Christie's Jewellery on Instagram: "Countdown to 2026 featuring the Magnificent Blue Belle! One of the world’s rarest sapphires, both in size and quality. This magnificent specimen ranks as one of the most prestigious colored gems to have come to the market and Christie’s was honored to once again present the Blue Belle to our extraordinary collectors in New York Magnificent Jewels in 2025. THE BLUE BELLE A Superb Ceylon Sapphire and Diamond Necklace of 392.52 carats Sold: $11,335,000 Magnificen