May 22

Quartz vs Diamond | How To Tell Them Apart and Which One To Get


Author: David Kopelman

Looking to buy a new piece of jewelry and deciding between quartz or diamond? As a gemstone enthusiast, I know firsthand how important it is to understand the differences between these two popular options. While both are stunning, each gemstone has its own unique characteristics that set it apart. So, in this blog post, I'm excited to share everything you need to know about the quartz vs diamond debate. From their individual properties to their cultural significance, we'll explore every aspect to help you decide which gemstone is right for you. So join me on this journey, and let's become experts together!

Key Takeaways

  • Diamond is harder and more durable than Quartz, making it a popular choice for jewelry and industrial applications.
  • Quartz is a more affordable option than Diamond and comes in a wider range of colors and varieties.
  • When choosing between Diamond and Quartz, it's important to consider personal preferences, budget, and practical applications.
  • Both Quartz and Diamond can be clear and colorless, making it important to examine the stones closely to tell them apart.
  • Well-cut diamonds are never out of fashion. Whether it's a crystal shape, or a hexagonal shape, genuine diamonds have a natural luster that is detectable to the professional eye.

What is Quartz?

I have a particular soft spot for Quartz. So, what exactly is this mesmerizing stone? Well, Quartz is a mineral composed of silicon dioxide and oxygen atoms, with a chemical formula of SiO2. It is the second most abundant mineral on the planet with unusual crystal formations and has been used for various purposes since ancient times. In fact, the ancient Greeks believed that Quartz was a form of permanent ice, while the Romans believed it had special powers that protected the wearer from harm.

A quartz ring

One of the things that make Quartz so special is its unique properties. It's one of the hardest minerals on earth, with a rating of 7 on the Mohs hardness scale. Its color and transparency vary greatly, with some Quartz crystals being clear and colorless, while others come in shades of green, purple, or yellow. What's more, Quartz has the ability to store and amplify energy, making it a popular choice for healing and spiritual practices.

When it comes to varieties of Quartz, there are many to choose from. Amethyst, for example, is a purple variety of Quartz and is considered one of the most valuable. Citrine, on the other hand, is a yellow variety of Quartz and is often used in jewelry. There's also Rose Quartz, Smoky Quartz, Milky quartz, and many others, each with its own unique properties and uses.

A bowl with quartz stones in different colors

What is a Diamond?

Diamonds are a form of carbon atom rock crystal that has undergone a unique process deep within the earth's mantle, resulting in the hardest known natural substance on the planet. They've been prized for centuries for their beauty, rarity, and durability, with the first diamonds believed to have been discovered in India over 2,500 years ago.

One of the most fascinating properties of diamonds is their hardness, with a rating of 10 on the Mohs hardness scale. Diamonds vary in color, with some being completely colorless, while others come in shades of yellow, pink, and blue. Diamonds are also known for their high refractive index, which gives them their signature sparkle and fire.

Diamond rings

When it comes to types of diamonds, there are natural diamonds that are mined from the earth, and there are also lab-grown diamonds that are created in a laboratory setting. While both are chemically identical, they differ in their origin and cost. Rough diamond quartz is still extremely rare to find.

This shiny rock is a treasured gemstone that has captivated people for centuries. From their unrivaled hardness and dazzling sparkle to their rich history and cultural significance, genuine diamond is the only stone with unique crystal structures and is truly a gemstone like no other.

Clear diamonds

Quartz vs Diamond

As a gemstone observer, I'm often asked about the differences between Quartz and Diamond. These two stones are both popular and have their own unique properties that make them stand out.

First, let's talk about hardness. Diamond is the hardest mineral on earth with a rating of 10 on the Mohs scale, while Quartz comes in at a respectable 7. This means that diamond is more durable and scratch-resistant than quartz.

Quartz has a much wider range, with its colors in various hues such as pink, purple, yellow, and even colorless. Diamond, on the other hand, is known for its classic colorless appearance, although colored diamonds do exist.

Value is another factor to consider. While Quartz is a beautiful and affordable gemstone, diamond is much more valuable and is often used for engagement rings and other high-end jewelry.

In terms of uses, both Quartz and Diamond have practical and decorative applications. Quartz is often used in watches, electronics, and as a healing crystal. Diamond, on the other hand, is primarily used in jewelry and industrial applications, such as for cutting and polishing.

How to Choose Between Quartz and Diamond Crystals

I've spent plenty of time weighing the pros and cons of quartz jewelry and diamond jewelry, so here are some tips to help you make an informed decision.

First, consider your personal preferences. Are you drawn to the classic beauty of a diamond, or do you prefer the range of colors and styles available in Quartz? Both sparkle and these stones have their own unique appeal, so it's important to choose the one that resonates with you.

Next, think about your budget. While diamonds are more valuable and expensive than Quartz crystal, there are still plenty of options available at different price points for both stones.

It's also important to consider the practical uses of your jewelry. If you're looking for something durable and scratch-resistant, a real diamond ranks higher and is the clear winner. But, if you're looking for something versatile and affordable, Quartz may be the better choice.

Choosing between Quartz and Diamonds comes down to personal preferences and practical considerations. With these tips in mind, you're sure to find the perfect gemstone for your next piece of jewelry.

Various pieces of gemstone and diamond jewelry

Frequently Asked Questions

Now I will answer some frequently asked questions about the difference between quartz crystals and diamond crystals

How can you tell a diamond from quartz?

Diamonds are harder than quartz and can scratch easily. Additionally, diamonds have a higher refractive index and are more sparkly.

Can quartz be mistaken for diamond?

Yes, since both Quartz and Diamonds can be clear and colorless, they can be mistaken for each other without a diamond tester and careful examination.

Is quartz stronger than a diamond?

No, a natural diamond is harder and more durable than quartz. Diamond is the hardest known mineral and scores 10 on the Mohs hardness scale, while quartz scores 7. Diamond always wins the hardness test in the jewelry industry.

Is quartz cheaper than a diamond?

Yes, quartz is generally cheaper than diamond due to differences in rarity, value, and production costs.

Various gemstone and diamond rings


Gemstones are a fascinating and beautiful part of our world, known for their unique properties and aesthetic appeal. Quartz, along with diamonds, are two of the most popular and sought-after stones, prized for their ability to reflect light and stunning appearance.

As a lover of all things shiny and sparkly, I've enjoyed exploring the similarities and differences between these gems, including how quartz forms. From their chemical properties to tips for choosing between them, we've covered it all. By now, you should have a solid understanding of what sets these stones apart, and how to make an informed decision when it comes to selecting gemstones for your jewelry or other uses.

About the Author:

David Kopelman

In every article I write, I share my experience as a GIA Graduated Gemologist so that you learn everything about diamonds and other precious stones.

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