Set with a cushion-shaped spinel weighing 25.02 carats, within a pavé-set diamond half-hoop, mounted in 18k gold, ring size 5½ Accompanied by report no. 50800 dated 5 March 2008 from the SSEF Swiss Gemmological Institute stating that the observed properties confirm the authenticity of this transparent 25.02 carat spinel is of Burma origin with no indications of any treatment