Secure the key to her heart for eternity with this old European cut diamond antique filigree ring. The platinum band of this antique filigree ring is intricately designed in a series of three keyhole cutouts that taper down the shoulders. The squared-off top setting of this antique wedding ring holds three old European cut diamonds that are horizontally set across the finger and total 0.38 carats. May be worn as an antique wedding ring or engagement ring. Circa 1920.