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Crystals and cubic zirconia are two stones that are often compared. While they may appear similar, there are significant differences between them. Crystals can be either natural stones made of quartz or synthetic stones made of plastic, glass or acrylic. Synthetic crystals, like Swarovski crystals, are made of silicon dioxide combined with trace amounts of lead to enhance their brilliance. Cubic zirconia, on the other hand, is a man-made stone made of zirconium dioxide with yttrium, magnesium and calcium. It is designed to mimic the look of diamonds and is often used as a more affordable alternative. Cubic zirconia is also harder than crystal, making it more resistant to scratches and giving it superior durability.
| Characteristics | Cubic Zirconia | Austrian Crystal |
|---|---|---|
| Composition | Synthetic crystalline material made of zirconium oxide | Glass made from silica and lead oxide |
| Hardness | 8.5 on the Mohs scale (very durable) | 6-7 on the Mohs scale (more susceptible to scratches) |
| Refractive Index | 2.15-2.18 (higher sparkle than diamond) | 1.54-1.56 (lower sparkle) |
| Dispersion | 0.060 (higher fire than diamond) | 0.015 (lower fire) |
| Color | Colorless, but can be made in various colors | Typically colorless, but can be tinted |
| Clarity | Flawless | May have minor inclusions |
| Price | Lower cost | Higher value |
| Use | Popular as a diamond alternative in jewelry | Used in high-end jewelry and chandeliers |
| Cut | Can be cut in various shapes and styles | Cut with precise angles to maximize sparkle |
| Maintenance | Easy to clean and maintain | Requires more careful handling |
| Source | Lab-created | Originally from Austria, now produced worldwide |
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What You'll Learn
Composition and origin
Cubic zirconia is the crystalline form of zirconium dioxide (ZrO2), a naturally occurring mineral. It is synthesised from zirconium dioxide and often includes stabilisers like yttrium, magnesium, or calcium to enhance its durability. It is always man-made and engineered in a laboratory, where it is cut into an infinite number of facets to give it depth and visual texture.
Cubic zirconia is designed to mimic the look of diamonds, giving it a distinct place in the jewellery market. It has a magnificent sparkle, a flawless finish, and a more affordable price tag than diamonds. It is also harder than crystals, making it more resistant to scratches and a popular choice for jewellery that must endure daily wear.
Crystals, on the other hand, can occur naturally or be manufactured. Natural crystals are often made of quartz, while synthetic crystals, like Swarovski crystals, are crafted using silicon dioxide combined with small amounts of lead to enhance their brilliance. They are known for their brilliant sparkle and the way they reflect light, but they often have a slightly softer shine than cubic zirconia. High-quality crystals like Swarovski often have a protective coating to enhance their brilliance and protect their softer surface.
Swarovski crystals are a type of crystal glass enhanced with lead, then polished and cut to give it a high level of shimmer. They are manufactured in Austria and are known for their sparkle and brilliance. They come in many different shapes and sizes, including classic crystal shapes that mimic the most common shapes of diamonds, as well as many eye-catching shapes of their own. They are also produced in dozens of colours, from bright sparkling white to all colours of the rainbow.
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Hardness
Cubic zirconia and Austrian crystal differ in terms of their hardness, which is measured on the Mohs Hardness Scale. This scale ranks minerals from 1 (softest) to 10 (hardest). A crystal typically has a hardness rating of 6, while a cubic zirconia ranges from 8 to 9. This means that cubic zirconia is much harder and more scratch-resistant than crystals, making it a popular choice for jewellery designed for daily wear.
Crystals, especially those made from quartz, are rated around 6 on the Mohs scale. While this makes them durable for everyday use, they are more susceptible to scratches than harder stones. The addition of lead to crystals softens them, making them more fragile than cubic zirconia. High-quality crystals, such as Swarovski crystals, often have a protective coating to enhance their brilliance and protect their softer surfaces.
Cubic zirconia, on the other hand, is known for its hardness and durability. It is synthesised from zirconium dioxide and often includes stabilisers like yttrium, magnesium, or calcium to enhance its durability. Cubic zirconia does not require a protective coating, giving it a more polished and pristine finish than crystals. Its high hardness rating makes it a popular choice for jewellery, especially for those seeking a stone with a diamond-like appearance and superior durability.
The hardness of cubic zirconia contributes to its popularity as a diamond alternative in the jewellery market. Its remarkable hardness, flawless finish, and affordable price tag have driven its demand as a substitute for diamonds in various types of jewellery, including engagement rings and bridal jewellery.
In summary, the hardness of cubic zirconia and Austrian crystal is a key differentiator between the two materials. Cubic zirconia's higher hardness rating makes it more scratch-resistant and durable than crystals, which are more prone to scratches and breakage. This distinction is essential to consider when choosing between the two for jewellery or decorative purposes.
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Appearance
While crystals and cubic zirconia may look similar, there are some differences in their appearance. Crystals are known for their brilliant sparkle and the way they reflect light. They have a warm, light-reflective quality that is hard to beat. However, they often have a slightly softer shine than cubic zirconia. Cubic zirconia has a magnificent sparkle and a flawless finish. Its sparkle is more intense than crystals, offering greater clarity and brilliance.
Crystals can be either natural or man-made. Natural crystals are often made of quartz, while synthetic crystals, like Swarovski crystals, are crafted using silicon dioxide combined with small amounts of lead to enhance their brilliance. Swarovski crystals are a type of crystal glass enhanced with lead, then polished and cut to give them a high level of shimmer. They are often coated in Aurora Borealis to achieve a rainbow reflection when hit by light. The coating on crystals is to enhance their brilliance and protect their softer surface. The higher the quality of the crystal, the more lead it contains, and the more it sparkles.
