The iconic, velvety blue of Kashmir sapphires places these rare gemstones in an exclusive class of their own. The Pride of Kashmir, a 20.22-carat sapphire to be offered in Sotheby’s Magnificent Jewels & Jadeite sale in Hong Kong, presents a once-in-a-lifetime opportunity to own one of the most superb sapphires in existence. Ahead of the auction on 4 October, discover why the sapphire's allure has endured for generations.