yellow gold, pink opal, white opal, white diamonds Read about how to care for our jewelry here. Collections Pink Opal Rings - Pink Opal Jewelry - Opal Rings - Diamond Rings - Diamond Jewelry - Gold Jewelry