Anant Ambani's wedding took us back to the days of Indian royalty. The jewellery collection of the Ambani family, became the talking point around the world. But we should also know about the Patiala Necklace commissioned by Maharaja Bhupinder Singh from Cartier jewellery house. The entire necklace had 2900 diamonds and weighed over 1,000 carats. It went missing in 1948.