Let’s Take a Closer Look at the Most Expensive Celebrity Engagement Rings of 2026 So Far

Here at Cosmo, we simply can’t get enough of celebrity engagement rings. From their cuts, to their sizes, to their costs, I love to know eeeevery detail—and let me tell ya, 2026 has been a fantastic year for ogling A-list diamonds, from Zoë Kravitz’s massive elongated cushion-cut sparkler to Dove Cameron’s gorgeously unique Asscher-cut diamond.Now that we’re over halfway through the year, let’s take a minute to revisit some of the biggest, blingiest, most talked-about celebrity engagement rings of 2026 so far—though you better believe I’ll be adding to this list before the year is through. Happy snooping!Madison BeerKevork Djansezian//Getty ImagesFeaturing a massive, ultra-elongated cushion-cut diamond on a slim solitaire band, Madison’s ring from NFL star Justin Herbert (which he gave to her in August 2026 after just over a year of dating) is a serious showstopper.Michael Buckner//Getty ImagesDesigner: UnknownEstimated Size: 10 to 15 caratsEstimated Cost: Up to $1 millionZoë KravitzXNY/Star Max//Getty ImagesFans were shook when they spotted an elongated cushion-cut stone on Zoë’s finger back in April 2026, and the stunner was later confirmed to be an engagement ring from Harry Styles.Dave Benett//Getty ImagesDesigner: Jessica McCormack (reportedly)Estimated Size: 10 to 12 caratsEstimated Cost: $600,000 to $800,000Halle BerryDave Benett//Getty ImagesAfter nearly six years of dating, Halle confirmed in February that she and her longtime partner Van Hunt are engaged—and with his proposal came a retro yellow gold engagement ring, featuring a round, brilliant-cut center stone surrounded by step-cut sapphires.JB Lacroix//Getty ImagesDesigner: UnknownEstimated Size: 1 to 2 caratsEstimated Cost: $200,000Aryna SabalenkaPablo Cuadra//Getty ImagesThe tennis star broke the news of her engagement to entrepreneur Georgios Frangulis in March and has been proudly sporting her massive oval-cut diamond (complete with a hidden emerald halo) ever since.Add Cosmopolitan as a preferred source in your Google search results.Use your Google account to add this to your settings.Icon Sportswire//Getty ImagesDesigner: Isabela Grutman of ISA Grutman JewelryEstimated Size: 12 caratsEstimated Cost: $500,000 to $800,000Dove CameronMichael Kovac//Getty ImagesAfter two years of dating, Dove announced her engagement to Måneskin frontman Damiano David in January…nearly three months after she was first spotted wearing her vintage-inspired Asscher-cut diamond sparkler.PATRICK T. FALLON//Getty ImagesDesigner: Alessandro Benini of Bernini High JewelryEstimated Size: 3 to 4 caratsEstimated Cost: $100,000 to $300,000Lily Muni HeMinas Panagiotakis//Getty ImagesIn January, F1 driver Alex Albon announced that he and the pro golfer were ready to get married after more than six years of dating, and Lily’s one-of-a-kind ring (featuring an octagonal diamond atop a uniquely curving green jade band) is simply perfection.NurPhoto//Getty ImagesDesigner: Sarah Ysabel Narici of DYNE (reportedly)Estimated Size: 5 to 10 caratsEstimated Cost: $100,000 to $200,000