Given to: The Cambridge Duke and Duchess Contributed by: Clive Christian; estimated worth: $450,000* The high cost of Clive Christian perfumes is evident to anyone with even a passing knowledge of fragrances. 2011 saw the gifting of Clive Christian's most costly fragrance to Prince William and Kate Middleton: bottles of Imperial Majesty Edition for him and her. Naturally, the scents were created just for the Duke and Duchess of Cambridge and were valued at an estimated $450,000.