Platinum Edwardian diamond ring. Beautiful filigree and engraved square mounting. Old cut center stone .45 carat surrounded by single cuts. The corners have table cut stones . ~1.25 carat total weight. Size 7 3/4 Ring is of style that may be sized by a jeweler. 0.20 Oz total weight of ring Jewelers Appraisal available upon request. This item is vintage. It has been cherished, worn, and preserved by possibly many over the decades of its unique existence. Noted signs of age and restoration: One si