uncut diamond evaluation book

The Valuation and Investment Merits of Diamonds is the first book that deals with the economics of diamonds, specifically with the determinants of diamond prices. The period of 1978-1983 was chosen in order to shed light on the dramatic drop in diamond prices. Khoury clearly identifies these determinants, distinguishing them from one another by the level of impact they have on diamond prices. This book includes: a quick review of the characteristics of cut and uncut diamonds, the financial performance of DeBeers in a declining market, the economic structure of the diamond industry, the method for
 exercising economic control over the diamond market, the economic variables influencing diamond prices, and the modeling of diamond prices and the testing of the model utilizing advanced statistical methods.


The Centenary Diamond was born on 17 July 1986 in the Premier Mine through the "electric X-ray recovery system" discovered. The rough diamond weighing 599.10 cts. His discovery was the day before the 100th Announced the birth of De Beers. After completion of grinding and polishing by Gabi Tolkowsky diamond weighed the exceptional 273 ct.

On the 100-year anniversary of De Beers on 11 March 1988 Kimerly tracked 400 people, the welcome speech of the Board Julian Oglivie Thompson, totally unprepared for his last sentence: "We have recovered at the Premier Mine a diamond of 599 carats Which is perfect in color - indeed it is one of the largest top-color diamonds ever found. Naturally it will be called the Centenary Diamond. "

Translation: "We have in the Premier Mine a diamond of 599 ct discovered in perfect color - it is in fact one of the largest diamonds ever found with this high-quality color course, he is called Centenary Diamond..." (= Centenary centenary).


The Cullinan Diamond