This luxurious Art Deco 14K gold signet ring features a black onyx semi-precious gemstone in the center. Weighing in at approx. 8.61 grams, this ring is marked 14K and measures to size 10-1/2. It has some scratches from wear and the gemstone is slightly loose in the setting. The semi-precious onyx gemstone measures 5/8″ (W) x 3/4″ (H), while the back of the band comes in at 4.69 mm. Please take a look at our photos to confirm dimensions; we want you to be satisfied.