Jewelry expert Ella Citron-Thompkins suggests Kate Middleton swapping out her engagement ring for an infinity band is a decision of comfort, practicality, and symbolism. Read more, here.

In fact, until this past weekend, Kate hadn't worn her engagement ring in any public appearance—or any images or videos shared on Kensington Palace's social media channels—since attending the Wimbledon men's finals in July with her sister, Pippa, and her daughter, Princess Charlotte.

Kate, who married Prince William in 2011, was recently spotted during a royal engagement in Southport without her precious engagement ring from 2010. Jewellery expert Ella Citron-Thompkins from Diamonds Factory has said that the 42-year-old could be leaving her ring at home due to "comfort or practicality".