18 karat yellow gold Onyx ring with 3-diametional detailing. The oval shape tablet cut onyx measures 1" x 3/4 " in width. Ring size is 6. Lies Flat on the ring. Stamped inside shank " 18K ITALY ". Ring weighs 10.90 grams. Flat shank measures 4.00 m.m. wide. Beautiful condition. Wear commensurate with age and use. Circa: Early to mid 20th Century