.1970s .375 .9ct black onyx modernist rectangular signet seal gold heirloom unisex gold gemstone ring

An exceptional and classical modernist onyx gemstone ring that is large and wonderful!

This classic and stately and well made gold rectangular black Onyx gemstone has a good face size of 14mm long x 10mm. 

The black onyx gemstone is striking and has been recently polished to present perfectly for high sheen statement wear. 

The modernist onyx 9ct yellow gold signet ring has a good ring size of U 1/2 yet can be resized upon request. 

This retro era 1970s, solid gold unisex onyx gemstone vintage signet seal ring is desirable and wonderful to own or to gift.