Paraíba tourmaline and diamond ring

Paraíba tourmaline and diamond ring 

Claw-set with a Paraíba tourmaline weighing 12.02 carats, the shoulders enhanced with marquise- and pear-shaped diamonds, size 52.

Accompanied by SSEF report no. 128815, stating that the tourmaline is of Brazilian origin, with indications of heating, with a minor amount of filler in fissures; together with a gemmological report.