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Here is another good one. This standard round brilliant is dark enough to have its color mainly flash driven under average lighting conditions. I have a yellowish light and a diffused midday light to work with. And this stone’s flash is jumping from a yellowish olive green under the yellow light to a greenish blue under the midday light. That is quite a color slide that I never got to home base with before. I don’t see dichroism in the stone, but I bet it was oriented with the c axis perpendicular to the table. It appears to be eye clean and weighs 1.99 carats. It likes all the attention and I will have to look at this gemstone under some different light sources (2013).