There appears to be two things going on here. First, millennials are seemingly less enthralled with buying diamonds as tokens ...

The controversial decision to make and market synthetic, or laboratory grown diamonds, was an attempt by De Beers to be a player at the cheap end of the gem business, a place in which it has never ...

Diamonds aren’t rare ... Gerety—who never married in her lifetime—came up with the “A Diamond is Forever” tag, which is still used by De Beers and the diamond industry today.