onyx ring,chunky, sterling silver,cross,star, signet ring,Aztec,

Aztec onyx ring
sterling silver
Chunky,industrial
Rounded band.
12 x 10mm (1/2"x 3/8") black onyx stone.

Top is 22 wide (5/8")
Sits high 7mm (2/8")
Heavy ring.
20-22 gms depending on the size