Does Cubic Zirconia Tarnish? The Complete Guide to CZ Jewelry Care
What Is Cubic Zirconia?
Cubic zirconia (CZ) has become one of the most popular diamond alternatives in modern jewelry. This lab-created gemstone offers remarkable brilliance at a fraction of the cost of natural diamonds. But does cubic zirconia tarnish? That's the question we'll explore in depth throughout this article.
Does Cubic Zirconia Tarnish? The Science Explained
The short answer is no - pure cubic zirconia does not tarnish. Unlike some metals that oxidize when exposed to air and moisture, CZ is a stable crystalline material that maintains its appearance over time. However, there are important nuances to understand about does cubic zirconia tarnish in real-world conditions.
While the CZ stone itself won't tarnish, the metal setting it's placed in might. This explains why some people report their CZ jewelry changing color or losing its shine. The tarnish actually comes from the metal components, not the CZ gem.
Factors That Affect CZ Jewelry Appearance
- Metal quality of the setting
- Exposure to chemicals (perfume, lotions, chlorine)
- Frequency of cleaning
- Storage conditions
How to Care for Your Cubic Zirconia Jewelry
Proper care will ensure your CZ jewelry maintains its brilliance for years. Here are our top tips:
1. Regular Cleaning: Use a mild soap solution and soft brush to clean your CZ jewelry weekly. This prevents buildup of oils and dirt that can dull the stone's sparkle.
2. Proper Storage: Store each piece separately in a soft pouch or jewelry box to prevent scratches. This is especially important when considering does cubic zirconia tarnish in relation to other jewelry pieces.
3. Chemical Avoidance: Remove CZ jewelry before swimming, applying cosmetics, or doing household chores. Chemicals can damage the metal settings.
Top Cubic Zirconia Jewelry Picks
Here are some of our favorite CZ pieces that combine quality craftsmanship with stunning design:
1. Flat Back Horse Shoe Earrings No-tarnish Medical Grade Titanium

Price: $34.90
2. 14k Gold Plated CZ Diamonds Flat Back Earrings

Price: $34.90
3. 925 Silver Animal Paw CZ Diamond Flat Back Earrings

Price: $34.90
4. 925 Silver Blue Butterfly Flat Back Earrings

Price: $34.00
5. 925 Silver Bow CZ Diamond Flat Back Earrings

Price: $34.00
Cubic Zirconia vs. Other Gemstones
When considering does cubic zirconia tarnish compared to other stones, it's helpful to look at this comparison table:
Gemstone | Tarnish Resistance | Hardness (Mohs Scale) | Cost |
---|---|---|---|
Cubic Zirconia | High (stone doesn't tarnish) | 8-8.5 | $$ |
Diamond | High | 10 | $$$$$ |
Moissanite | High | 9.25 | $$$ |
White Sapphire | High | 9 | $$$$ |
Fashion Magazine Insights on CZ Trends
Here's what leading fashion publications say about cubic zirconia jewelry:
- Vogue - "CZ jewelry has become indistinguishable from diamonds to the untrained eye."
- Harper's Bazaar - "Modern CZ settings use tarnish-resistant metals for long-lasting wear."
- ELLE - "Celebrities are embracing CZ for red carpet events and everyday wear."
- Cosmopolitan - "CZ offers the perfect balance of luxury and affordability."
- Glamour - "The question 'does cubic zirconia tarnish' is becoming irrelevant with new metal alloys."
For more stunning CZ jewelry options, explore our collections at Trendolla Jewelry. Whether you're looking for earrings, necklaces, or bracelets, we have pieces that answer the question does cubic zirconia tarnish with a resounding "not if you care for them properly!"