CIBJO: 4Cs for Natural Diamonds Only, Lab Growns are “Synthetics”
(IDEX Online) – Only natural diamonds should be graded with the 4Cs, says CIBJO (the World Jewellery Confederation). And the word “synthetic” should be regarded as the preferred term to describe diamonds created through industrial processes. CIBJO, the body that represents the gem and jewelry industries globally from mine to marketplace, aims to reinforce the distinction […]