More than 50 years ago the saying was that a fiance-to-be should spend two months’ salary on the engagement ring. Young men who did so were able to get a lovely diamond ring within their budget. That was a long time ago. [...]

The latest news is that De Beers is now venturing into the lab-grown diamond industry. For argument sake, if you have a powerful brand worth $100 million and then you add imitations to your brand, which basically have less resale value, you've managed [...]