Turning heads in tanzanite
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Kate Middleton's Jewellery Box: How To Dress Like A Duchess
3. Turning heads in tanzanite
Tanzanite gemstones are incredibly rare, but offer a beautiful purplish blue colour for gemstone lovers. Prince William reportedly bought Kate this earring and necklace suite earlier this year, feature some whopping great big gemstones and diamonds by royal jeweller G. Collins & Sons. They certainly match the deep blue of her engagement ring!