Topping the two main sapphires are oval and round diamonds. The price for the earrings shot up to more than $2.2 million, nearly four times their high estimate. The second Harry Winston piece was ...
De Beers, the world’s biggest producer of natural diamonds, has slashed its prices by 10% to 15%, Bloomberg reported. Blame man-made, or lab-grown, diamonds, for one thing. Other factors include ...