The rare four-headed stone idol called ‘Figure of Shiva as Brahma’ was auctioned for record $4.07 Million according to this report in Bloomberg. The idol belongs to the Chola period and is believed to have been created between 10th and 11th century. The auction was at the Sotheby's.
In another auction at the Christie's, on March 21, 2008, sale of ancient Indian art, a bronze statue of Goddess Parvati belonging to 1400 AD was sold for $2.7 million.