But if the stones ' are above one carat, the square of the weight is multiplied by the price ... weighing half a pound, would be worth 420,000,000. Some have stated that such a diamond exists ...

1-carat RAPI down 1.5%. LAS VEGAS, November 05, 2024--(BUSINESS WIRE)--Diamond prices declined in October but stabilized in the month’s second half. US buyers purchased for the holiday season ...

LAS VEGAS--(BUSINESS WIRE)--Diamond prices declined in October but stabilized in the month’s second half. US buyers purchased ... Diamond Index (RAPI™) for 1-carat diamonds — reflecting ...

1-carat RAPI down 1.5%. Diamond prices declined in October but stabilized in the month’s second half. US buyers purchased for the holiday season ahead of India’s Diwali shutdown. However ...