According to a commodity trading

According to a commodity trading for many years in the diamond industry, the world's diamonds are almost all produced in Belgium, South Africa, Israel and Mumbai, India. Diamond mining came out, first to see business come to purchase goods, bargaining. Currently, diamond supply and ex-factory price, basically De Beers in South Africa, Australia, BHP Billiton and Russia A Luosha the monopoly and control.

Sightholders purchase is completed, then the diamond sent to Antwerp, Belgium, Tel Aviv, Israel, United States New York or Mumbai, India to be cut. Among these, Antwerp is known to cut high-quality, exquisite fancy Tel Aviv in order to cut the main places in New York-based diamond processing of large particles, while 80% of global Suixiao diamond cutting in India.

Subsequently, the cut would be a good diamond trading in the four cities to receive global customers purchase. As the diamond trading center for sale, the price is equal to the global customers, therefore, miners and sightholders pricing, directly determines the cost of the diamond. The industry expects profits in the diamond, the two giants would take away 60% to 80%.