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this is correct. i found it odd to include that sample appraisal form with the listing at first glance, too.

Wikipedia article on morganite says something like ~$300/carat depending on overall quality.

It’s it a bell curve, so stuff that’s 4 or 5 std devs out is (potentially) worth much much much more than bull stones.

Now I'm chuckling at the image of extremely expensive, perfectly cut, nanometer-scale stones.

They’re actually very cheap, but you can literally get diamond sandpaper

Micrometer-scale, not nanometer-scale.