Fine grade gem. Burmese blue spinel is a natural gemstone. Native cut stone cobalt blue. Tiny chip at corner that prong will easily cover. Will fit into 8x6mm standard setting.
Burmese pink spinel. Before modern testing spinel was considered sapphire. Spinel is found side by side with sapphire in the ground, usually closer to the surface. Spinel is mounted in most of the crown jewels around the world.