AGL gemstone report #CS60716 describes natural blue star sapphire, 15.27 - 14.92 mm., double cabochon, no enhancements, Burma origin. Set in 18k wg. and framed by 19 RBC and OEC diamonds, approx. 1.70 cts. TW. Size 7. 8 dwt.
In person, the stone appears bright navy/gray-blue, with visible inclusions, silk and asterism.