Visit Martha Stewart Weddings Weddings Dresses & Style Wedding Jewelry Engagement Rings & Wedding Bands The Prettiest Round-Cut Diamond Engagement Rings By Elizabeth Swanson Elizabeth Swanson Elizabeth is a freelance writer for MarthaStewart.com. Editorial Guidelines Updated on March 29, 2019 01:40PM EDT Share Tweet Pin Email We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation. Learn more. Photo: VID Studio Round-cut diamond engagements are popular for a reason—they're beautiful and timeless. Here, a selection of our favorites. 01 of 28 See All the Rina Limor Rings VID Studio If you want your engagement ring to be totally timeless, a round-cut diamond is probably the look for you. Whether you want yours set in a halo setting, as solitaire, or on a glittering pavé band, know that there's no wrong way to wear a round engagement ring. Round-cut engagement rings are the most popular to date, cornering nearly 75% of the diamond market. But just because it's the most popular doesn't mean that it's not unique. Take a cue from celebrities like Olivia Wilde, Natalie Portman, and Lauren Conrad, all of whom radiate elegance in their everyday style, and all of whom also happen to wear gorgeous round-cut engagement rings, each with their own personal twist: Copy Olivia's style and add an element of color; take inspiration from Natalie, whose round stone is set in a twirling halo and pavé band; make like Lauren and go with a simple solitaire, set on a romantic rose gold band. The beauty of round diamonds is that they are virtually brilliant-cut, and generally superior to fancy diamond shapes at the right reflection of light, making the most of their potential brightness. Basically, because the diamond is curved all the way around, you'll get the maximum light when looking at the ring from any angle. That's what makes them so sparkly an enticing. Plus, they pair nicely with any type of wedding band, which means you can go classic with your engagement ring and get a little more playful with your wedding jewerly. Who doesn't want options? Sold on a round-cut diamond engagement ring? We'll help you sort through the many options available to you. Here, a selection of our favorite round-cut engagement rings. 02 of 28 Tiffany & Co. Courtesy of Tiffany & Co. Tiffany & Co. "The Tiffany Setting" Engagement Ring, from $12,900, tiffany.com . 03 of 28 De Beers Courtesy of De Beers De Beers "My First De Beers Aura" Solitaire Ring, $2,500, debeers.com . 04 of 28 Wwake Courtesy of Wwake Wwake Organic Crossover Diamond Ring, $3,645, wwake.com . 05 of 28 Harry Winston Courtesy of Harry Winston Harry Winston Solitaire, Round Brilliant Engagement Ring, from $7,900, harrywinston.com . 06 of 28 Eva Fehren Courtesy of Eva Fehren Eva Fehren "The Rose Gold Infinity" Ring, price upon request, evafehren.com . 07 of 28 Forevermark Courtesy of Neiman Marcus Forevermark 18-Karat White Gold Beaded Diamond Ring, $1,500, neimanmarcus.com . 08 of 28 Megan Thorne Courtesy of Ylang 23 Megan Thorne Solitaire "Imperial" Diamond Ring, $13,850, ylang23.com . 09 of 28 Blue Nile Courtesy of Blue Nile Blue Nile Classic Six-Prong Solitaire Engagement Ring, $580 (setting only), bluenile.com . 10 of 28 Kataoka Courtesy of Kataoka Kataoka "Heart & Cupid" Ring Supreme, $5,680, kataoka-jewelry.com . 11 of 28 Melissa Joy Manning Courtesy of Net-a-Porter Melissa Joy Manning 14-karat Gold Diamond Ring, $375, net-a-porter.com . 12 of 28 Tiffany & Co. Courtesy of Tiffany & Co. Tiffany & Co. Round Brilliant Three-Stone Engagement Ring, from $76,500, tiffany.com . 13 of 28 Zydo Courtesy of Neiman Marcus Zydo 18-Karat White Gold Mosaic Round Diamond Ring, $4,200, neimanmarcus.com . 14 of 28 Blue Nile Courtesy of Blue Nile Blue Nile "Riviera" Pave Diamond Engagement Ring, $1,190, bluenile.com . 15 of 28 De Beers Courtesy of De Beers De Beers "DB Classic" Trio Ring, from $7,100, debeers.com . 16 of 28 Wwake Courtesy of Wwake Wwake Small Round Solitaire Ring, $2,495, wwake.com . 17 of 28 Jemma Wynne Courtesy of Net-a-Porter Jemma Wynne 18-Karat Rose Gold Diamond Ring, $3,885, net-a-porter.com . 18 of 28 Kataoka Courtesy of Kataoka Kataoka "Twisting Vine" Solitaire Ring, $4,680, kataoka-jewelry.com . 19 of 28 Jade Trau Courtesy of Jade Trau Jade Trau "Parasol 1," $6,400, 18-Karat White Gold Ring, jadetrau.com . 20 of 28 Eva Fehren Courtesy of Eva Fehren Eva Fehren "The Premier" Ring, price upon request, evafehren.com . 21 of 28 Anita Ko Courtesy of Anita Ko Anita Ko "Orbit" Split Ring, $2,375, anitako.com . 22 of 28 Estate Diamond Jewelry Courtesy of Estate Diamond Jewelry Estate Diamond Jewelry Antique Diamond and Estate Ring, $14,000, etsy.com . 23 of 28 Helzberg Diamonds Courtesy of Helzberg Helzberg Diamonds "Prima" Diamond Solitaire Engagement Ring, $599.99, helzberg.com . 24 of 28 Ileana Makri Courtesy of Ileana Makri Ileana Makri Triple Solitaire Ring, $2,886.48, ileanamakri.com . 25 of 28 Megan Thorne Courtesy of Ylang 23 Megan Thorne Two-Tone Diamond "Ribbon Crown" Ring, $2,475, ylang23.com . 26 of 28 Jade Trau Courtesy of Jade Trau Jade Trau "Astor 2" 18-Krat Gold Ring, $6,150, jadetrau.com . 27 of 28 Estate Diamond Jewelry Courtesy of Etsy Estate Diamond Jewelry Old European Diamond Engagement Ring, $32,000, etsy.com . 28 of 28 Yannis Sergakis Courtesy of Ylang 23 Yannis Sergakis Adornments "La Pierre" Asymmetric Diamond Ring, $2,330, ylang23.com . 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