Leilão Bidspirit | AN UNMOUNTED SAPPHIRE

AN UNMOUNTED SAPPHIRE - The Properties from A Private Collection One octagonal step-cut sapphire weighing 4.60 carats Accompanied by a report from the Gemological Institute of America, stating that the 4.60 carat natural sapphire is blue color, originates from Burma (Myanmar) and no indications of heating, report no. 1353276136, dated 2nd April 2020 4.60克拉八角形梯式切磨緬甸天然藍寶石裸石，附GIA 證書 US$9,000 - 12,000