Large ovals, vintage cuts and colored diamonds define 2026 engagement ring trends

Ovals have become the defining silhouette of 2026 engagement rings, propelled by the TikTok “90210” moment and celebrity visibility around Hailey Bieber. Vogue frames the trend as a “bigger is better” mood, and Everett captures the perceptual effect succinctly: “Ovals are back in a big way,” says Everett, noting that their proportions can make a two‑carat stone look closer to three.

Designers and retailers are recasting the oval in multiple registers. Adiamondisforever documents bezel settings and east‑west orientations as two dominant treatments, and Cummings puts it plainly: “We’re seeing oval cuts reimagined in east‑west settings,” says Cummings, “It makes them feel a little less traditional13.” Alexandra Saint Mleux, newly engaged to Ferrari’s Charles Leclerc, is offered as proof of the shape’s range, her classic oval solitaire on a pavé band shows the look’s minimal and maximal possibilities.

At the technical end, brand houses are promoting engineered solutions for elongated stones. Royal Asscher claims that its Oval Cut addresses the bow‑tie effect through “precise pavilion angles and refined facet placement,” promising “balanced brilliance and consistent light return across the entire stone.” Royal Asscher also positions its Cushion Cut as a 74‑facet patented reinterpretation: “Featuring 74 precisely calibrated facets, this patented cut is designed to reduce light leakage and enhance internal fire, addressing the visual inconsistency often found in traditional cushion cuts.” The company further reports stronger value retention for its oval cuts beginning in 2025 and continuing into 2026, while cautioning that resale liquidity remains more specialized than round brilliants.

Parallel to the oval’s dominance is a robust revival of antique and vintage cuts. Vogue, Trumpet & Horn and Adiamondisforever all note renewed interest in Old Mine, Old European, rose cuts and elongated antique cushions; Trumpet & Horn characterizes these stones as hand‑cut pieces that “glow with warmth” and a “candlelit sparkle.” Jessica McCormack’s silver‑topped gold mountings and old‑cut diamonds, worn by Zendaya and Dakota Johnson, are cited by Vogue as influential touchpoints, while Taylor Swift’s antique‑cushion ring is singled out for helping elongated cushions feel “historical rather than glossy.”

Color is a clear second act for 2026. Adiamondisforever and Valerie Madison highlight champagne, honey and sand diamonds alongside teal, pastel and red sapphires. Designer Sergio Hudson captures the styling impulse: “I like monochromatic things,” says designer Sergio Hudson12 of the Desert diamond palette. “Seeing the same color family makes them stand out.” Adiamondisforever suggests tonal pairings such as Champagne and Sunlit White in white gold or Honey and Sand tones in warm yellow gold; Valerie Madison recommends warm metals for champagne diamonds to achieve a “quiet luxury” glow.

Settings and finishing details complete the picture. Adiamondisforever recommends bezel settings for a “modern twist (and a little extra security on the gemstone),” and retailers including Valerie Madison point to chunky, sculptural bands and vintage milgrain, filigree and hand‑engraving as popular choices. VM tips name specific settings and pairings, Vera, Flora and Eva for clean solitaires; Bella and Zara for clusters, and advise choosing center‑stone shapes like cushion, oval, emerald and radiant to balance bold bands.

Taken together, the 2026 engagement market is defined by scale, warmth and customization: the TikTok‑fuelled 90210 oval, a renewed hunger for hand‑cut irregularity in Old Mine and rose cuts, and a widening appetite for colored diamonds and sapphires. Royal Asscher’s 2025–2026 value claims, Vogue’s celebrity touchpoints and retailer guidance from Valerie Madison and Trumpet & Horn point to buyers prioritizing presence, character and metal‑stone choreography as the year’s deciding motifs.