What is the difference between Lab-Grown Diamonds and Natural Diamonds?

 

  • Lab-grown diamonds and Natural diamonds are identical in their chemical composition, physical properties, and optical brilliance. Both are made of pure carbon and rate a 10 on the Mohs scale of hardness.

 

The key differences lie in their origin, rarity, and market value.

 

  • Origin and Formation Time
  • Natural Diamonds: Formed over billions of years deep within the Earth under extreme heat and pressure. They are a finite, non-renewable natural resource.  It has collectible and commemorative value, value-preserving properties.

 

  • Lab-Grown Diamonds: Created in a laboratory using advanced technology (HPHT or CVD) that mimics the natural environment. They can be grown in just a few weeks.

 

  • Price Difference:
  • Lab-grown diamonds typically cost 70% to 90% less than natural diamonds of the same quality.  It is budget-friendly for daily wear

 

  • Identification
  • Visual Appearance: They look exactly the same.  Even professional jewellers cannot tell them apart with the naked eye or a standard loupe.
  • Professional Grading: Specialized machines are needed to detect growth patterns or trace elements (like nitrogen in natural stones vs. metallic flux in lab stones).
  • Certification: Reputable labs like GIA or IGI laser-inscribe “Lab-Grown” on the diamond’s girdle and issue specific certificates to ensure transparency.