Art Deco Colombian Emerald and Diamond Three-Stone Ring carat.58 within a single and old

within a single and old European-cut diamond filigree mount of navette-shaped outline

78 carat old European cut diamond with F in color and SI1 clarity

08 carat old European cut diamond with E color and VS1 clarity

77 carat old European cut diamond with G-H color and VS2 clarity

Art Deco Colombian Emerald and Diamond Three-Stone Ring carat.58 within a single and oldArt Deco three stone engagement ring set with an approximately 1. 50 carat emerald cut emerald with AGL certificate stating the emerald is Colombian origin. Set with approximately 1. 20 carats of old mine cut diamonds, extending to the engraved platinum band. Circa 1920. This is a stunning Colombian emerald from the 1920's. The details of the knife edge platinum band are added delight. Diamond and gold mining has caused devastation in areas such as