Diamonds: The Greatest Marketing Scam Of All Time, by MediaVSReality
The Truth Behind Lab-Grown Diamonds - Air Mail
De Beers seen as a multiple brand company
Diamonds Aren't Forever: The Story of De Beers
De Beers Said to Cut Diamond Prices as Much as 9% - Bloomberg
Engagement ring - Wikipedia
Peridot Folklore and Mythology
De Beers the rise and fall of a unique monopoly – London DE
Guy Refuses To Spend $10k On An Engagement Ring, Gets A Reality Check Online
How an Ad Campaign Invented the Diamond Engagement Ring - The Atlantic
De Beers Group doubles down on natural diamonds with the return of the iconic 'A Diamond is Forever' category campaign – De Beers Group