WE SPECIALIZE IN PURCHASING LARGE DIAMONDS 1.50CT AND UP WITH OR WITHOUT CERTIFICATION. ALSO, WE PURCHASE ENTIRE JEWELRY ESTATES INCLUDING FINE WATCHES.  WE ARE LICENSED BUYERS IN DENVER FOR OVER 30 YEARS!  WE OFFER COMPLETE GEMOLOGICAL AND APPRAISAL SERVICES. NOTHING TOO BIG OR TOO SMALL.  IMMEDIATE, SAME DAY PAYMENT.