Classic-Gemstone-1st-Place-David-Nassi–-15.30-ct-unheated-Ceylon-pink-Sapphire1 Published August 21, 2017 at 798 × 653 in SRI LANKA COLORED GEMSTONES CARRY THREE TOP HONOURS AT THE 2017 AGTA SPECTRUM AWARDS CLASSIC GEMSTONE – 1st PLACE – DAVID NASSI, 15.30-CARAT UNHEATED CEYLON PINK SAPPHIRE