Ammolite Grading Guide
In order to allow for proper
sorting in our database we have recently changed our Grading
system. We have also begun pricing our naturals by surface area
rather than by carat weight.
will all show bright colors at some angle. Lower grades of the stone
dark red or brown when rotated. Experienced goldsmiths will set the
to take advantage of the best angle of view. Higher grades will have
color through an increasing angle of rotation, with A5 & A4 Grade
stones having 3
or more brilliant colors at all angles.