For more than 100 years, Manufacturing Jewelers & Suppliers of America has been helping to advance the jewelry manufacturing industry. Jewelers Vigilance Committee (JVC) is a not-for-profit trade association whose mission is to maintain the jewelry industry's highest ethical standards. For both trade and consumers, they are the industry’s guardian of ethics and integrity. For the past 30 years, their manufacturing jewelers have been supplying precious metal, diamond and gemstone jewelry of sup…