Art Deco platinum diamond ring. The open work shield shape ring, features 1 champagne colored, Old Mine cut diamond, that weighs approximately 1.00 carat total. 2 Old Mine cut diamonds flank the center stone, in a North, South direction. They weigh approximately 1.00 carat total. The setting features 24 small round diamonds, that total at approximately 40/100 carat total. The ring is a size 4.