According to www.statista.coms article on per carat diamond price in 1960, the average price for such a diamond stood of some 2.700 US dollars. Since then, the diamond price hos increased more than foto 29.680 ... dollars in 2015, of the price for per canit damond continue riting at the same average annual rate at which is been increasing ben 10 and 2015 the price in 2030 will be : . 11.nerea decimal places for any intermediate calculations, from the default 2 to or even higher Only round your final answer to TWO decimal places for examp. 70.00023 The diamond price has increased more than tenfold, to-29,650 U.S. dollars in 2015. it's been increasing between 1960 and 2015, the price in 2030 will be 2 to 8 or even higher! Only round your final answer to TWO dec ces: for example, 10,000.23.) 0 2 3 4 5 6