Rare No Heat Purple Sapphire from Montana set in a Platinum and Diamond Ring
-oval cut purple sapphire weighing 3.69 carats accompanied by an AGL gem report stating that the sapphire is Montana origin and no evidence of heat treatment
-two bullet cut and 12 round cut diamonds approximately 0.70 carats
-finger size 6 1/4, gross weight 10.5 grams, marked Plat