Add a touch of elegance to your jewelry collection with this vintage 14K gold nugget blue spinel statement cocktail ring. The captivating blue spinel lab- grown gemstone is 10.1mm wide and has a round cut shape with an approximate carat weight of 4 carats. The ring is designed with a prong setting style and is made of yellow gold with a metal purity of 14k. This estate ring is signed and has a ring size of 5.25 that is sizable to fit comfortably. The ring is perfect for any occasion such as Mother's Day, Christmas, Graduation, Wedding, Anniversary, Birthday, and Valentine's Day. The vintage ring is a unique piece that showcases the beauty of nature with its theme. Please look at all photos for measurements and details. Very Rare and Unique. This ring was sent to an Authentication Facility from a previous purchase. It came back to me as AUTHENTIC gold with a Lab-grown gemstone.