Vintage 14K Gold Rectangular Black Opal Signet Ring

Rendered in a gleaming 14K gold, this signet ring is inlaid with a striking rectangular black opal with a flashy play of green and blue color. Currently measures a size 7. 

Measurement of Opal: 0.6 inch by 0.55 inch 

Gold Purity: 14K Gold 

Markings: N/A 

Weight: 12.7 Grams