Hassaclobaljems Diamond Company, . is a global provider of polished diamonds, rough diamonds, jewelry and precious metals. Hassanclobajem is a backed by The Guess Corporation Company, Inc. a diversified private holding and operating company. As a broker and dealer we only sell to commercial customers. Through our advisory division we will provide custom jewelry for select clients including high-end retailers who are developing branded products, and also provide appraisal and accelerated marketing services.