As predicted, Jerry Hall's engagement ring is made of platinum...

As predicted, Jerry Hall's engagement ring is made of platinum and a large carat diamond.

http://www.dailymail.co.uk/femail/a...iah-Carey-s-billionaire-engagement-rings.html

A 2014 report by Bain & Company similarly noted that China, India, and the United States will drive the majority of growth in diamond-jewelry consumption over the next decade, in part because of growing interest in diamond engagement rings in India and China, and stable interest in the U.S.

http://www.theatlantic.com/internat...-invented-the-diamond-engagement-ring/385376/

Regards

Zeta