Rough diamonds, fit for cutting, are sold at 41 13s. 4d., to 42 the carat. A carat is rather ... mode of estimating the value, a perfect brilliant weighing half a pound, would be worth 420,000,000.

the value of diamonds is determined by a multitude of factors, including cut, color, clarity and carat, commonly known as the 4Cs. These factors make the valuation of diamonds more subjective.

Worn at Queen Elizabeth II’s coronation in 1953, the 300-carat diamond necklace sold Wednesday for more than twice its ...

Play Video But on that day, a 2,492-carat diamond — believed to be the ... been going through its own upheaval amid a collapse in the price of diamonds in recent years. Lamb, who is based half a world ...

Prices for lab-grown diamonds will continue to fall over the next year, he said. Zimnisky didn't have a price target ... you're the only one with a three-carat diamond. But … if you go to ...

Old-Fashioned Values: Vintage settings and stones are ... Amanda Anka has this to thank fiancé Jason Bateman for: a three-and-a-half-carat diamond in a delicate twenties setting from Neil Lane.