More and more investors are turning to various Natural Fancy Coloured Diamonds and specifically to Argyle Pink Diamonds for investment purposes. Description from colourdiamonds.com. I searched for this on bing.com/images
'The Arabella 0.66 Argyle Pink Princess Cut Diamond' - A stunning and extremely rare 0.66ct Argyle Pink Princess Cut Diamond paired with two Oval Argyle Pink Diamonds, surrounded by White Diamonds. This archive design is proudly being worn by its new owner.