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What Is Difference Between CZ And Lab-Grown Diamonds?

In the glittering world of gemstones, getting confused with the bedazzling sparkle and shimmer is sure to leave in no man’s land. You certainly have heard of mined diamonds, lab-grown diamonds, and synthetic stones. But what about Cubic zirconia (CZ)? Many consumers mistake it for a lab-created diamond, but these two sparkle in very different ways. 

If you have been exploring jewelry options recently, cubic zirconia (CZ) and lab-grown diamonds must have been prominent choices, as they are both popular alternatives to naturally mined diamonds. Imitating the same sparkle and flare as those shiny, sumptuous diamonds, they show functional dissimilarities when compared fundamentally considering creation, application, and composition. 

At LA Chic Jewelry, we’ve spent over 35 years mastering the art of high-quality AAA-certified Cubic Zirconia jewelry, including engagement and custom rings, all expertly crafted in Los Angeles. With our expertise spanning three generations, we are used to guiding you through the world of CZ and lab-grown diamonds. By the end of this guide, you’ll have all the information you need to make an informed purchase that aligns with your values and preferences.

Cubic Zirconia- What is It?

Cubic zirconia (CZ), a synthetic material, is an artificially created alternative to natural diamonds that perfectly mimics the cut, clarity, sparkle, and brilliance of its natural counterpart. It’s made from zirconium oxide and boasts a crystal symmetry that gives it the desired dazzle. Though having a diamond-like appearance, CZ should not be considered a diamond, thereby not sharing its chemical properties. 

A man-made crystal, initially developed in Russia in the 1970s primarily for its industrial applications, has quickly found its way into the jewelry industry, making a bold and beautiful impact due to its affordability and sparkle. Known to embellish everything from the quintessential bridal sets to fashion earrings, CZ is certainly a go-to material for engagement rings, necklaces, etc. CZ has its name etched deep in the hearts of jewelry enthusiasts, collectors, and aficionados. 

Protip: Look for AAA-certified CZ stones, like the ones used in our LA Chic Jewelry collection, for the most authentic diamond-like sparkle.

Is Cubic Zirconia a Real Diamond?

No, CZ is not a diamond; it's instead a synthetic alternative to its naturally mined counterpart. With its cut, clarity, and sparkle imitating that of a diamond, these are visually similar and rank an 8.5 on the Mohs scale of hardness, compared to a diamond’s perfect 10. It is less durable yet very suitable for creating well-crafted jewelry that is not only easily accessible but also affordable. 

Note: CZ can look similar to a diamond at a glance, but jewelers and even some consumers can tell the difference under close inspection.

How to Care for Cubic Zirconia Jewelry?

Proper and thorough care is required to ensure the longevity of your CZ jewelry. Although cubic zirconia is highly durable, it remains vulnerable to scratches and dullness over time, particularly with everyday wear. To keep your CZ jewelry in top condition, clean it thoroughly with a soft cloth and a mild soap solution. 

Avoid using harsh cleaners or abrasive chemicals, as they can cause damage to the surface. It’s also recommended to store CZ jewelry in a soft-lined box or pouch to prevent scratching against other items. With these simple steps, your cubic zirconia pieces will remain sparkling and shine for years to come.

How is Cubic Zirconia Made?

CZ is produced in controlled laboratory environments. It is created by melting zirconium and zirconium dioxide at extreme temperatures (about 4982ºF). The results are fine crystals, flawless ones with clarity and sparkle similar to those of their natural counterparts. 

This process differs from the method used to create lab-grown diamonds, which are formed using carbon and mimicked natural conditions through HPHT (High-Pressure, High-Temperature) or CVD (Chemical Vapor Deposition) over 10–12 weeks. 

Protip: Always ask your jeweler for information on the creation process of your stone. Transparency is a mark of a reputable jeweler — something we at LA Chic Jewelry take pride in.

What Are Lab-Grown Diamonds?

Lab-grown diamonds are also known as synthetic diamonds. These are created in laboratories using cutting-edge technology, purely and aesthetically replicating the appearance and imitating the visually striking presence of diamonds, as well as their formation process. From being chemically, optically, and physically identical to mined diamonds, these are an ethical alternative to natural diamonds. 

Key Differences Between CZ and Lab-Grown Diamonds

While CZ and lab-grown diamonds might appear similar at first glance, there are several key differences to note.

