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Allison Kaufman Allison-Kaufman Company, in business since 1920, is one of the oldest and most respected diamond jewelry manufacturers in the United States. Our family owned business has had a commitment to manufacturing the best in fine diamond jewelry for nearly a century. Our quality and workmanship is unsurpassed and our styling is legendary. Our knowledgeable and experienced staff selects only the most brilliant diamonds to be meticulously hand set into exquisite, handcrafted Allison-Kaufman diamond jewelry. SHOP NOW Earrings Featured piece: 14KT Gold Earrings - EARR .19 BAG .30 TW SHOP NOW Carizza Carizza features some of the most intricate pieces from our diamond bridal collection. Every piece is masterfully handcrafted and embodies a sense of artistic expression that is sure to excite even the most discerning clientele. Each Carizza design is available in a select choice of precious metals. SHOP NOW Watches View our Watches at Corwin's Jewelers. SHOP NOW Pendants Featured piece: 14KT Gold Pendant - PENDANT .20 TW SHOP NOW Engagement View all Engagement including Women's Wedding Bands and Men's Wedding Bands SHOP NOW Estate View all Estate including Estate-Rings, Estate-Necklaces, Estate-Pendants, Estate-Pins, Estate-Earrings, and Estate-Bracelets SHOP NOW Custom View all Custom including Custom-Rings, Custom-Pendants, Custom-Earrings, and Custom-Bracelets SHOP NOW Bracelets Featured piece: 14KT Gold Bracelet - BRACELET .14 TW SHOP NOW Rings Featured piece: 14KT Gold Semi-Mount Engagement Ring - LDS SEMI DIA RG .04 TW - HOLDS 0.75 CTR SHOP NOW Necklaces Featured piece: 14KT Gold Necklace - NECK .35 GREEN GARNET .55 TGW SHOP NOW Off the Cuff Collect these colorful, fashionable and fun bracelets. Colored rubber bracelets with freshwater cultured pearls, coordinated glass beads, stering silver and gem stones. VIEW COLLECTION