10k Yellow Gold Size 9.5 Black Onyx Ring 11.5 Grams This ring is pre-owned, with some light signs of wear. It is a large square black onyx stone with a swirl design down the sides. The onyx is 6.4mm by 4.7 mm. It is a size 9.5, and weighs 11.5 grams. It is stamped 10k inside with band, and has been fully tested. It will come as pictured. 177799869 MOS AS