A defect in a diamond appears to be 3.0 mm below the surface when viewed from directly above that surface. How?

A defect in a diamond appears to be 3.0 mm below the surface when viewed from directly above that surface. How far beneath the surface is the defect?|||This is a stumper. I wish I could answer this for you. You should really and an independent appraiser unaffiliated with a store review this question not someone in a retail store.





Good Luck!|||Actual depth = N*Apparent depth, where N is the index of refraction. N(diamond) ~ 2.42. This is something a diamond expert might find handy to know.

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