LONDON — After a challenging few years, Stephen Webster is back, serving up cocktails, and cocktail rings, at his new flagship in Burlington Arcade in Mayfair.

It’s been more than 10 years since Webster has had a street-facing store — the former one was on Mount Street — and he’s eager to get going, with plans to serve up martinis, English sparkling wine and Double Diamond beer.

The store spans three floors with Webster’s colorful core collections on the ground level, a space for private client appointments and bespoke commissions upstairs, and a No Regrets Lounge in the basement, similar to the bars Webster has in Nashville and Beverly Hills.

Designed by Guy Hollaway Studio, the store features handcrafted display cases, scale models of designs that demonstrate his creative process, and art by friends and clients including Tracey Emin, Damien Hirst and Harland Miller.

“This is a huge deal for us, and a real statement about what we look like now,” said Webster during an interview from the store, where he’s surrounded by personal objects and ephemera, including a souvenir tin with a slice of Kate and William’s wedding cake from 2011. (Webster is the former creative director of Garrard, the British crown jeweler for more than a century that made the engagement ring given to Kate by William, which previously belonged to his late mother Princess Diana).

Stephen Webster has redecorated Burlington Arcade in London with his signature jewel tones and gemstones.

Webster, many of whose clients were Russian, said he nearly lost the business after the outbreak of war in Ukraine, and the trade sanctions that followed. “We had to pull ourselves out of that, which is why this is such an emotional” moment, he said.

For the past few years, Webster has been taking private appointments at his showroom on Mount Street, and has had a long-standing space at Harrods, but it’s not the same as having a stand-alone street-level store.

“The traffic in Burlington Arcade — the original shopping arcade — is truly global, and I have name recognition here. And I’m also able to tell the story behind the product,” said the designer, who has redecorated the whole of the arcade in his jewel tones and patterns, and will be taking over London black cabs with his branding, too.

Although Webster is best known for his gutsy, statement jewelry for men and women — he’s making a manta ray cuff for a former Olympic swimmer, and a monogram bracelet for a member of Guns N’ Roses — he also designs glasses, knives and bar accessories.

Ahead of the opening, he even qualified for a London liquor license, which makes him particularly proud. He scored 83 percent, which he said was a first for him on any test.

The No Regrets Lounge at Stephen Webster’s new flagship in Burlington Arcade in London.

Jack Elliot Edwards

Webster said he wants No Regrets, which will be open from noon until the arcade closes at 7 p.m., to feel like a speakeasy — and there’s even a neon sign on the ground floor pointing the way down.

“Anyone can come by for a drink — you don’t have to buy any jewelry or homeware,” said Webster, who tapped his friend, the award-winning London barman Nick Strangeway, to come up with the drinks and train the staff.

They’ll be serving up local alcohol, including “a flight of martinis,” three small cocktails made from Crystal Head vodka or English gin. The menu includes Double Diamond beer, Sugrue sparkling wine and a cider-based nonalcoholic cocktail that Webster is calling the Sourpuss.

Trupti Shah, commercial director at Burlington Arcade — which opened in 1819 and is home to brands including Manolo Blahnik, Azza Fahmy, Ladurée, Gagosian and Lalique — said the partnership with Webster dovetails with the arcade’s focus on luxury and craft.

Webster’s “fearless jewelry designs and the introduction of the No Regrets Lounge bring a fresh energy to our historic halls,” said Shah. “We’re proud to be home to a brand that shares our commitment to craftsmanship, individuality and creating unforgettable experiences.”

Stephen Webster in his studio.