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Diamond cutting and polishing – The technology of cutting and polishing diamonds was invented in India, Ratnapariksha, a text dated to 6th century talks about diamond cutting and Al-Beruni speaks about the method of using lead plate for diamond polishing in the 11th century CE. [125]
Diamond mining in India extends back into antiquity. From ancient times, India was the source of nearly all the world's known diamonds, and until diamonds were discovered in Brazil in 1726, India was the only place where diamonds were mined. India has not been a major diamond-producing country since the 1900s, but diamond mining continues.
The extent of the Indus Valley Civilisation. This list of inventions and discoveries of the Indus Valley Civilisation lists the technological and civilisational achievements of the Indus Valley Civilisation, an ancient civilisation which flourished in the Bronze Age around the general region of the Indus River and Ghaggar-Hakra River in what is today Pakistan and northwestern India.
The Heart of the Ocean, a blue diamond necklace in the film Titanic (1997), was designed by London-based jewellers Asprey & Garrard, who took inspiration from three diamonds of the French Crown Jewels known as The Regent, the Marie Antoinette Blue, and the Hope Diamond. [79] The pink, cushion-cut, 34.65-carat Princie Diamond used to be part of ...
4000 BC: Probable time period of the first diamond-mines in the world, in Southern India. [124] 4000 BC: Paved roads, in and around the Mesopotamian city of Ur, Iraq. [125] 4000 BC: Plumbing. The earliest pipes were made of clay, and are found at the Temple of Bel at Nippur in Babylonia. [126] [b]
A debt-ridden laborer in central India said his family’s life has been “changed forever” after he unearthed a 19.22-carat diamond worth almost $100,000. Indebted Indian laborer finds life ...
Kenoyer, J.M. (2006), "Neolithic Period", Encyclopedia of India (vol. 3) edited by Stanley Wolpert, Thomson Gale, ISBN 0-684-31352-9. Khan, Iqtidar Alam (1996), Coming of Gunpowder to the Islamic World and North India: Spotlight on the Role of the Mongols, Journal of Asian History 30: 41–5 .
Timeline of Indian innovation encompasses key events in the history of technology in the subcontinent historically referred to as India and the modern Indian state.. The entries in this timeline fall into the following categories: architecture, astronomy, cartography, metallurgy, logic, mathematics, metrology, mineralogy, automobile engineering, information technology, communications, space ...