Sterling Silver Diamond Zirconia Marcasite Ring Size 7.5
15mm X 10mm Zirconia with Marcasite rows on both sides.
Stamped .925 Sterling Silver 4mm shank.
Cubic zirconia is crystallographically isometric,
an important attribute of a would-be diamond simulant.
Marcasite is a metallic, black-grey stone, similar in chemical makeup to pyrite, but different in crystal structure. It is machine cut and polished, giving jewelry made with it an antiqued vintage look.