Allison-Kaufman Company, in business since 1920, is one of the oldest and most respected diamond jewelry manufacturers in the United States. They have a commitment to manufacturing the best in fine diamond jewelry for nearly a century. Their quality and workmanship is unsurpassed and their styling is legendary. Allison Kaufman has a knowledgeable and experienced staff that selects only the most brilliant diamonds to be meticulously hand set into exquisite, handcrafted Allison-Kaufman diamond jewelry.