Who Is Jessica McCormack? Zendaya's Engagement Ring Designer and a Celebrity-Beloved Jeweler
Her pieces have also been worn by Zoë Kravitz, Meghan Markle, and Victoria Beckham.


Less than a day after Zendaya made the 2025 Golden Globes best-dressed list by debuting a 5-carat diamond engagement ring from Tom Holland on the red carpet, she commenced her anti-bridal engagement style era in a Dior blazer and lacy skirt. Not that the star paid much attention to her goth-chic vintage outfit. Like the rest of us, she was infatuated with her ring. Videos of the Challengers star showed her discussing the film at a Jan. 6 panel while gazing lovingly down at the gem glittering on her left hand.
Zendaya has ample reason to be hypnotized by her East-West set, emerald-cut engagement ring. A bit of sleuthing revealed it hails from Jessica McCormack, a London-based jewelry designer whose pieces have enchanted A-listers since 2008.
Zendaya's Jessica McCormack engagement ring is in an East-West setting.
Jessica McCormack jewelry has united celebrities from Meghan Markle, Duchess of Sussex, to Victoria Beckham and Zoë Kravitz with vintage-inspired cuts and quality gemstones. She opened her label after working in the jewelry department of the luxury auction behemoth Sotheby's. There, according to McCormack's website, she developed a deep appreciation of antique jewelry. Revering the statement pieces of the past is also in her DNA: McCormack's childhood was spent in New Zealand, where her father was an auctioneer.
"One of the reasons I started designing jewelry was to reinvigorate some of the antique jewelry making techniques I had discovered during my time at the jewelry department at Sotheby’s," McCormack says on her website. "I wanted to recreate them, but in designs that made them relevant and wearable for women today."
Zendaya debuted her Jessica McCormack engagement ring at the 2025 Golden Globes.
Now, at her label's townhouse in London's Carlos Place, Jessica McCormack's team crafts bespoke, destined-to-be-heirloom pieces with Georgian goldsmithing techniques. Her team has more than 150 years of combined design experience; many of the methods they use to handcraft each piece have otherwise faded away from the modern jewelry-making process.
Of all the pieces under the Jessica McCormack label, her signature button-back engagement rings are the most popular. Zendaya had even "liked" photos of McCormack's engagement rings on Instagram nearly three years before receiving her own. The specific piece Tom Holland eventually gave her at a private proposal appears to be the Jessica McCormack 5.02ct East-West Cushion Diamond Button Back Ring, listed on the designer's website.
"The perfect modern engagement ring, the East-West Diamond Button Back is beloved by cool brides for its pared-back, non-traditional aesthetic," McCormack says online. "But we also love it worn on any finger, whether as a less-is-more cocktail ring, or paired with denim and trainers to elevate an off-duty look." The exact price is not listed, but a representative for Jared told Marie Claire it could be at least $120,000.
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The 5-carat ring is valued at least at $120,000, with some estimates going up to $200,000.
Jessica McCormack's designs are revered throughout Hollywood, with or without a relationship milestone to go with them. Elsewhere on the Golden Globes 2025 red carpet, Zoë Kravitz wore custom earrings and an engagement-style ring by the designer.
"I want to work with Jessica on everything," Kravitz told Harper's Bazaar UK. "I think she is one of the most talented and inspired jewelry artists we have today."
Zoë Kravitz, Jessica McCormack's first ambassador, wore the designer to the 82nd Annual Golden Globes.
Other celebrities who seem to agree include Victoria Beckham (with emerald earrings), Billie Eilish (with a heart-shaped necklace), and Meghan Markle. The latter star has worn Jessica McCormack pieces at least three times: a diamond pendant to give a speech during her official New Zealand visit in 2018, a sapphire ring to cheer on Serena Williams at Wimbledon the same year, and finally, ruby earrings to attend the Royal British Legion Festival of Remembrance in 2019.
Meghan Markle attended the 2019 Royal British Legion Festival of Remembrance wearing a dainty pair of Jessica McCormack earrings.
Women with the world's eyes on them trust Jessica McCormack for their most important events and red carpets. If Zendaya joined the list pre-nuptials, she may even source a bespoke wedding band from the designer to match that headline-making engagement ring.

Halie LeSavage is the senior fashion and beauty news editor at Marie Claire, where she assigns, edits, and writes stories for both sections. Halie is an expert on runway trends, celebrity style, emerging fashion and beauty brands, and shopping (naturally). In over seven years as a professional journalist, Halie’s reporting has ranged from fashion week coverage spanning the Copenhagen, New York, Milan, and Paris markets, to profiles on industry insiders like celebrity stylist Molly Dickson, to breaking news stories on noteworthy brand collaborations and beauty product launches. (She can personally confirm that Bella Hadid’s Ôrebella perfume is worth the hype.) She has also written dozens of research-backed shopping guides to finding the best tote bags, ballet flats, and more. Most of all, Halie loves to explore what style trends—like the rise of emotional support accessories or TikTok’s 75 Hard Style Challenge—can say about culture writ large. She also justifies almost any purchase by saying it’s “for work.”
Halie has previously held writer and editor roles at Glamour, Morning Brew, and Harper’s Bazaar. She has been cited as a fashion and beauty expert in The Cut, CNN Underscored, and Reuters, among other outlets, and appears in newsletters like Selleb and Self Checkout to provide shopping recommendations. In 2022, she earned the Hearst Spotlight Award for excellence and innovation in fashion journalism. She holds a Bachelor’s Degree in English from Harvard College. Outside of work, Halie is passionate about books, baking, and her miniature Bernedoodle, Dolly. For a behind-the-scenes look at her reporting, you can follow Halie on Instagram and TikTok.
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