And when Kensington Palace released a stunning new birthday photo of the princess earlier this month, I immediately noticed that Middleton returned to wearing her famous diamond and sapphire ring ...

This ring features a beautiful, hand cut and ethical Earthy Moss Green Montana Sapphire with brown diamonds scattered ... It also has an 18K yellow gold band. This gorgeous cluster ring features ...

Instead, the Princess of Wales wore a different royal ring, reportedly gifted to her by Prince William. On her hand, she sported a sapphire and diamond eternity band. This is the third time Kate ...