This original art deco engagement ring reveals a mesmerizing 2.30 carat GIA certified old mine cut diamond. This particular facet pattern creates an even refraction of light and a ravishing sparkle. The four prong design squares off the stone beautifully for an overall elegant solitaire look. In platinum the shank includes accent diamonds on either side and a knife edge.  Three single cut diamonds on each side of the center stone provide an additional hint of sparkle and round it this grand engagement ring!