The Diamond Center is family owned and operated with two Jewelry Shop locations in Janesville, WI and Madison, WI. Both owners have worked from the bottom up within the industry and understand the meaning of hard work. That experience has given them appreciation for our customers, which you will see each and every time you come to The Diamond Center. Through hard work and determination, they built The Diamond Center into one of the highest accredited jewelry stores in the nation! Our philosophy over the years has been to provide quality service at the best price GUARANTEED. This, coupled with the vast selection and best warranty and service programs available, has positioned us as a leader in the industry. When people think of diamonds, bridal jewelry, engagement rings, colored gemstone jewelry, watches and giftware, The Diamond Center is at the top of everyone’s list.