From Gwen Stefani's $500,000 sparkler to Mariah Carey's 35-carat emerald-cut diamond, here are the most expensive celebrity ...
Good said lab-grown diamonds tend to cost about 30 to 40 percent less than mined diamonds of the same carat, colour, cut and clarity. Near New York City's Diamond District, gemologist David ...
For instance, if the price of a diamond is $5000 and the weight of the same diamond is 0. 75 carats, you would calculate the price per carat as follows: Diamond Price Per Carat = $5000 / 0. 75 ...