Share 'This one is for you, Australians!'

I read an interesting article about the "Once in a Blue Moon" diamonds produced in Australia. The article reads: "Perth, Australia--Rio Tinto is set to showcase a selection of diamonds as rare as a blue moon. A sale of blue diamonds known as the "Once in a Blue Moon" collection will be held as a closed tender in Hong Kong, Tokyo and Perth, Australia, prior to bids closing on April 8, according…