Ring bought for £10 at car boot sale is sold for £657k
A diamond ring which was purchased at a car boot sale for £10 has been sold for £656,750 at auction.
The cushion-shaped jewel was expected to fetch up to £350,000 when it went under the hammer at Sotheby's in London, but in the end was snapped up for close to twice that amount.
Named the 'Tenner' diamond, the ring was originally purchased in the 1980s from a car boot sale.
The 26.27 carat diamond is thought to have been cut in the 19th century, but its history and how it arrived at the sale is unknown. The owner assumed it was a decorative costume jewel and had no idea of its value.
Another highlight of the Sotheby's sale was a Cartier diamond brooch worn by Margaret Thatcher on a number of high-profile public occasions, including the day she offered her resignation as Prime Minister to the Queen.
With its geometric chevron design, the brooch piqued the interest of buyers to achieve £81,250.