Art Deco Filigree Diamond Engagement Ring in Platinum.  This engagement ring features a .62 carat Old European Cut center diamond on an ornamental, filigree platinum band. The Old European cut, natural diamond has larger facets and a kaleidoscopic pattern and is elegantly matched with single cut accent diamonds on either side of the primary stone. From the shoulders to the under-gallery, a lacy filigree design in platinum morphs from abstract swirls to hidden flowers. This fascinating engagement ring was crafted in the Art Deco period between 1915 1939. Grab this antique engagement ring before it’s gone!