THIS IS A STUNNING LIGHT PALE YELLOW MONTANA SAPPHIRE WITH SLIGHT INCLUSIONS. THIS STONE HAS BEEN HEAT TREATED TO CLEAR UP SOME OF THE SILK AND HELPED TO DISPERSE MORE OF THAT YELLOW TONE. IT IS 4.6 MM AND THE INCLUSION IN THIS ONE IS THE PERFECT EXAMPLE OF THE KIND THAT ONLY ADDS TO THE LUSTER IN THE FACET JOB ON THIS ROUND BEAUTY. .50 CT YELLOW ROUND MONTANA SAPPHIRE