“I have been purchasing diamonds for a long time now but I did not know coloured diamonds are naturally found! “Purchasing a diamond includes careful consideration and comparison between the 4C’s – Cut, colour, clarity and carat. But the question is do we really know our diamonds, the ones we buy? Tanishq jewellery in Madurai organized a workshop to educate its customers on the whats and whys of the diamond trade and the importance of knowing them. The session was handled by Vidya Mazumdar, a leading expert in jewellery and diamond industry, who came from Antwerp..