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Cubic Zirconia Shapes & Cuts
This brilliant cut dates back to the mid-1800s when the Royal Asscher Diamond Company was founded by Joseph Asscher.
| Asscher | |
|---|---|
| (mm) | (ct) |
| 5x5 | 0.50 |
| 5.5x5.5 | 0.75 |
| 6x6 | 1.00 |
| 7x7 | 1.50 |
| 7.5x7.5 | 2.00 |
| 8x8 | 2.50 |
| 8.5x8.5 | 3.00 |
| 9x9 | 3.50 |
| 9.5x9.5 | 4.00 |
| 10x10 | 5.00 |
This elongated shape was inspired by the fetching smile of the Marquise de Pompadour and commissioned by King Louis XIV of France to match it.
| Marquise | |
|---|---|
| (mm) | (ct) |
| 8x4 | 0.50 |
| 9x4.5 | 0.75 |
| 10x5 | 1.00 |
| 11x5.5 | 1.50 |
| 12x6 | 2.00 |
| 13x6.5 | 2.50 |
| 14x7 | 3.00 |
| 15x7.5 | 4.00 |
| 16x8 | 5.00 |
The oval cut is elliptical in shape and is a variation of the round cut. The oval shape gives a flattering illusion of length to the finger and hand.
| Oval | |
|---|---|
| (mm) | (ct) |
| 7x5 | 1.00 |
| 8x6 | 1.50 |
| 8.5x6.5 | 2.00 |
| 9x7 | 2.50 |
| 10x8 | 3.00 |
| 11x9 | 4.00 |
| 12x10 | 5.00 |
| 13x11 | 5.50 |
| 14x10 | 6.00 |
The pear cut is a teardrop shape and a variation of the round cut. This cut is exceptionally well suited for pendants and drop earrings.
| Pear | |
|---|---|
| (mm) | (ct) |
| 8x5 | 1.00 |
| 8.5x5.5 | 1.25 |
| 9x6 | 1.50 |
| 9.5x6.5 | 1.75 |
| 10x7 | 2.00 |
| 11x7.5 | 2.50 |
| 12x8 | 3.00 |
| 13x8 | 3.25 |
| 13x9 | 3.50 |
| 14x9 | 4.00 |
| 15x9 | 4.50 |
| 15x10 | 5.00 |
The emerald cut is rectangular in shape with cropped corners. It is a step cut featuring broad, flat planes that resemble stair steps.
| Emerald | |
|---|---|
| (mm) | (ct) |
| 5x3 | 0.25 |
| 6x4 | 0.50 |
| 6.5x4.5 | 0.75 |
| 7x5 | 1.00 |
| 8x6 | 1.50 |
| 8.5x6.5 | 2.00 |
| 9x7 | 3.00 |
| 10x8 | 4.00 |
| 11x9 | 4.50 |
| 12x10 | 5.00 |
The round cut is the most popular of all shapes, crafted so its circular proportions reflect maximum light back to the observer.
| Round | |
|---|---|
| (mm) | (ct) |
| 5.00 | 0.60 |
| 5.25 | 0.65 |
| 5.50 | 0.70 |
| 5.75 | 0.75 |
| 6.00 | 0.85 |
| 6.50 | 1.00 |
| 6.75 | 1.10 |
| 7.00 | 1.25 |
| 7.25 | 1.40 |
| 7.50 | 1.50 |
| 7.75 | 1.75 |
| 8.00 | 2.00 |
The princess cut is a square shape with sharp edges. It features numerous sparkling facets and is flattering on long fingers and hands.
| Princess | |
|---|---|
| (mm) | (ct) |
| 3.75x3.75 | 0.25 |
| 4x4 | 0.30 |
| 4.25x4.25 | 0.33 |
| 4.5x4.5 | 0.40 |
| 4.75x4.75 | 0.50 |
| 5x5 | 0.60 |
| 5.5x5.5 | 0.75 |
| 6x6 | 1.00 |
| 6.5x6.5 | 1.25 |
| 7x7 | 1.50 |
| 7.5x7.5 | 2.00 |
| 8x8 | 2.50 |
| 8.5x8.5 | 3.00 |
| 9x9 | 3.50 |
| 9.5x9.5 | 4.00 |
| 10x10 | 5.00 |
The triangle cut is a wedge shape with fiery brilliance. It can feature traditional pointed corners or a softer, rounded triangular silhouette.
| Triangle | |
|---|---|
| (mm) | (ct) |
| 4x4 | 0.25 |
| 4.5x4.5 | 0.35 |
| 5x5 | 0.50 |
| 6x6 | 0.75 |
| 6.5x6.5 | 1.00 |
| 7x7 | 1.25 |
| 7.5x7.5 | 1.50 |
| 8x8 | 2.00 |
| 9x9 | 3.00 |
| 10x10 | 4.00 |
This calm and soothing cut is one of the most historically popular. Historically, its soft facets allow the eye to travel deep into the stone.
| Cushion | |
|---|---|
| (mm) | (ct) |
| 5x5 | 0.50 |
| 5.5x5.5 | 0.75 |
| 6x6 | 1.00 |
| 7x7 | 1.50 |
| 7.5x7.5 | 2.00 |
| 8x8 | 2.50 |
| 8.5x8.5 | 3.00 |
| 9x9 | 3.50 |
| 9.5x9.5 | 4.00 |
| 10x10 | 5.00 |
The ultimate symbol of romance, the heart shape is a brilliant variation of the round cut diamond featuring a delicate cleft at the top.
| Heart | |
|---|---|
| (mm) | (ct) |
| 4x4 | 0.25 |
| 4.5x4.5 | 0.35 |
| 5x5 | 0.50 |
| 6x6 | 0.75 |
| 6.5x6.5 | 1.00 |
| 7x7 | 1.25 |
| 7.5x7.5 | 1.50 |
| 8x8 | 2.00 |
| 9x9 | 3.00 |
| 10x10 | 4.00 |
This square or rectangular cut features clipped corners like an emerald cut, combining step-cut elegance with the fire and brilliance of a round cut.
| Radiant | |
|---|---|
| (mm) | (ct) |
| 6x4 | 0.50 |
| 7x5 | 1.00 |
| 8x6 | 1.50 |
| 8.5x6.5 | 2.00 |
| 9x7 | 3.00 |
| 10x8 | 4.00 |
| 11x9 | 5.00 |
About Cubic Zirconia
Cubic Zirconia is widely recognized as the premier diamond simulant available today. It has successfully established itself as a high-quality, brilliant, and accessible alternative in the modern luxury jewelry market. To the untrained eye, Cubic Zirconia is visually indistinguishable from a natural diamond, exhibiting extraordinary clarity, fire, and light dispersion.
Cubic Zirconia History
Discovered as a natural mineral by German mineralogists in 1937, it wasn't until the mid-1970s that scientists perfected growing cubic zirconium oxide crystals in controlled laboratory environments. By the 1980s, mass production allowed master jewelers to set high-grade Cubic Zirconia into fine precious metal settings.
Created by synthesizing Zirconium Oxide and Yttrium Oxide under intense heat reaching nearly 5,000°F, Cubic Zirconia achieves incredible hardness and flawless optical clarity. Set in solid gold and platinum settings, it offers timeless radiance and durable everyday glamour.
