Summary:
A rare pink diamond ring worth half a million Australian dollars ($400,000; £337,000) has been stolen from an Australian jewellery store.

Full article:
A unique diamond ring worth at least $577,000 was stolen in broad daylight from a Sydney auction house. The pink argyle and white diamond band was on a display counter at Theodore Bruce Auctions in Alexandria when it went missing. Police are appealing to the public a for assistance in locating the dazzling piece which is believed to have been taken between 12:30pm and 1.25pm on Saturday. Scroll down for video . The pink argyle and white diamond ring, worth at least $577,000, was stolen from Theodore Bruce Auctions on Saturday . About 100 people were walking through the auction centre during the time it was stolen, police revealed. However each of the diamonds in the ring has been laser inscribed with a serial number. More than 90 per cent of the world's Argyle diamonds are sourced from The Argyle Diamond Mine in West Australia's Kimberly desert. The diamonds are so incredibly rare that the Argle Pink Diamonds website writes: 'an entire year’s worth of Argyle pink diamonds over half a carat would fit in the palm of your hand. The rarest of the rare, blue and violet, would barely fill a teaspoon'.