LAS VEGAS, December 03, 2024--(BUSINESS WIRE)--Diamond prices rose for some categories in November. Pre-holiday demand and a drop in polished production halted the negative trend of the past eight ...
the square of the weight is multiplied by the price of a single carat; so that, for example, a rough stone of three carats costs 3x3x 2 or 18. It is similar with : cut diamonds, and in 1850 the ...