Toi-et-Moi: The Two-Stone Engagement Ring Tradition
The ring sold at Osenat auction in 2013 for €896,000 — eighty times its pre-sale estimate. The buyer wasn't paying for the diamond and sapphire. They were paying for the symbolism that has kept Toi-et-Moi engagement rings in fashion, off and on, for two and a quarter centuries.
The recent revival
Toi-et-Moi cycles in and out of popularity every generation or two. The current revival started in 2018 when Megan Markle's ring (a three-stone design with strong Toi-et-Moi DNA) drew attention to two-stone settings, and accelerated when Emily Ratajkowski received a Toi-et-Moi from her then-husband Sebastian Bear-McClard in 2018 (a princess-cut paired with a pear). Ariana Grande's Toi-et-Moi from Dalton Gomez in 2020 — a pearl alongside a diamond — completed the cultural shift.
Demand at our Coquitlam studio for Toi-et-Moi has roughly tripled since 2020. About a quarter of our custom engagement-ring consultations now mention two-stone designs as a possibility, and roughly half of those clients move forward with a Toi-et-Moi.
What "two stones" actually means
The defining structural feature of a Toi-et-Moi ring is the bypass shank. Instead of the band meeting at a single point under the head, it splits into two ends that slide past each other. One end carries one stone; the other end carries the other. The two stones can be close enough to touch, leaning toward each other, or set with a deliberate gap between them.
That asymmetry is the design problem and the design opportunity. A Toi-et-Moi is not symmetrical the way a halo or a three-stone is. It has a left side and a right side that are deliberately different, and the difference is the entire point.
Choosing the two stones
The most consequential decision in a Toi-et-Moi is what shapes you pair. There are three traditional combinations:
Round + pear (Napoleon-Joséphine)
A round brilliant on one end, a pear-shape on the other. The round symbolises constancy; the pear symbolises a teardrop or a flame. This is the original combination and still the most common. The round and the pear's wider end can sit close together; the pear's point extends elegantly to one side.
Round + emerald (Art Deco)
A round brilliant paired with an emerald cut — round meets architectural rectangle. Strongly geometric, deeply Art Deco, the right combination for a buyer who wants the symbolism without softness.
Round + oval (modern)
Two elongated stones leaning toward each other. The most balanced two-stone option visually, and the least dramatic. Common in contemporary minimalist designs.
The two-different-shapes principle
Most experienced designers will steer clients away from two identical stones (round + round, pear + pear). Toi-et-Moi works visually because the two stones are distinct, the way two people are distinct. Two identical stones reads as a coincidence rather than a deliberate pairing.
That said, the rule isn't absolute. Two identical stones in different colours (a diamond + a sapphire, a diamond + a ruby) work beautifully because the colour contrast does what the shape difference would otherwise do. We've made several Toi-et-Moi designs with a 0.7ct diamond paired with a 0.7ct sapphire — same shape, contrasting colour. The result is striking.
Stone size matching
The two stones in a Toi-et-Moi don't need to be the same carat weight, but they should be roughly proportional in face-up size. A 1ct round paired with a 0.5ct pear looks unbalanced — the pear gets visually overwhelmed. A 1ct round paired with a 0.85ct pear (which has a larger face-up size for its weight than a round) looks balanced.
The general guideline: aim for the two stones to occupy roughly equal visual area face-up. Your jeweller can calculate this from the stone dimensions; we walk through it with every Toi-et-Moi consultation.
The wedding band problem
Toi-et-Moi rings don't sit flush against flat wedding bands. The bypass geometry creates a bulge in the middle of the ring, and a flat band has to either curve around it (a contoured band) or sit at a noticeable gap. Plan the wedding band as part of the original engagement-ring design — most of our Toi-et-Moi clients commission a matching contoured band at the same time.
Heritage redesigns
One of our favourite Toi-et-Moi use cases is heirloom redesign: a client inherits two unrelated stones — a diamond from one side of the family, a sapphire or pearl from another — and wants to combine them into a single ring rather than choosing between them. Toi-et-Moi solves this directly. The two stones live together in the same piece, and the asymmetry is honest about their different origins.
We've made dozens of these. A grandmother's old European cut diamond on one end, a great-aunt's vintage sapphire on the other. Two generations, two families, one ring. It's the kind of design problem Toi-et-Moi was built for.
Is it the right choice for you?
Toi-et-Moi works when the asymmetry is the design statement. It doesn't work when the wearer wants something traditional — the bypass silhouette is fundamentally non-traditional, and resizing limitations are real. If you're combining two heirloom stones, or specifically want the symbolism, or just love the look, it's a beautiful choice. If you want the safety of a recognisably "engagement ring" silhouette, choose differently.
For the macro photography and full design considerations, see the bypass shank page and our complete ring anatomy guide.
