DiamondBuzz
Petra Diamonds Confirms Vivek Gadodia and Juan Kemp as Joint CEOs, Strengthens Board Leadership
New permanent appointments aim to drive operational stability, corporate efficiency, and long-term value creation.
Petra Diamonds has officially named Vivek Gadodia and Juan Kemp as joint CEOs, following approval at the company’s annual general meeting on November 27. The duo, who have served as joint interim CEOs since February, will now continue in these roles on a permanent basis. Gadodia will lead the corporate strategy, while Kemp will oversee the miner’s operations, with both reporting regularly to the board.
“In the past nine months, we have shaped Petra into a more streamlined and resilient business as we worked through the company’s refinancing. We are committed to guiding the organisation forward, with a clear focus on delivering our extension projects and unlocking value for stakeholders in the short to medium term,” they said.
In parallel, Petra Diamonds has expanded and reshaped its board. Kushal Kamir, a finance veteran with more than 30 years of global experience in corporate banking, investment management, and credit markets, has joined as a nonexecutive director. Lerato Molebatsi has been appointed senior independent nonexecutive director, while José Manuel Vargas will now chair the remuneration and nomination committees. All appointments take effect immediately.
At the same time, Alex Watson, board observer, and Bernard Pryor, senior non-executive director and chair of the nomination committee, have stepped down from their roles.
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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