Yes, CROCHET is a Scrabble word!

Letter values in Scrabble US: C 3, R 1, O 1, C 3, H 4, E 1, T 1.

Is it a valid word?

CROCHET is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

create by looping or crocheting
make a piece of needlework by interlocking and looping thread with a hooked needle