That's a French green diamond wood peg. DW has very consistent sound from one peg to the next. If your getting different sound from another, 1) is it actually diamondwood, 2) is the handle the same weight and length?
that said, I have several colors of pegs in stock. I also have 1"dowels in stock to make 1 pc. I even have the French green 1" dowel. If your interested in one. PM me.