Just days beforeMeghan Marklechristened her sonArchieat theQueen’s private chapel in Windsor, she made a very public declaration of love for him with a personalized necklace.

Attending the fourth day of Wimbledon to support her friendSerena Williamslast Thursday, Meghanaccessorized her casual jeans and blazer lookwith a new delicate gold necklace, which featured the letter “A” for Archie.

The18-karat solid gold necklaceis fromVerse, a small jewelry brand based in Australia.

“I was so overwhelmed to see Meghan wearing it. I’m still in shock!” jeweler Emma Swann tells PEOPLE, adding: “She looked amazing and I love her relaxed sense of style. Women look at her style and they can really relate to her — that’s refreshing.”

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Meghan Duchess of Sussex Wimbledon

Verse

Meghan Markle necklace

“I explained how each necklace is made to order, with no wastage of gold and a little about my small company. I never expected to hear anything back or for her to wear it!”

When the news spread that the stylish royal mom was wearing her $410 necklace, sales surged and her website struggled to keep up with demand.

“It’s had a nice effect on online sales, but it’s more for me about the fact that she likes it enough to wear it. It’s lovely recognition and great that she champions small brands like mine. It feels really lovely and inclusive,” she says.

Meghan Markle.Karwai Tang/Getty

Meghan Duchess of Sussex Wimbledon

Personalized jewelry has become a huge trend in recent years, says Swann, who studied at Central Saint Martins, the prestigious arts and design college in London before moving to Australia to set up her direct-to-consumer fine jewelry company more than 10 years ago.

“I’m noticing that people really want pieces that are meaningful to them, the one-of-a-kind pieces that you can hand down to your children. Hopefully Meghan will do the same!”

source: people.com