![An 83 carat diamond named the "Riet River Royal" is seen next to an Australian 20 cent coin in Sydney December 12, 2000. The massive gem was discovered by Australian mining company An 83 carat diamond named the "Riet River Royal" is seen next to an Australian 20 cent coin in Sydney December 12, 2000. The massive gem was discovered by Australian mining company](https://c8.alamy.com/comp/2D3M18K/an-83-carat-diamond-named-the-riet-river-royal-is-seen-next-to-an-australian-20-cent-coin-in-sydney-december-12-2000-the-massive-gem-was-discovered-by-australian-mining-company-majestic-resources-at-its-new-riet-river-mine-in-south-africa-on-december-1-and-is-expected-to-sell-at-auction-uncut-early-next-year-for-one-million-australian-dollars-us540000-the-stone-once-it-has-been-cut-into-two-and-polished-is-expected-to-be-valued-at-a3-million-us162-million-and-to-be-sold-to-either-the-asian-or-middle-east-markets-2D3M18K.jpg)
An 83 carat diamond named the "Riet River Royal" is seen next to an Australian 20 cent coin in Sydney December 12, 2000. The massive gem was discovered by Australian mining company
![Hispanic hand holding australian dollars banknotes over isolated pink background. Stock Photo | Adobe Stock Hispanic hand holding australian dollars banknotes over isolated pink background. Stock Photo | Adobe Stock](https://as2.ftcdn.net/v2/jpg/03/87/83/85/1000_F_387838550_AbUAZdwD0WA7nitj10v6HcIth0A23qW4.jpg)
Hispanic hand holding australian dollars banknotes over isolated pink background. Stock Photo | Adobe Stock
![Queen Elizabeth II Australian 1 Dollar Banknote. Commonwealth - Etsy | Bank notes, Dollar banknote, Elizabeth ii Queen Elizabeth II Australian 1 Dollar Banknote. Commonwealth - Etsy | Bank notes, Dollar banknote, Elizabeth ii](https://i.pinimg.com/736x/f6/fd/f0/f6fdf09ff0adaf1919880f57f5171adf.jpg)