Carlisle is a vintage 1920's engagement ring featuring a stunning .89ct Old European cut diamond. This lovely diamonds rests in an octagonal setting that is raised high above the finger and enhanced with sloping, engraved shoulders. Simply gorgeous! Clemson is a crisp 1930's Art Deco engagement ring made from platinum, featuring a 1.52ct Old European cut diamond. Two marquise shaped side diamonds flank this stunning center stone, and a mil-grained geometric setting finishes off the very unique look of this special ring.