Its a good week for the jewellers who were waiting for some sort of standard guidance on colored diamonds,as The Jewelers Vigilance Committee (JVC) and the Natural Color Diamond Association (NCDIA) have released "The Essential Guide to the U.S. Trade in Color Diamonds," this week.

There are many queries from the industry about the laws governing the manufacture, sales and marketing of colored diamonds,so this guide is in response to these queries providing people with full fledged information on colored diamonds.This guide is excellent in providing FAQs regarding colored diamonds and also guiding us on when the diamond treatments must be disclosed.It has perfect overview of geology of natural-color diamonds, simplified nomenclature to describe "natural," "synthetic" and "simulated," and a description of treatments used to alter the color of the stones.

Cecilia L. Gardner, JVC's president, CEO and general counsel of the guide said, "Natural color diamonds are often imitated as they are found very rare hence very expensive,consequently giving manufacturers no option but to develop new technologies to create synthetic and imitations.The guide contains very informative guidelines on various treatment procedures like if a diamond requires special care or treatment significantly affects the value of the gemstone.It explains the information that jewelers need to disclose if a diamond has been treated, if the treatment is not permanent."

Robert May, NCDIA executive director, said to maintain consumer trust in the diamond industry and to protect the pre-eminent position of natural-color diamonds legal compliance is necessary.

May also said " the guide is very simple to understand,explains laws  requires honest and timely disclosure for all diamonds.the consequences of a technological treatment that began this morning or legal compliance and proper disclosure is imperative when a color diamond might be the result of geological processes that began millions of years ago.so This guide is an  essential tool for sales associates or anyone communicating with consumers about color diamonds."