WhenMeghan Marklemadeher debut as a duchesson May 22, her accessories sold out quicker than ever!

Complementing her regal look atPrince Charles’ birthday event at Buckingham Palacelast week, Meghan wore a new pair of rose gold and diamond earrings from Paris-based jewelerVanessa Tugendhaft. TheIdylle La Rose Earringsin 18-karat rose gold are pavéd with diamonds and retail for $2945.

“We were completely sold out in 10 minutes — it was crazy!” Tugendhaft tells PEOPLE. “The matching necklace and bracelets with the same motif also sold out soon after, and now we have a big waiting list. It was amazing!”

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Although her celebrity clients include Madonna, Anne Hathaway and Kate Hudson, the jeweler says nothing compares to Meghan’s appearance just days after her wedding.

“I think it was the most important point in my career,” says the Belgian designer. “Meghan is such a beautiful person, and to wear our earrings on her first debut as a duchess was incredible — it had such a big impact.”

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For more on Meghan’s new life, check out this week’s issue of PEOPLE, on newsstands Friday.

Meghan, who has been a customer of the brand since her move to London last year (wearing theirInfini ringandPrecious Charm necklaceto prior royal engagements), has a relatability that makes her style choices so covetable, says the jeweler.

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“I think she seems to be a very nice person and people can relate to that. Women want to be like her – simple and chic.”

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Dominic Lipinski/PA Images/INSTARimages.com

Prince Harry and Meghan Duchess of Sussex Attend Buckingham Palace Garden Party

source: people.com