LONDON, UNITED KINGDOM - APRIL 12: A staff member holds 'The Amazon Queen', an impressive Colombian emerald weighing 280.84 carats, estimate: $1,500,000-2,600,000 during a photocall at Phillips auction house showcasing the highlights ahead of its Geneva Jewels Auction in London, United Kingdom on April 12, 2024. (Photo by Wiktor Szymanowicz/Anadolu via Getty Images)
