The royal emblem was used on their previous Sussex Royal website and social media accounts although it appears it was ditched from their stationery in favour of the Archewell logo several years ago.
And royal expert and biographer Ingrid Seward says the new piece of jewellery is certainly sending a statement - especially to the Royal Family.
She told the Mirror : "Traditionally signet rings have a larger face than the one Meghan is wearing, but there is no reason why she can't use her royal cypher on an article of jewellery.
The ring also appeared to be on Meghan's hand during a video she posted on her Instagram account that gave a glimpse of her children as they made heart-shaped treats for Valentine’s Day.
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