It's official. The Princess Diana ring is now the classic engagement ring of choice. Buy our sterling silver blue sapphire royal engagement ring and you have made an investment in style. Everyone knows this stunning blue sapphire ring and like any classic, the world takes note when you wear it. Royal engagement rings are the epitome of good taste and exquisite detailing. This beautifully faceted blue sapphire cz stone encircled by clear czs faithfully replicates the engagement ring given to Kate Middleton by Prince William. Buy it today and your own engagement is sure to make headlines.