Before the adventurers and the investors stepped on this land and develop the famous Kollur mine of India in the 17th century, the region of Golconda would have already been the most important production and trading center of diamonds in the whole world. According to the archives, until that date, almost all diamonds in the world have been produced by several dozens of mines in this region for more than 2000 years. The earliest record is up to the 4th century B. C. After introducing the labor-intensive measure of industrial mining, the Kollur mine had a head start on the route of largescale diamond production. The population of the Kollur region was around a hundred thousand at the time, the number of employees of the mines among them was up at 30 to 60 thousand strong. The golden era of the Kollur mine and Golconda region continued to the mid-19th century for nearly two centuries. The Golconda region produced, at its peak, to the scale of 12 million carats of highquality diamonds. The Hope Diamond, which is among the most
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The world-famous Koh-i-noor diamond was found in one of the mines of the fort in Golconda. 世界著名的 Koh-i-noor 鑽石是在戈爾康達的一個礦山中發現的
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Golconda Fort in Hyderabad, India. Golconda堡壘，位於印度海得拉巴
famous blue diamonds, was discovered at Kollur. Today, the past glory of Golconda keeps its prestige on the global market, due to the special chemical structure and the rare purity of its diamonds.
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