This Estate Necklace Features a Beautiful Geometrical Shaped Opal with a Center 9 Diamond Section. The Opal is Secured in the Back of the Pendant with a Solid 14 Karat Yellow Back. The 14 Karat Yellow Gold 1.0mm Box Chain is 16" Long and Secured with a Lobster Clasp. Gorgeous Color Highlights throughout the Opal. The Pendant is Held by a High Polished Bail.