Hannah St John turned heads at the Australian GP's Glamour on the Grid wearing a one-of-a-kind masterpiece titled "La Velocità." @hannahstjohn At first glance, it's a stunning diamond lattice—but look closer and you’ll find the silhouettes of all 26 F1 circuits hidden in the design. Over 1,800 hand-set diamonds total of 25 carats approximately. This 2026 circuits necklace estimated to be around $ 350,000 USD ( approx. $500,000 AUD). It's the perfect mix of "petrolhead" and "p