This location can conduct business in English. Accept Cash. Pawn loan is a huge part of Naperville Jewelery & Coin Exchange business, as well as watch repair, buy, sell and trade, warranty. The most favorite things to buy and sell in Naperville Jewelery & Coin Exchange are: gold, silver, jewelry, loose stones and coins, plus watches like Rolex, TV's, home theatres, iPhones, iPads, Macbooks, car audio, top brand tools like Hilti, Makita, Bosch, work radios, xbox, playstation, nintendo game consols and gears, musical instruments and equipment, stage light, sport stuff, hunting, fishing and camping equipment. Naperville Jewelery & Coin Exchange offers customers excellent customer service as you can see in reviews.