3.30 Carat Old-Mine Cut Diamond Art Deco Platinum Engagement RingLadies art deco platinum handmade engagement ring featuring a 3. 30 carat old mine cut diamond of (SI 2) in clarity and (J K) in color. Enhanced with beautiful delicate filigree and tiny diamonds on the side. Circa 1920 (+ ). Currently a finger size 5 3 4 but can be resized. Good Condition. Accompanied by a Van Rijk appraisal certificate