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Golconda diamonds are mined in the Godavari-Krishna delta region of Andhra Pradesh, India. Golconda Fort in the western part of modern-day Hyderabad was a seat of the Golconda Sultanate and became an important centre for diamond enhancement, lapidary, and trading.
Golconda diamonds were mined in the ancient diamond fields of Eastern India and are known as world’s finest gems
Actual mining of the Golconda diamonds occurred in alluvial soil settings, alongside river beds, and were found within a few feet of the surface of the land. [5] After the customary survey of geological formations between the river and the mountains, mining sites were selected and a clay cistern would be prepared on the spot for use in digging ...
Renowned jewellery historian and published author, Jack Ogden FGA, traces the history of Indian diamonds and questions the sustained marketing hype around the famous Golconda mines. Today India is the largest centre for diamond cutting, handling some 90 percent of the world’s diamonds.
Golconda is renowned for the diamonds found on the south-east at Kollur Mine near Kollur, Guntur district, Paritala and Atkur in Krishna district and cut in the city during the Kakatiya reign. At that time, India had the only known diamond mines in the world.
The original Golconda diamond mines were located outside of the fort, but within the territories of the Kingdom of Golconda. They comprised an area about 210 miles long by 95 miles wide. During the period of the 16th through the mid-19th century, there were roughly 20 mines in operation.Mining diamonds was difficult and arduous.
Diamonds from the Golconda mines are Type IIa, a particularly chemically pure form of the stone. Most diamonds have trace elements of nitrogen, which changes the light flow in the gem. A lot of nitrogen in the diamond will cause it to turn yellow.
Before the discovery of the diamond mines in Brazil and South Africa in the early 18th century, India was the sole supplier of the world’s diamonds, and much of its diamonds were mined in a small geographic area called Golconda in the present-day states of Andhra Pradesh and Telangana.
Researchers suggest that the famed Golconda diamonds, including the Hope Diamond and Koh-i-noor, may have originated from a volcanic outcrop nearly 200 miles from where they were mined.
Diamond Trade: Golconda was renowned for its diamond mines, which produced some of the world's most famous diamonds, including the Koh-i-Noor and the Hope Diamond. The kingdom's control over diamond mines and its expertise in diamond cutting and trading brought immense wealth and prosperity to Golconda.