Why IGI Certification Matters for Lab-Grown Diamonds
IGI (International Gemological Institute) certification is the gold standard for lab-grown diamonds, providing an unbiased, comprehensive analysis of a diamond’s 4Cs.
An IGI report guarantees the stone's authenticity and precise quality metrics, ensuring you know exactly what you are buying and protecting your investment.
Why is IGI the Best Certification for Lab Diamonds?
While the GIA (Gemological Institute of America) is highly respected for mined diamonds, the IGI has positioned itself as the global leader in lab-grown diamond certification.
The IGI was one of the first major gemological labs to develop a comprehensive grading system specifically tailored for lab-grown stones.
They provide a detailed, standalone report that mirrors the rigor of their mined diamond reports.
Having an IGI certificate means your diamond has been evaluated by multiple expert gemologists in a highly controlled environment, ensuring that the color, clarity, cut, and carat weight are graded accurately and consistently.
How to Read an IGI Lab-Grown Diamond Certificate
Reading an IGI report can seem daunting, but it is actually quite straightforward once you know where to look.
The report is essentially a fingerprint for your diamond.
Report Number & Date: This is your unique identifier. You can use the report number to verify the certificate's authenticity directly on the IGI website.
The 4Cs: The report will explicitly list the Carat weight (to the hundredth), Color grade (from D to Z), Clarity grade (from Flawless to I3), and Cut grade (proportions and finish).
Identification: It will clearly state "Lab-Grown Diamond" and specify the growth method used (e.g., CVD or HPHT).
What Does the IGI Report Say About Fluorescence and Inclusions?
Beyond the 4Cs, the IGI report includes crucial details about the diamond's unique characteristics.
Fluorescence: This indicates how the diamond reacts to ultraviolet light. The report will grade it as None, Faint, Medium, Strong, or Very Strong.
Inclusions/Characteristics: The report includes a plotting diagram that maps out the exact location, size, and type of any internal inclusions or external blemishes.
Can I Trust the Accuracy of an IGI Grade?
Absolutely. The IGI operates independently from diamond miners, manufacturers, and retailers.
Their business model is based solely on grading, which means they have no financial incentive to inflate a diamond's grade.
Furthermore, IGI uses a consensus grading system.
A diamond is not graded by just one person; it is evaluated by multiple gemologists, and the final grade is an average of their assessments.
This rigorous process eliminates human error and bias, making the IGI report one of the most trusted documents in the gemological world.
Why Choose Bluevesper Lab Grown Diamond Jewellery?
We only source diamonds that come with reputable IGI certifications.
We believe that true luxury requires complete transparency.
When you purchase from us, you receive a fully certified diamond, giving you absolute peace of mind regarding your purchase's quality and authenticity.
Find your perfect, certified lab-grown piece at www.bluevesper.com.
IGI Certification Report Breakdown
SectionDescriptionReport Number & DateYour unique identifier to verify the certificate's authenticityThe 4CsCarat weight, Color grade, Clarity grade, and Cut gradeIdentification"Lab-Grown Diamond" and growth method usedFluorescenceHow the diamond reacts to ultraviolet lightInclusions/CharacteristicsPlotting diagram and types of inclusions
