An emerald cut is a gemstone cutting style, not a type of gemstone. It describes a rectangular stone with cut corners and long, parallel facets. A diamond, a cubic zirconia or a real emerald can all be cut this way, so "emerald cut" on its own does not mean a piece contains an emerald.
The short answer
- Emerald cut: a rectangular step cut with cut corners and a calm, mirror-like look.
- Radiant cut: a similar rectangular or square outline with cut corners, but with brilliant facets that add more sparkle.
- Real emerald: a green gemstone, the green variety of the mineral beryl. It can be cut in many shapes.
What is an emerald cut?
An emerald cut is a step cut: its facets are long rectangles arranged in parallel rows, like steps. According to the International Gem Society, the shape was developed for emerald gemstones, and its cut corners help protect a stone's vulnerable edges. The large, open facets create flashes of light rather than scattered sparkle, which is why the look is often called elegant or understated.
Those open facets also work like a window into the stone, so inclusions are easier to see. That is why emerald cut diamonds usually need higher clarity.
Emerald cut vs radiant cut
Both shapes have a rectangular or square outline with trimmed corners, which is why they are easy to confuse. The difference is in the facets. The GIA describes the radiant cut as combining step cut facets on the crown with brilliant cut facets on the pavilion.
| Emerald cut | Radiant cut | |
|---|---|---|
| Facet pattern | Step facets in parallel rows | Step facets on the crown, brilliant facets on the pavilion |
| Sparkle | Broad, mirror-like flashes | More fire and scattered sparkle |
| Inclusions | Easier to see | Better hidden |
| Look | Vintage, sleek, architectural | Bright, modern |
- Look: an emerald cut shows clean, broad flashes. A radiant cut shows more fire and sparkle.
- Clarity: an emerald cut reveals more of the inside of a stone. A radiant cut is more forgiving.
- Style: emerald cuts feel vintage and architectural. Radiant cuts feel bright and modern.
Neither is better. Choose emerald cut if you love a sleek, glassy look, and radiant cut if you want maximum sparkle in the same outline.
Is an emerald cut stone a real emerald?
Not necessarily. "Emerald cut" describes the cut, while "emerald" identifies the gemstone. The GIA describes emerald as the most famous green variety of beryl. An emerald cut diamond is a diamond fashioned in this cut, whether colorless or colored. An emerald cut cubic zirconia is a different material fashioned in the same cut.
To know what you are buying, look for the stone material in the product details, not the cut name. A trustworthy listing will say plainly whether the stone is a natural emerald, a lab-grown emerald, a diamond or cubic zirconia.
Our emerald cut and emerald green pieces
We use cubic zirconia, not emeralds or diamonds, and we say so on every product page:
- The Emerald Cut Zirconia Necklace and Earrings Set pairs a rectangular emerald cut zirconia halo pendant (23 x 19 mm) with matching 16 x 12 mm studs, in 14K gold plated brass. The necklace adjusts from 405 to 485 mm.
- The Emerald Green CZ Geo Jewelry Set sets an emerald green and a clear princess-cut zirconia side by side on a white gold plated brass curb chain, with matching lever-back drops.
- The Emerald Green CZ Huggies are 18K gold plated stainless steel hoops with green cubic zirconia.
Frequently asked questions
Is emerald cut the same as baguette cut?
They are related. Both are step cuts, but a baguette is a long, narrow rectangle, usually small and used as an accent, while an emerald cut has trimmed corners and is often a center stone.
Why is it called an emerald cut if it is not an emerald?
The name comes from the gemstone the cut was first developed for. Today it simply names the shape.
Does an emerald cut look smaller than a round stone?
Its elongated outline often looks larger across the finger or pendant than a round stone of similar weight, although it depends on the proportions.
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