Trending Lab Grown Diamond Engagement Rings for 2026

Oval just took round's spot at the top, and nobody saw it coming this fast.

Ask anyone who has shopped for a ring this year and the shortlist looks the same: oval, emerald, pear, cushion, marquise. Lab grown diamond engagement rings are the reason that shortlist got so long in the first place, since a bigger, cleaner stone in an unusual cut is finally within reach for most budgets. Hidden halos, split shanks, and fancy color center stones are showing up everywhere alongside them.

Also Read: From Blush to Brilliant: Pink Diamond Engagement Ring Styles for Every Bride

Here is where the direction is heading right now, shape by shape, with a ring for each one.

Oval keeps winning the shape race

Oval has quietly overtaken round as the most requested shape this year, mostly because it looks larger than its actual carat weight and elongates the finger. This fancy yellow oval sits inside a halo with a crossover split shank underneath it, so the color gets top billing while the band adds movement.

Shop the oval yellow lab grown diamond split shank halo ring

Emerald cuts bring quiet drama

Emerald is having its own moment, favored for its clean lines and understated shine over a flashier brilliant cut. This pink emerald sits in a split shank halo setting, giving the soft color a sharper, more architectural frame.

Shop the pink emerald lab grown diamond split shank halo ring

Double halos make a smaller stone read bigger

A second ring of pave around the main halo is one of the easier ways to add size and sparkle without moving up in carat weight. This one wraps a pink emerald cut in two full rows of diamonds, so it reads noticeably larger head on than a single halo would.

Shop the pink emerald lab grown diamond double halo ring

Pear shaped stones add movement

Pear is the shape people reach for when they want a little more personality than an oval but do not want the sharp corners of a full emerald cut. This pink pear sits in a halo with small accent diamonds bridging the band, giving it a bit more detail than a plain halo setting.

Shop the pink pear lab grown diamond bold accented halo ring

Radiant cut yellow diamonds warm things up

Yellow diamonds went from rare specialty request to a real everyday option once lab grown versions made larger carat weights affordable. This radiant cut sits in a split shank halo, so the warm color gets full attention against the white diamond frame around it.

Shop the radiant yellow lab grown diamond split shank halo ring

Toi et moi rings keep proving they are not a phase

Two stones, side by side, on one band, worn by enough celebrities now that it has stopped being called a trend and started being called a category. This one pairs a white radiant cut with a yellow pear cut, so the two shapes and two colors sit right next to each other on the same finger.

Shop the radiant and pear toi et moi lab grown diamond ring

Whatever shape wins next year, the direction for now is clear: bigger stones, softer colors, and settings with more detail than a plain solitaire.

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