A pretty and feminine ring for any girl or woman. The Harlequin Opal measures 6.5mm X 5.40mm. The Harlequin Opal changes color as the light hits it. It is just stunning set in the filigree antiqued white gold ring. A must if you love opals as much as we do. All our rings are stamped with 18kt HGE inside the band and all were made in the USA. We assure you the highest quality in all our rings.