All you need to know about De Beers Diamonds
De Beers Group
How an Ad Campaign Invented the Diamond Engagement Ring - The Atlantic
A Glimpse over Distinctive Features of ALROSA and De Beers' Diamonds
De Beers
How Do You Responsibly Close a Diamond Mine? - Fashionista
The 15-Carat 'De Beers Blue' Diamond Fetches $57.4 Million
How to Buy an Engagement Ring: Diamond Ring Shopping Guide
De Beers to sell synthetic diamonds: Here's how they are made, The Independent
Sotheby's and De Beers Announce the Sale of Eight Rare Fancy Blue Diamonds - Only Natural Diamonds