For over 35 years and three generations, Len Larson Jewelry Company has been purchasing diamonds and fine jewelry from the public who want to get the guaranteed top price for their diamonds and fine jewelry. Located in Denver, Colorado, we are a direct cash buyer of diamonds.  Our extensive knowledge of diamonds and the diamond market assures that you will get the highest and fairest price.  We are GIA certified gemologists who will accurately appraise your diamond--- grading for clarity, color, cut and carat weight, according to GIA standards.  Our estate buyers can determine how much your loose diamond, wedding ring or family heirloom jewelry is worth.