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Jewelry Care Tips

Why Is My Diamond Getting Cloudy? Common Causes Explained

by Edelflor Padillo
Jul 28, 2025

Introduction

Graduated from known brilliance, if your diamond has started looking dull, cloudy, or lifeless, you are certainly not alone. A good number of people buying diamondsβ€”especially those who wear a diamond ring dailyβ€”would notice a loss of sparkle in the gem with time. If you have ever asked yourself, "Why is my diamond getting cloudy?"β€”this article will take you through the causes and remedies.

1. Surface Build-Up: The Most Common Culprit

Clear diamond on a dark surface with water droplets

Quite commonly, a cloudy diamond is only an illusion-the thing is actually dirty.


Everyday Causes of Diamond Dullness:

  • Lotions and creams:

    These leave a residue that coats the surface.

  • Soaps and shampoos:

    CFrequent handwashing or showering with your ring on can create buildup.

  • Natural oils:

    Your skin naturally produces oils that can stick to the diamond.

  • Dust and debris:

    Environmental particles cling to the diamond’s facets, muting its sparkle.

Though diamonds are the hardest natural substances, they can still collect grime on the surface. This prevents light from entering and reflecting as it should, thus the reduction in brilliance.

2. Wrong Cleaning Methods

Gold ring with a large diamond being cleaned by a brush in water

Sometimes the very methods applied create that cloudy appearance.

  • Harsh chemicals (like bleach or acetone) may cause damage to the setting or leave some residues.

  • Coarse brushes may scratch the metal around the diamond, thus dulling the whole look.

  • If done wrong, ultrasonic cleaners could shake up stones or mess up some settings.

Use gentle cleaning instead: warm water, a few drops of detergent liquid, and a soft tooth brush. Soak for 15-20 minutes; then softly scrub and rinse very well.

3. Internal Inclusions or Cloudy Appearance by Design

Crystal with embedded dried plants on a gray background

At times, the diamond itself has internal inclusions or attributes that provide a cloudy or milky look-delay especially at lower clarity grades or with lab-grown stones that contain metallic inclusions.


Causes of internal cloudiness:

  • Feather or cloud inclusions

    Small-groupings of microscopic imperfections inside the stone.

  • Fluorescence effects

    On rare occasions, extremely strong fluorescence can cause haze in diamonds, in daylight.

  • Metallic inclusions in CVD lab-grown diamonds

    Sometimes are perceived as foggy or smoky areas.

If your diamond has had a slight cloudy look even in the clean state, it could be due to these natural or growth-related characteristics.

4. Damage or Surface Wear Over Time

Close-up of a brown diamond on a gray background

Diamonds are hardβ€”yet not indestructible. Therefore, facet edges may slowly get worn out with time, or very fine abrasion can set in at the surface.


Signs of wear:

  • Blurry or rounded facets

  • No crisp sparkle

  • Very fine scratches that hold dirt

These conditions are more prevalent among older or heirloom diamonds, especially if the ring is exposed to hard conditions all the time.

5. Residue Underneath the Stone

Close-up of a diamond in a silver setting with a dark background

The base of a ring-opposite the setting-accumulates all kinds of debris. Since light enters a diamond from every conceivable angle, even grime below will diminish the brilliance.


Try to look at the diamond from the side and the bottom. If it looks perfectly clear from above but murky beneath, then you must consider a deeper cleaning or perhaps a professional ultrasonic service.

How to Get Your Diamond to Sparkle Again

Close-up of a diamond with a hand holding a diamond cleaner tool on a reflective surface.

Try any of these effective ways to make a diamond sparkle again:

Cleaning at home:
  • Warm water + mild dish soap

  • Soft toothbrush for gentle scrubbing

  • Rinse well and dry with a lint-free cloth

Cleaning by professionals:
  • One visit to a jeweler every 6-12 months

  • Ultrasonic or steam cleaning for deep grime removal

  • Check the setting for wear or looseness

Avoid buildup:
  • Magic! Say goodbye to grease on your rings by removing them before lotioning or doing the dishes.

  • Diamonds must be kept in a clean container.

  • The ring should be gently cleaned once a week if worn on a daily basis.

Conclusion

If your diamond is having a hard time shining, don't worry: it's probably just dirt from daily buildup or slight wear. A simple cleaning usually restores the shine. But if after cleaning, the diamond still seems hazy, a vetting by the jeweler could be worth it. He'll check for internal features or even damages.

At Stienhardt & Stones, all our lab-grown diamonds have been hand-picked for their clarity and brilliance. If you're concerned about your diamond appearing cloudy or dull, our specialists will see to it that your diamond is restored to its sparkling glory.

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About the Author


Edelflor Padillo

Edelflor Padillo

Edelflor Padillo creates elegant jewelry inspired by timeless craftsmanship and modern style. She brings passion and precision to every piece she designs.

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