Asscher Cut Lab Grown Diamonds
A square step cut with cropped corners and a mesmerizing "hall of mirrors" — Art Deco elegance with clarity on display.
What is an Asscher cut diamond?
The Asscher is a square step cut with cropped (cut-off) corners, a high crown, and deep, concentric facets that draw the eye inward — the famous "hall of mirrors" effect. First cut in 1902 by the Asscher Brothers of Amsterdam, it became an Art Deco icon and remains the choice for anyone who loves geometric, vintage-inspired elegance.
Why clarity matters for an Asscher
Like the emerald cut, the Asscher's open step facets act like windows into the stone, so inclusions show more than in a sparkly brilliant. For a clean, mirror-like look, prioritise clarity (VS and up performs beautifully) and a fairly even colour. It's a cut that rewards a cleaner stone.
What to look for in an Asscher
- Ratio — a true Asscher is square, around 1.00–1.05.
- Clarity — aim eye-clean (VS or better) for that hall-of-mirrors depth.
- Symmetry — the concentric step facets and corners should be even and crisp.
Use the filters above to set carat, colour, and clarity.
Asscher engagement rings
The Asscher shines in Art Deco and vintage-inspired settings, and pairs beautifully with a halo or geometric three-stone design. Choose your loose stone here, then build it into the ring of your choice.
Ready for a setting? Explore our Asscher engagement rings.
Why buy an Asscher from Stienhardt
Every Stienhardt Asscher is independently certified by IGI or GIA, graded for the full 4Cs, and conflict-free — all backed by free 30-day returns.
Asscher Cut Lab Grown Diamonds — frequently asked questions
What is an Asscher cut diamond?
A square step cut with cropped corners and a high crown, producing a deep 'hall of mirrors' effect. It was first cut in 1902 by the Asscher Brothers of Amsterdam.
What's the difference between an Asscher and an emerald cut?
Both are step cuts with a hall-of-mirrors look, but the Asscher is square with more dramatic cropped corners, while the emerald is rectangular and elongated.
What clarity should I choose for an Asscher?
Aim eye-clean — VS or better. The open step facets reveal inclusions more than a sparkly brilliant, so clarity matters most.
What ratio is best for an Asscher?
A true Asscher is square, around 1.00–1.05. Higher ratios start to look more rectangular.
Are Asscher cut lab grown diamonds real diamonds?
Yes — they're real diamonds, chemically and optically identical to mined stones, and recognized as diamonds by the FTC.
Are Asscher cut lab grown diamonds certified?
Yes. Every Stienhardt Asscher is independently certified by IGI or GIA and graded for the full 4Cs.
Does an Asscher sparkle like a round?
No — it's a step cut, so instead of fiery sparkle it gives deep, mirror-like flashes with an elegant, vintage character.
What setting suits an Asscher?
Art Deco and vintage-inspired settings, halos, and geometric three-stone designs all complement its square shape.
Can I set an Asscher into an engagement ring?
Absolutely. Choose your loose stone, then pick a setting and we'll mount it for you.
What is your return policy?
Free 30-day returns on diamonds and jewelry.