Crossword Clue:

BOART a low quality diamond

AnswerCrossword Clue
BORTLow-quality diamond
SMOKYHaving a low throaty quality
SOWSEARLow-quality material, in a saying
ERAIt should be low on a diamond
ERAGood thing to keep low on a diamond
CLARITYDiamond-quality factor
CLARITYHigh-quality diamond attribute