From HM Revenue & Customs site, below: "With effect from 1 February 2003 the UK along with the rest of the European Community will be introducing the Kimberley Process."In sum, this means that...
You can require a certificate from the Kimberley Process that covers a stone, which indicates that the stone is not a conflict diamond. You can read more about the Kimberley Process, below.
The Neil Diamond who is related to Louisa Diamond is not the singer rather a film-maker and son of George Elson the Metis guide from the famous and tragic Hubbard Expedition of 1903.