When considering lab-grown diamonds, many buyers ask: "Will they fade, turn yellow, or degrade over time?" After all, diamonds symbolize eternal love, so their durability matters.  

This article explores the science, expert opinions, and real-world data to answer this critical question.  

The Short Answer: No, Lab-Grown Diamonds Do Not Fade or Deteriorate

1.Identical Physical & Chemical Properties to Mined Diamonds 

Lab-grown diamonds share the same atomic structure, hardness, and stability as natural diamonds:  

- Composition: Pure carbon (C) with a cubic crystal lattice.  

- Hardness: 10 on the Mohs scale (the highest possible).  

- Stability: Resistant to heat (up to 1200°C), acids, and daily wear.  

Certified by Experts:  

GIA and IGI grading reports confirm that lab diamonds are just as durable as mined diamonds.  

2.When Might a Lab Diamond Lose Sparkle? (Rare Cases)

While lab diamonds are highly stable, these scenarios could affect appearance:

Surface Dirt or Oil Buildup (Reversible)  

- Oils, lotions, or dust can temporarily reduce shine (natural diamonds face the same issue).  

- Fix: Clean with warm water, mild soap, and a soft brush.  

Extreme Physical Damage (Very Unlikely)  

- Like natural diamonds, lab diamonds can chip or crack if struck with extreme force (e.g., a hammer).  

- Normal wear (bumps, scratches) won’t damage them.  

Low-Quality Coated Stones (Not Real Lab Diamonds)  

- Some sellers market coated cubic zirconia as "lab diamonds"—these may discolor.  

- Avoid scams: Buy IGI/GIA-certified diamonds from trusted brands.  

Real-World Data: Customer Experiences

A survey of 100+ long-term lab diamond owners revealed:  

- 98% reported "no visible changes" after 1+ years of wear.  

- 2% noted temporary dullness due to dirt (resolved after cleaning).  

- 0 cases of fading or structural deterioration.  

How to Care for Lab-Grown Diamonds

Maximize your diamond’s brilliance with simple maintenance:  

1. Clean monthly: Soak in warm water + dish soap, gently scrub with a soft toothbrush.  

2. Avoid harsh chemicals: Remove jewelry when swimming, applying perfume, or using bleach.  

3. Store properly: Keep in a fabric-lined box to prevent scratches.  

Debunking Common Myths

"Lab diamonds turn yellow over time."  

- Truth: Only poorly made HPHT diamonds with nitrogen impurities may develop a yellow tint. Modern CVD diamonds are colorless and stable.  

"Lab diamonds are fake diamonds."  

- Truth: Lab diamonds are real diamonds—chemically identical to mined ones. They’re not simulants like moissanite or cubic zirconia.

Buying Tips for Long-Lasting Lab Diamonds

1. Choose certified stones: IGI/GIA reports guarantee quality (look for D-F color, VS+ clarity).  

2. Prioritize CVD for color stability: CVD-grown diamonds have fewer impurities than HPHT.  

Final Verdict

Lab-grown diamonds do not fade, discolor, or degrade under normal conditions. With proper care, they’ll remain as brilliant as the day you bought them—forever.