In the black-and-white snap, Middleton is all smiles as she poses with her hands in her pockets, and her sapphire and diamond ring is on full display. The post also includes a special message from William that reads, “To the most incredible wife and mother. The strength you’ve shown over the last year has been remarkable. George, Charlotte, Louis and I are so proud of you. Happy Birthday, Catherine. We love you. W”
The 12-carat diamond and sapphire engagement ring made a comeback after the princess was spotted without it on several occasions. For instance, when Middleton met with a young photographer last October, she traded the piece for her eternity-style ring, which features alternating diamonds and colored gemstones. Also, in the same month, during a surprise visit to Southport, England, she stepped out without the original engagement ring.
