Princess Diana's sapphire engagement ring
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Kate Middleton's Jewellery Box: How To Dress Like A Duchess
2. Princess Diana's sapphire engagement ring
Prince William presented Kate with this 12ct Ceylon sapphire engagement ring, which used to belong to his mother. The oval shaped gem is surrounded by 14 sparkling diamonds in an 18ct white gold-setting. The ring was created by prestigious British jeweller Garrard & Co., which can be found on Bond Street to this day. How could you say no to a Prince down on one knee with a whopping sapphire?!