De Beers - Wikipedia
Does De Beers have a monopoly on the diamond industry? How is this legal, and why has this company not been broken up by antitrust suits? - Quora
PDF) The De Beers and Sumitomo synthetic gem diamonds
De beers diamond dilemma
De Beers Case, PDF, Diamond
Something about Diamonds - Fred E. Ullmann, 1944
A Diamond is Forever – Genius Marketing That Tricked The Whole World - Kickstart Side Hustle
Case study of the De Beers Diamonds – Messy Oaks by John Roland
De beer's diamond dilemma case study
DOC) CASE STUDY DIAMONDS ARE FOREVER ….. AND SO ARE THE PAYMENTS
Strong Origins: Current Perspectives on the Diamond Industry