Princess Kate is set to wear her sapphire jewel at a major event, according to a fashion expert, just months after donning her “replacement” ring.The Princess of Wales, 42, is currently preparing for one of the biggest royal events on the calendar – the Together At Christmas carol concert.Kate launched the concert in 2021 amid the Covid-19 pandemic and has held the event annually since.Kensington Palace confirmed the Together At Christmas carol concert will be held on December 6, 2024, at Westminster Abbey.Princess Kate set to wear sapphire jewel at major event just months after her ‘replacement’ ringGettyEagle-eyed royal fans will be keen to see whether or not Kate wears her sapphire engagement ring to the concert as she joins forces with Prince William, Prince George, Princess Charlotte and Prince Louis.On October 10, the Prince and Princess of Wales made a surprise visit to Southport to meet with bereaved family members of the stabbing victims.Princess Kate shocked fans by not wearing her engagement ring, which previously belonged to Princess Diana, but instead “replaced” the jewel with a new sparkler.James Harris, the Regional Sales Manager at Austen & Blake, spoke exclusively to GB News to suggest that Kate only wears her sapphire engagement ring on “significant” occasions, which would include the upcoming Christmas carol concert.Princess Kate showing off her sapphire engagement ringPAFor example, the Princess of Wales delighted fans when she stepped out at the Festival of Remembrance earlier this month with her sapphire jewel.Harris explained: “It’s very likely that Kate will wear her engagement ring during the Christmas Carol concert this year, as she often does for public events, especially those with royal significance.”Her iconic sapphire ring is almost always visible at high-profile events and was photographed at last year’s concert whilst she took on hosting duties.”Well-known for being one of the most famous royal rings, it features a stunning 12-carat oval sapphire, complemented by 14 diamonds, and set in white gold.Kate did not wear her engagement ring when speaking to emergency personnel in SouthportPAPrincess Kate wearing an all-white look at her Christmas carol concert last yearPA”The sapphire is a deep, rich blue that makes it all the more striking, especially against Kate’s elegant and refined outfits.”Harris has already predicted Kate’s outfit choices for the concert, adding that they “always convey sophistication and warmth”.He said: “She often opts for winter whites and enchanting looks that provide sparkle, whether that’s through her jewellery choices such as her diamond and pearl clad earrings, or sequin embellished clothes.”Undoubtedly, Kate’s outfit choice is bound to channel grace at this year’s concert. We might see another striking white outfit, or perhaps one that explores more of the festive pallet, given her love for these colours.”