rare royal blue sapphire necklace sells christies hong kong 1234763538

A rare sapphire necklace known as the “Royal Blue” sold for HKD 125,450,000 ($16,131,051) at Christie’s Hong Kong on Tuesday, during the auction house’s Hong Kong Luxury Week Autumn 2025. The necklace, featuring 104.61 carats of Kashmir Royal Blue sapphires, was the highlight of the “Magnificent Jewels” sale and fell within its pre-sale estimate of HKD 100–150 million.