Cubic zirconia, on the other hand, is entirely man-made. It is synthesized from zirconium dioxide and often includes stabilizers like yttrium, magnesium, or calcium to enhance its durability. It is optically flawless and appears almost exactly the same as a high-quality diamond. It is also relatively inexpensive to produce and can be made into a variety of colours. Cubic zirconia does not require a coating for protection, giving it a more polished and pristine finish.
Cubic zirconia can be set into intricate settings and used more like a gemstone. It can have an infinite number of cuts and facets, giving the substance a certain depth and visual texture. Swarovski crystals, on the other hand, can only be cut in a small number of specific ways.
Overall, cubic zirconia has a more intense sparkle and a more polished finish than crystals. Cubic zirconia is also more durable and less prone to scratches than crystals, making it a popular choice for jewellery designed for daily wear.
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Use in jewellery
Cubic zirconia is a popular alternative to diamonds in jewellery, owing to its visual similarity to diamonds, affordability, and superior durability. It is synthesised from zirconium dioxide and often includes stabilisers like yttrium, magnesium, or calcium to enhance its durability. It has a high dispersion rate, resulting in a brilliant sparkle, a flawless finish, and greater clarity than crystals. Cubic zirconia can be produced in various colours and can be set into intricate settings, making it a versatile choice for jewellery designers. Its superior hardness, ranging from 8 to 9 on the Mohs Hardness Scale, makes it highly resistant to scratches, ensuring its longevity as a gemstone.
Austrian crystals, such as Swarovski crystals, are man-made gems manufactured in Austria. They are crafted using silicon dioxide combined with trace amounts of lead to enhance their brilliance and are known for their sparkling quality. Swarovski crystals are faceted lead glass that comes in various shapes and sizes, including classic diamond shapes and unique eye-catching forms. They are often coated in Aurora Borealis to achieve a rainbow reflection when struck by light. While Swarovski crystals are widely used in jewellery, they are not designed to replicate real diamonds. Instead, they offer a softer "softer" sparkle and a vintage feel, making them a bold and eye-catching choice for jewellery pieces.
When choosing between cubic zirconia and Austrian crystals for jewellery, several factors come into play, including personal preference, desired level of durability, and budget. Cubic zirconia is ideal for those seeking a stone with a diamond-like appearance and superior durability. Its high hardness rating makes it a popular choice for jewellery that must endure daily wear and tear. Additionally, cubic zirconia is often more affordable than diamonds, making it a cost-effective option for those who desire the look of diamonds without the hefty price tag.
On the other hand, Austrian crystals, such as Swarovski crystals, offer a softer, more vintage-inspired sparkle. They are a popular choice for those who want bold and sparkly jewellery, especially if they are looking for coloured pieces to match a specific outfit or occasion. While Austrian crystals may be more prone to scratches due to their lower hardness rating, they have their own unique charm and are highly versatile in terms of colours, shapes, and designs.
Ultimately, both cubic zirconia and Austrian crystals have their advantages and distinct aesthetic qualities. Cubic zirconia is favoured for its remarkable similarity to diamonds, superior durability, and affordability, making it a popular choice for engagement rings and other types of jewellery. Austrian crystals, on the other hand, offer a softer sparkle and a wider range of colours and shapes, making them ideal for fashion jewellery and statement pieces.
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Cost
Cubic zirconia is a popular, budget-friendly alternative to diamonds. It is a synthetic gem that mimics the appearance of diamonds while being much more affordable. The stones are entirely different in terms of composition, with diamonds being carbon-based, and cubic zirconia being made of zirconium dioxide. Cubic zirconia is also harder than Austrian crystals, with a Mohs hardness rating of 8.5-9, compared to 6 for Austrian crystals.
Cubic zirconia is also more durable than Austrian crystals. Austrian crystals are typically made of silicon dioxide combined with trace amounts of lead, which gives them a warm, light-reflective quality. However, this composition also makes them more fragile than cubic zirconia. Austrian crystals are usually hand or machine-cut and can be set using adhesive.
Cubic zirconia, on the other hand, can be produced in various colours and can be cut and polished into numerous shapes. It has a high dispersion rate, resulting in a greater sparkle than Austrian crystals. Cubic zirconia is also less expensive to produce than Austrian crystals, which require the addition of lead oxide to molten glass to increase their refractive index and sparkle.
The price of both cubic zirconia and Austrian crystals can vary depending on their quality, size, and cut. A flawed cubic zirconia may cost around $10, while a high-quality piece can cost hundreds of dollars. Austrian crystals, such as Swarovski crystals, are considered some of the best in the world and are known for their high level of shimmer. However, they may be more expensive than cubic zirconia due to their complex manufacturing process.
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Frequently asked questions
Austrian crystal refers to Swarovski crystals, which are man-made gems manufactured in Austria. They are a type of crystal glass enhanced with lead and polished and cut to give them a high level of shimmer.
Cubic zirconia is a man-made stone made mostly of zirconium dioxide with yttrium, magnesium, and calcium. It is a popular alternative to diamonds due to its similar appearance and more affordable price.
Austrian crystals have a softer sparkle than cubic zirconia, giving them a more vintage feel. Cubic zirconia tends to have a more intense sparkle, offering greater clarity and brilliance.
On the Mohs Hardness Scale, crystals have a rating of around 6, while cubic zirconia ranges from 8 to 9. This makes cubic zirconia more durable and resistant to scratches than Austrian crystals.
