Art Deco Colombian Emerald and Diamond Three-Stone Ring garnet The square sapphire and combination

The square sapphire and combination of yellow gold and platinum give this ring a touch of modernity

56 carat EGL certified old European cut diamond with J color and VS2 clarity

The center diamond is accented by trillion cut diamonds

Edwardian engagement ring set with a 4

engagement ring collet-set with a 1

Art Deco Colombian Emerald and Diamond Three-Stone Ring garnet The square sapphire and combinationArt 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