Kate Middleton's meaningful and symbolic outfit worn to a surprise July 2 appearance included a subtle but sentimental tribute to her husband of 14 years, Prince William, in the form of an $8,000 Cartier watch.

Kate paid a sweet and thoughtful tribute to the late Diana, Princess of Wales, stepping out in a chic diamond and pearl bracelet that quietly stole the spotlight. The elegant three-strand design by Nigel Milne was originally created for the Princess in 1988 and features lustrous white pearls paired with a vintage-style diamond clasp.

Questions are swirling about whether Princess Kate will make an appearance at Friday's charity polo match to support her husband. Kate traditionally attends Prince William's annual polo outing, but she was notably absent from last year's event whilst undergoing chemotherapy treatment.