Yes, GRAVURES is a Scrabble word!

Letter values in Scrabble US: G 2, R 1, A 1, V 4, U 1, R 1, E 1, S 1.

Is it a valid word?

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

a printing process that uses an etched or engraved plate; the plate is smeared with ink and wiped clean, then the ink left in the recesses makes the print
a printing plate used in the process of gravure
an intaglio print produced by gravure
the act of intaglio printing

Also: intaglio printing.

Not playable in Scrabble US: HELIOGRAVURE.