diamond setter

14 LETTERS · STARTS WITH D

diamond setter is a valid 14-letter word worth 17 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2I1A1M3O1N1D2S1E1T1T1E1R1

2 + 1 + 1 + 3 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 1 + 1 + 1 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does diamond setter mean?