कोहिनूर हीरा किस खान से प्राप्त हुआ था ? Kohinoor Diamond Mine

GK QUIZ in Hindi Short Video Golconda diamonds are diamonds mined in the geographic area known as the Godavari delta in the present-day Indian states of Andhra Pradesh and Telangana. Golconda Fort, located in the western part of modern Hyderabad, was a seat of the Golconda Sultanate and became an important center for diamond enhancement, lapidary and trading. Golconda diamonds have distinctive characteristics: they are graded as Type IIa, formed of pure carbon, are devoid of nitrogen, and are large in size with high clarity. They are often described as diamonds of the first water, making them among history’s most celebrated diamonds. The word “Golconda diamond“ became symbolic of diamonds of incomparable quality. For 2000 years Golconda diamonds were the only known fine diamonds in the world. Due to centuries of excessive mining, the Golconda diamond production has been exhausted since 1830 AD, therefore gemologists and traders have classified Golconda diamonds as antique, rare, and pr