AIUI they actually ARE higher physical quality: I believe the way experts tell cultured diamonds from 'natural' ones is that cultured ones have far fewer flaws.

AIUI they actually ARE higher physical quality: I believe the way experts tell cultured diamonds from 'natural' ones is that cultured ones have far fewer flaws. (IANADD) But you are absolutely right of course - the physical quality is irrelevant in the market for such an emotional product.