Every year, Lauren B takes a close look at the trends that defined engagement rings and fine jewelry including the most popular diamond shapes, straight from what our clients loved most in the showroom. As a result, we’re able to identify shifts in style and preference early on. From celebrity-inspired designs to subtle shifts in carat preferences, 2025 gave us plenty to talk about.
Below, we break down the top shapes of 2025, counting down from classic favorites to the shape that truly stole the spotlight. Along the way, we share insider notes and similar styles we recommend for anyone starting their engagement ring journey.
#5 Most Popular Diamond Shape of 2025: Radiant Cut
To start, the radiant cut continued to attract clients who want strong brilliance with a modern edge. The shape is known for its cropped corners and mixed faceting style. Radiant cut diamonds combines the sparkle of a brilliant cut with the clean outline of an emerald.
In the showroom, radiant cuts were especially requested by clients drawn to elongated shapes with presence. Most often these diamonds are paired with sleek bands or subtle pavé details that let the center stone take the lead. While it didn’t top the charts this year, the radiant cut remained a consistent favorite among today's popular diamond shapes.
3 carat Radiant Cut Diamond Pave Basket Engagement Ring
#4 Most Popular Engagement Ring Shape of 2025: Round Brilliant
Next, the round brilliant remains the gold standard for a timeless proposal and 2025 was no exception. It's known for its balance, symmetry, and enduring appeal. the round brilliant continued to be one of the most requested at Lauren B and across celebrity engagements.
For example, Dua Lipa’s engagement ring perfectly captured the appeal of a modern round brilliant. It pairs a classic silhouette with a refined setting that feels current yet everlasting. Chloe Grace Moretz and her fiancé also showcased the versatility of the round brilliant this year, opting for unique designs that represent their love.
Round Brilliant Lab Diamond Three Stone Dome Ring
#3 Most Popular Diamond Shape of 2025: Emerald Cut
Ever a classic, Emerald cuts made a strong showing in 2025, coming in at 13.4% of all engagement ring sales. With their step-cut facets and elongated shape, emerald cuts are a go-to for those drawn to quiet luxury and architectural beauty.
This shape is less about sparkle and more about presence, highlighting clarity and proportion in a way that feels effortlessly sophisticated.
Knicks star Karl Anthony Townes pulled off a buzzer beater. Townes proposed to girlfriend Jordyn Woods with a stunning, 10+ carat emerald cut engagement ring with a pave band right before the end of the year.
5.08 carat Emerald Cut Lab Diamond Pave Ring
#2 Most Popular Shape of 2025: Cushion Cut
Just missing the top spot, the cushion brilliant rose through the ranks in 2025. Its quickly become one of the most requested shapes in our showroom and a standout among celebrity engagements. With its soft corners and romantic silhouette, this shape balances classic and modern design. As a result, it remains one of the most popular diamond shapes for clients seeking timeless style with personality.
Miley Cyrus’s engagement ring highlighted the cushion’s versatility, pairing the shape with a design that felt effortlessly modern while still nodding to its vintage roots. Taylor Swift’s ring further elevated the cushion’s popularity this year, showcasing antique-inspired details like milgrain and elegant proportions that continue to resonate with today’s couples.
Cushion Cut Lab Diamond Three Stone Ring
6.68 carat Antique Cushion Lab Diamond Milgrain Tapered Ring
#1 Most Popular Diamond Engagement Ring Shape of 2025: Oval
Ultimately, oval diamonds took the top spot for 2025. They continued their steady rise in popularity. At Lauren B, clients gravitated toward larger carat weights that made the most of the oval’s elongated silhouette. With over 20% of our total engagement ring sales this year, the oval secured its place as the most popular diamond shape yet again.
For instance, Charles Leclerc’s engagement ring highlighted why ovals remain so sought after. The shape is flattering on the finger, visually substantial, and endlessly customizable. Georgina Rodríguez’s oval engagement ring further cemented the shape’s status this year. It pairs bold carat weight with thoughtful design details that felt elevated and intentional.
10.23 carat Oval Lab Diamond Three Row Pave Ring
4.01 carat Oval Lab Diamond Lotus Prong Cigar Band Ring
*Most popular ring of 2025
6.27 carat Oval Lab Diamond Three-Stone Ring
What Was Your Top Shape of 2025?
Whether you’re drawn to a timeless round brilliant, a refined emerald cut, or a bold oval, 2025 proved there’s no one-size-fits-all when it comes to engagement rings—just the shape that feels right for you.
Explore our full engagement ring collection or book a one-on-one consultation with our design experts to bring your vision to life. You can also check out our Instagram for more engagement ring design inspo!