Edwardian Era Blue Sapphire And Old-Mine Cut Diamond Halo RingLadies 14kt and platinum Edwardian sapphire and diamond cluster ring featuring a 0. 81 carat untreated oval shaped blue sapphire in the centre, surrounded by a halo of approximately 1. 00 carat total weight of Old Mine cut diamonds of (VS SI) in clarity and (H J) in color. This ring is currently a size 5 3 4. Circa 1910 (+ ). Very Good Condition Accompanied by an independent appraisal.