If you’re looking to buy then look no further. Pittsfield Precious Metals has a huge variety of GIA-certified stones as well as loose diamonds and all kinds of modern and antique jewelry. Surprise your wife with a larger diamond! If you’re in the market, Pittsfield Precious Metals has a huge variety of GIA-certified stones as well as loose diamonds and jewelry. Wholesale buyers and jewelers are definitely welcome – drop in and say hi.