Metal: white gold.
Available in 10k & 14k gold purity.
Top width: 0.70" (18mm).
Bottom band width: 0.13" (3.3mm).
Weight: 7.4 g. (10k); 8.4 g (14k).
Gemstone: Onyx.
Gemstone color: Black (stone texture may vary).
Stone shape: oval.
Finish: polished.
Made in the USA.