Both in facet grade rough and stones I have cut and set. 3.02 Carat Weight Tourmaline. IF = internally flawless, no visible inclusions. Exception = Opal is hard to grade on this scale and will not be graded.
Both in facet grade rough and stones I have cut and set. 9.50 Carat Weight Tourmaline. IF = internally flawless, no visible inclusions. Exception = Opal is hard to grade on this scale and will not be graded.
Both in facet grade rough and stones I have cut and set. 8.18 total Carat Weight Tourmaline. IF = internally flawless, no visible inclusions. Exception = Opal is hard to grade on this scale and will not be graded.
Both in facet grade rough and stones I have cut and set. 9.65 Carat Weight Tourmaline. Exception = Opal is hard to grade on this scale and will not be graded. IF = internally flawless, no visible inclusions.
Both in facet grade rough and stones I have cut and set. 4.64 Carat Weight Tourmaline. Exception = Opal is hard to grade on this scale and will not be graded. IF = internally flawless, no visible inclusions.
Both in facet grade rough and stones I have cut and set. 15.50 Carat Weight Tourmaline. IF = internally flawless, no visible inclusions. Exception = Opal is hard to grade on this scale and will not be graded.
Both in facet grade rough and stones I have cut and set. 9.24 Carat Weight Tourmaline. VVS = very very small inclusions or feathers. (almost eye clean has 1 or 2 minor inclusions). Exception = Opal is hard to grade on this scale and will not be graded.
Both in facet grade rough and stones I have cut and set. IF = internally flawless, no visible inclusions. Exception = Opal is hard to grade on this scale and will not be graded. I = included, major inclusions, may not be fit for cutting however light still passes through the stone.