1930s Art Deco 14k White Gold Mens Ring Mount

A custom made men's ring mount crafted of 14k white gold (stamped "14k"). Circa 1930's. The opening measures approximately 11.7 x 11.7mm. Create your own special ring. Could use onyx, turquoise, lapis, and many more choices to pick from. Measures 11/16" lengthwise on top of finger. Ring size is 10. Weighs 5.4 grams.