10k gold vintage Deco onyx diamond ring10k gold two tone vintage black onyx and diamond estate ring black onyx apx . 005ct round cut diamond size 9. 75 4. 7 grams #09719 Ring can be resized within reason by our local jeweler or likely yours. Please contact us prior to purchasing if you are interested in our jeweler's resizing services. All sales final. More photos and video available upon request. We reserve the right to cancel an item listing if it sells elsewhere before it is removed