AN ART DECO BLUE ZIRCON AND DIAMOND DRESS RING CIRCA 1920The circular cut blue zircon estimated to weight 10.80 carats in a four claw setting, to pierced millegrained lattice shoulders set with old cut diamonds, approximately 0.28 carats total, the shank stamped 18ct &Size/dimensions: finger size approximately N 1/2Gross weight: 6.1 grams品相报告: There is abrasion and chipping along the blue zircon facet edges and some scratches to the crown facets as typical with blue zircon, the setting ahs some wear commensurate with age and use, some slight thinning to the claw tips, but the stone is still well secured, the shank has been sized smaller, there is a slight oval shaped to the shank hence the approximate ring size. The shank has a partial mark it probably said platinum as there appear to be platinum elements to the setting. The zircon measures approximately 13mm diameter x 7.65mm