A COLOURED SAPPHIRE AND DIAMOND RING

A COLOURED SAPPHIRE AND DIAMOND RING Set with an oval-shaped padparadscha sapphire, weighing approximately 7.03 carats, within a circular-cut diamond surround and scalloped border, extending to the shoulders, mounted in platinum, ring size 6 ½ <i>Accompanied by report no. 16081011 dated 9 August 2016 from the Gübelin GemLab stating that the padparadscha sapphire is of Sri Lanka (Ceylon) origin, with no indications of heating</i> <i></i> <i>Report no. 1233334266 dated 28 July 2016 from the GIA Gemological Institute of America stating that the padparadscha sapphire is of Sri Lanka origin, with no indications of heating</i> <i></i> <i></i> <i></i> US$15,000-25,000