Diamond

Diamonds help cool computer chips, enabling faster AI, high-performance

The dirty secret in chips is that more than half of all energy is wasted as leakage current at the transistor level, said R Martin Roscheisen, an electrical engineer

US tariff impact: Cut and polished diamond exports to fall 17-20% in FY26

India processes over 90 per cent of the world's polished diamonds by volume and exports nearly 47 per cent of the country's total gems and jewellery exports

Woman finds eight diamonds worth several lakh at mine in MP's Panna

A woman labourer has found eight diamonds, which could fetch her lakhs of rupees, at a mine in Madhya Pradesh's Panna district, an official said on Saturday. Rachna Goldar, a local resident in her 50s, found eight precious stones with a total weight of 2.53 carats, six of which are of high quality, the official said. Diamond expert Anupam Singh said, "The biggest diamond weighs 0.79 carat. Besides, two stones are off-colour." He said Goldar deposited the stones at the district diamond office, from where they will be put up for auction, and are likely to be worth several lakh rupees. Goldar, mother to three grown-up children, had taken a mining lease in the Hazara Mudda area and found the stones while digging. She expressed hope that the auction proceeds would improve her financial condition. In Panna, an eight-metre mining plot is leased for Rs 200 annually. Diamond auctions are held every three months with traders from across the country participating. The final auction price i

Surat diamond traders express concern as 50% US tariffs hit exports

The industry, which employs over 800,000 skilled artisans, is heavily reliant on the US market, accounting for approximately 32 per cent of India's diamond exports

Amid lab-grown rise, Tanishq launches diamond expertise centres

Tanishq, in collaboration with De Beers, introduces three diamond expertise centres, focusing on providing clarity around lab-grown diamonds

GIA to expand Indian offerings, revise grading for lab-grown diamonds

GIA will stop using traditional clarity and colour scales for lab-grown diamonds and expand services in India to support rising consumer confidence in jewellery

Rare Golconda blue diamond with royal ties heads to auction in Geneva

Once part of India's royal treasure, the 23.24-carat Golconda Blue diamond will make its auction debut at Christie's Geneva, estimated at up to $50 million

Lab-grown diamond jewellery brand Firefly raises $3 mn in funding

Seed funding rounding for business expansion was led by WestBridge Capital

Laboratory-grown diamonds can be a girl's best friend forever, too!

The newest trend in jewellery, lab-grown diamonds have the added advantage of being eco- and wallet-friendly, besides being free of ethical concerns around mining practices

Vedanta declared preferred bidder for diamond block in Madhya Pradesh

It said it is the highest bidder with a final price offer of 1.10 per cent

Canadian firm discovers world's second-largest diamond in Botswana

A 2,492-carat diamond was found in Botswana, which is the second largest, and now only behind the 3,106-carat Cullinan diamond that was found in South Africa

Budget 2024: India promises safe harbour rates for diamond industry

With over 90 per cent of the world's diamonds being processed in India, primarily in the city of Surat, the sector is renowned for its skilled workforce and intricate craftsmanship

Chopra to start Olympic buildup at Diamond league along with Kishore Jena

Olympic champion Neeraj Chopra's Paris Games preparations will be put through a stern test when he begins his season in the first leg of the prestigious Diamond League one-day meet series against a star-studded but familiar field, here on Friday. The 26-year-old Indian javelin superstar, who is also the reigning world and Asian Games champion, will be up against the likes of former world champion Anderson Peters of Grenada and Olympic and world-medallist Jakub Vadlejch of Czech Republic. Asian Games silver-medallist and his compatriot Kishore Jena will also be in the fray as he makes his Diamond League debut. Jena has a personal best of 87.54m while Chopra's all-time best is 89.94m, which is also the national record. European champion Julian Weber of Germany, fourth in the Olympic Games and World Championships, will also compete in the 10-man field. The league will then move to Morocco on May 19. Chopra is also the defending champion here as he had set the tone for his title-laden

TMS Ep461: Tesla Motors, new vs old IITs, PSU stocks, green diamonds

Can Tesla do a Maruti for India's EV ecosystem? How can new IITs catch up with older ones? How to play PSU stocks amid divestment slowdown? What are green diamonds? All answers here

Budget: Initiative to boost lab-grown diamond sector cheers Surat industry

The Union government has announced a package for Research and Development for five years, which will give a jump to lab-grown diamonds

Diamond broker held for decamping with Rs 7.86-cr precious stones in Guj

A diamond broker was arrested for allegedly decamping with precious stones worth Rs 7.86 crore collected from different traders in Gujarat's Surat city, police said on Sunday. The accused had procured the diamonds from 32 different traders based in the city on the pretext of getting better rates and later absconded with them, an official from Varachha police station said. The man left his mobile phone with his sister-in-law and asked her to format it and destroy the SIM, he said. "An FIR was registered under sections 406 (criminal breach of trust) and other relevant provisions of the Indian Penal Code," the official said. The police kept a watch on the house of the accused man's relative in Surendranagar and arrested him, he said. The police recovered the stolen diamonds and jewellery worth Rs 2.9 lakh from his possession, the official said. The accused claimed that he was fed up with the diamond business, which his father had handed over to him and wanted to start his own garage

Diamond production down 21%; 10K workers lose jobs, salary cuts for others

According to Surat Diamond Workers union's rough estimate, some 10,000 diamond workers have lost their jobs in the last few months because of production cuts and small units closing down

De Beers positive on India; expects business this year similar to 2021

This year, the first six months have been strong and the positive consumer sentiment continues and the company is hopeful the business will be similar to last year, De Beers India MD Sachin Jain said.

Surat diamond industry pins hope on new mines amid staggered work

With some mines in Botswana being put to work, rough diamond trade could ease by 10% amid US sanctions on Russia's Alrosa which commands 27% global supply

The Rock, the largest white diamond ever to appear at auction

Christie's announces The Rock, a 228.31 carat pear-shaped diamond that will lead the Geneva Magnificent Jewelssale on May 11, 2022, as part of Christie's Luxury Week.