The Diamond Marriage Symbol is a collection that Kiefer Jewelers is proud to carry because it has a beautiful story. This unique piece features two interlocking circles which represent your union in marriage. Where the two circles overlap, there are three diamonds representing your past, present and future together. All Diamond Marriage Symbol necklaces include our upgrade program, so your piece can grow with your relationship. The Diamond Marriage Symbol by Ostbye is a member of the Responsible Jewelry Council (RJC) which means that they adhere to strict regulations for sustainability and ethical production. As a member of the RJC, Ostbye agrees to be randomly audited to assure that they are following the guideline of the RJC.