Diamond necklaces include gorgeous group necklaces and single diamond pendants. I don't know what kind you have. Diamond brand stores do not provide recycling services. But there are many businesses that can recycle diamonds, such as diamond recycling companies, luxury recycling companies, pawn shops and jewelry stores. As for the recycling price, relatively speaking, the price of recycling companies will be more reasonable, and large recycling companies have physical stores, so recycling is more formal. Remember to bring your diamond certificate, original packaging, purchase certificate, etc. When recycling. The recycling company will evaluate diamonds according to their quality.