DiamondBuzz
Surat diamond manufacturers implement summer shutdowns on lower demand
Diamond manufacturers in Surat, India’s diamond polishing hub, have begun implementing summer shutdowns for the first time in years as demand for natural stones remains persistently weak and the threat of steep U.S. tariffs looms over the industry.
Traditionally, factories in Surat—home to nearly 4,000 diamond units—take their main annual break during Diwali, remaining operational through the summer months. However, the ongoing downturn has prompted many units to extend Diwali closures and introduce unpaid summer breaks, a move not seen in previous years.
Around 10% of Surat’s diamond factories have declared a summer holiday of at least 15 days, with some major units planning to stay shut until June 6, according to industry sources and local media reports. The closures have triggered an exodus of thousands of migrant workers, many of whom are returning to their hometowns in Saurashtra and North Gujarat as operations wind down.
DiamondBuzz
Motorsport Meets High Jewellery: Hannah St John Turns Heads with ‘La Velocita’ Diamond Necklace at F1 Event
A 25-carat, 1,800-diamond Masterpiece Inspired by Formula 1 circuits Takes Centre Stage at the Glamour on the Grid ahead of the Australian Grand Prix
At the glamorous lead-up to the Australian Grand Prix, Hannah St John, partner of Liam Lawson, made a striking statement at the Glamour on the Grid event with a one-of-a-kind diamond necklace that seamlessly blended motorsport and haute jewellery.
Titled “La Velocit” (The Speed), the necklace was crafted by Australian atelier Martin Rogers Jewellery. The extraordinary piece features approximately 1,800 diamonds totalling 25 carats, intricately arranged to trace the outlines of iconic Formula 1 circuits from the global racing calendar.



A true testament to craftsmanship, the necklace required an estimated 250–300 hours of meticulous handwork, including weeks dedicated solely to precision diamond setting. Valued at around AUD $500,000 (approximately $350,000 USD), the piece stands as a bold fusion of speed, design, and luxury artistry.
Blurring the lines between engineering inspiration and fine jewellery, “La Velocità” captured attention across the paddock, proving that Formula 1’s influence extends far beyond the track.
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