De Beers, world's leading rough diamond suppliers hopes to invest more in India as it sees India and China as strong markets
B2B service to offer third party sales on membership basis, plans to exploit its brand value
Slowing demand from China and an industry-wide credit crunch led De Beers to lower prices about 15 per cent last year
Offers Forevermark consumers to sell their ornaments, solitaire to it at a fair price