The matching necklace features an inverted pear-shaped 6.3 carat tanzanite pendant, surrounded by .87 carat of diamonds, set in platinum.
It is priced at £8,400.
The item is made to order and has a slim headband in the colour of your hair, designed for discretion.
On her feet were a pair of Aquazzura slingback heels, believed to be the Love Link Sling 105 design.
They are currently avaialble for £810 and come in six colours, including the blue Kate wore.
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