1. Chemical Properties

  • CZ is made by melting zirconium and zirconium dioxide under controlled laboratory environments, thus giving them a different chemical composition and density compared to diamonds. 

  • Lab-grown diamonds are composed of pure carbon, exactly like mined diamonds.

2. Durability and Hardness

  • Cubic zirconia ranks well on the Mohs scale, with a hardness close to 8-8.5. These synthesized gemstones, though, are comparatively less durable and prone to scratching over time compared to diamonds.  

  • Lab-grown diamonds rank at a perfect 10 on the Mohs scale, similar to natural diamonds, ensuring exceptional durability and resistance to everyday wear.

3. Brilliance and Sparkle

  • CZ having a higher dispersion rate means it reflects more colored lights. Creating more reflection with the rays striking the crystal-like structure of the diamond, light traveling through makes it appear more flashy. Although this gives a visually striking presence, it can sometimes render an unnatural look. 

  • Lab-grown diamonds exhibit the same brilliance and fire as mined diamonds, providing the natural sparkle that many seek in fine jewelry.

4. Cost

  • CZ, being significantly more affordable, often costs a fraction of the price of a lab-grown diamond. However, it does not hold the same long-term value.  

  • Lab-grown diamonds are comparatively more expensive than CZ but feature greater cost-effectiveness as compared to mined diamonds, thus offering the perfect balance between affordability and long-term value.

Understanding these differences can help consumers make informed decisions based on their priorities, whether they’re focused on budget, longevity, or authenticity. Each option has unique benefits that cater to different preferences and needs.

Pro Tip: At LA Chic Jewelry, we offer custom ring designs featuring AAA cubic zirconia and can replicate high-end styles without the hefty price tag.

Why Choose One Over the Other?

When to Choose CZ

CZ suits perfectly when:

  • You seek visually striking, stunning diamond-like sparkles that are affordable.

  • You desire a variety of colors in your jewelry. 

  • You love and are passionate about jewelry that is not only lightweight but also ideal for both occasional and daily wear. 

When to Choose Lab-Grown Diamonds

Lab-grown diamonds are ideal if:

  • You value the authenticity and authoritativeness of real diamonds but are seeking an ethical alternative to naturally mined gemstones. 

  • You are seeking long-lasting, durable jewelry that is suitable for everyday wear. 

  • You want to invest in a timeless piece of jewelry chosen explicitly for special moments, such as an engagement or wedding ring.

Note: CZ can cloud over time, but with proper care and occasional replacement, it remains a viable choice for many.

FAQs

Are lab-grown diamonds and CZ the same?

No, lab-grown diamonds and CZ differ in nearly every way except appearance. Lab-grown diamonds are real diamonds, while CZ is a synthetic material.

Which is better for daily wear?

Following a better quality, longevity, durability, and hardness, lab-grown diamonds indeed prove a superior match to CZ and are thus suitable for daily wear. 

Comprising a hardness of 10 on the Mohs scale, identical to mined diamonds, they resist scratches and maintain their sparkle over time. Cubic zirconia (CZ), on the other hand, is softer, ranking around 8 to 8.5 on the Mohs scale, thus more prone to scratches and clouding with frequent use.

Where can I buy high-quality CZ jewelry?

For expertly crafted CZ jewelry, browse our exclusive collection at LA Chic Jewelry, where three generations of mastery meet premium design and craftsmanship.

Are lab-grown diamonds environmentally friendly?

Yes, lab-grown diamonds leave a comparatively smaller environmental footprint compared to mined diamonds, thus providing increased sustainability for shoppers who value environmental friendliness. 

Choosing Between CZ and Lab-Grown Diamonds

CZ proves the perfect fit if you are among those jewelry aficionados who love a more budget-friendly jewelry range.  Not just the budget, but the values and expectations set against CZ are huge in the world of synthetic gemstones. Offering the highest brilliance at the best price, CZ should be your go-to option. For those seeking authenticity and longevity with an ethical twist, lab-grown diamonds are the way to go.

At LA Chic Jewelry, we offer expert craftsmanship in AAA-certified CZ jewelry that balances aesthetics, affordability, and quality. Explore our collection today and find the perfect piece tailored to your style and preferences. Whether it’s CZ or lab-grown diamonds, we’re here to help you make the right choice.