U.S., Jan. 12 -- One of the worlds largest diamond and jewellery manufacturers and retailers has embarked on a major supply chain transparency transformation, as it looks measure every step of the diamond value chain.

Tiffany & Co. announced in a statement this week that, through its Diamond Source Initiative, it will trace each and every one of its individually registered diamond and make the data available to its consumers to ensure its diamonds are among "the most responsibly sourced in the world".

The Diamond Source Initiative will represent a major step for diamond transparency and by 2020, Tiffany & Co will disclose the craftmanship journey in an industry first move.

"Diamonds, formed up to 3 billion years ago and brought to the ea...