A MID 20TH CENTURY STAR SAPPHIRE DRESS RING, MADAGASCAR, NO HEATThe sugarloaf cabochon star sapphire estimated to weigh 58 carats, within a six claw setting, to baguette cut diamond shoulders, approximately 0.90 carats total, the shank stamped Plat 10% Ir, with sizing beadsSize/dimensions: sapphire approximately 18mm x 16.8mm, finger size approximately I 1/2Gross weight: 19 gramsOffered for sale with a Gemmological Certification Services Sapphire Report, numbered 5782-2695, Date 08.08.2022, stating: Origin MadagascarComment No indications of heating品相报告: The star has a strong asterism, in some lights it has a double star. The sapphire has some typical inclusions as expected, a couple of small scratches to the top. The shank has some thinning to the back, some general wear the setting commensurate with use. There are sizing beads to the back of the shank. There is a partial inventory number which possibly starts A7, the shank marking Plat 10% Ir is disrupted by a sizing bead and rubbed. The diamonds are bright and lively, colour estimated I-J, clarity VS.