Temasek Holdings of Singapore is considering investing $100 million for a 20% stake in Indian jewellery manufacturer BlueStone.
With the investment, Bengaluru-based BlueStone which is backed by Accel Ventures and Indian tycoon Ratan Tata would be valued at close to USD 500 million.
Temasek is conducting due diligence on the purchase, and if negotiations are successful, a deal may be reached as early as July or September.