Meghan Markle has sparked fresh conspiracy chatter over Kate Middleton's engagement ring after she was seen wearing a new piece of jewellery in California in May, just weeks before she is due to return to the UK with Prince Harry and their children for an Invictus Games event in Birmingham.
The Duchess of Sussex has not appeared in Britain with Harry and their two children, Prince Archie and Princess Lilibet, for about five years, and her relationship with the Princess of Wales remains, at best, deeply fraught. That is the backdrop against which a simple Instagram post, an unexpected ring and years of royal jewellery lore have suddenly collided.
