• Princess Diana was known for her impeccable taste in fashion and jewelry. From her stunning engagement ring to her iconic tiaras, every piece she wore captured the world's attention. Among her vast collection of jewelry was a magnificent aquamarine ring that she wore on several occasions. • The ring's unique design and exquisite gemstone have made it a favorite among royal jewelry enthusiasts. But how many carats is Princess Diana's aquamarine ring? In this article, we'll dive deep into the history, characteristics, and carat weight of this royal jewel.