Material Good Celebrates 10th Anniversary, Opens Boston Boutique and Names Aryna Sabalenka

Material Good is marking its 10th anniversary by accelerating expansion and naming Aryna Sabalenka its brand ambassador as it opens a new boutique in Boston’s Back Bay. The retailer opened the Boston store in February 2026 and says the move is the first of multiple store openings planned in 2026, positioning the company as a luxury jewelry and watch destination.

Sabalenka, the world’s No. 1-ranked female tennis player, made her first appearance as Material Good’s ambassador at the Australian Open in January, wearing a custom necklace and matching earrings. The necklace is specified as a 4.3 ct. oval blue sapphire encircled by 1.31 cts. t.w. white diamond cobblestone pavé, and Material Good notes that Sabalenka previously wore the brand during her 2025 U.S. Open victory. Sabalenka will represent Material Good on and off the court throughout the 2026 season, including at Grand Slam tournaments and other events. JCK captured the ambassador context with Sabalenka’s line: "She says Material Good wanted a brand ambassador whose connection to its jewelry was authentic, Sabalenka wore Material Good during her 2025 U.S. Open victory, and a relationship developed naturally from there."

The Boston opening includes an interior rendering published alongside National Jeweler’s item announcing the Back Bay location, and the company frames the boutique as part of a wider retail push. JCK’s reporting on February 20, 2026, places the Boston boutique opening in February and ties the store rollout directly to the anniversary and the new ambassador strategy.

Material Good’s own site describes another recent outpost in Miami Beach and the retailer’s design language. "Material Good’s new location will embody the same warm and inviting spirit as its NYC flagship with a look and feel that’s distinctly Miami along with an exclusive selection of jewelry, watches, and art," the company copy reads, and it lists the Miami address at 119 Washington Avenue in the South of Fifth area, noting massive windows, abundant natural light, and views of Miami Beach.

The retailer’s site also highlights its position in high horology and celebrity circles, naming co-founder Rob Ronen and Director of Marketing and Fine Jewelry Teresa Panico, and referencing editorial and celebrity placements including Harper’s Bazaar, Vogue, Robb Report, HODINKEE, Chrissy Teigen, Hailey Bieber, and Demi Lovato. Material Good promotes watch partners such as Vanguart, noting the Black Hole Tourbillon at CHF 320,000 and the Orb at CHF 150,000 to CHF 180,000, and references Jean-Claude Biver’s recent brand activity.

As Material Good celebrates a decade, the combination of high-value watch stock, celebrity visibility, a Boston Back Bay storefront opened in February 2026, and an on-court ambassador role for Aryna Sabalenka signals a retail strategy built on event-driven visibility and luxury price points as the company pursues multiple openings during 2026.