Kestenbaum & Weisner offers the finest quality diamonds, gemstones and jewelry since the 1980’s. Philip Weisner has committed to client service as the company’s first priority. Combining their diamond cutting factory, jewelry manufacturing wholesale diamond trade and their Fifth Avenue showroom, Kestenbaum & Weisner is able to offer the customer an excellent value for his or her time and money. The goal is to provide the customer with a completely satisfying shopping experience resulting in a life-long Client as well as friend.