Art Deco Colombian Emerald and Diamond Three-Stone Ring garnet This Art Deco ring features

This Art Deco ring features a square-cut sapphire to create a geometric and very wearable ring

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

Vintage early Art Deco three-stone ring set with a 1

Classic Edwardian details like filigree and delicately-set diamonds make this ring a standout

The center diamond is accented by trillion cut diamonds

Art Deco Colombian Emerald and Diamond Three-Stone Ring garnet This Art Deco ring featuresArt 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