You are viewing a fine 14K yellow gold man's signet ring. On top is inset an oval shaped piece of Black Onyx stone.. The ring measures 10mm or just under 1/2" long up the finger by 18mm or 3/4" across. It is marked 14K. It is a size 8 and can be re-sized. The ring weighs 7.1 grams. The ring is in fine condition. The mottling in the photos on the black onyx is camera light reflection.