In addition to jewellery manufacturing and custom created jewellery pieces The Coloured Diamond Exchange ( also known as The CDX ) boasts that all of the diamonds we offer are natural and are from conflict free sources. We provide Natural Fancy Coloured Diamonds in all sizes and colours and we offer an incredible selection of round and fancy shapes. Whether you are a serious collector already building a portfolio of coloured diamonds or whether you are brand new to this market trying to figure out what all the excitement is - we can help you and we guarantee to find what you want regardless of budget demands. It's important to note that each diamond we sell is accompanied by a certificate issued by at least one independent gemological laboratory, certifying your diamond and we are proud to provide our 30 day money back guarantee covering all purchases if items supplied are not as described.