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How to Buy Diamond Ring – GIA Diamond Certificates

A diamond certificate, or a Diamond Grading Report, tells you more detailed information about a diamond’s unique attributes. This information is pretty important when you’re buying a diamond ring. You can usually find on the website when you choose a diamond for your ring.

There are a couple different diamond certifications, including GIA, AGS, IGI, and EGL. In this post, I will tell you what you need to know about the GIA certification, especially for when you buy diamond rings.

GIA stands for Gemological Institute Of America. They inspect diamonds and issue a Diamond Grading Report that gives an unbiased report about the diamond’s quality.

GIA reports give detailed information about the diamond’s:

  • Weight in carats
  • Measurements – the length, width, and depth of the diamond.
  • Color – a scale from D-Z. D is the most colorless, and Z is the least colorless. The closer to D, the better.
  • Fluorescence – The diamond’s fluorescence color when exposed to UV light, if any.
  • Proportions
  • Depth percentage
  • Table percentage
  • Clarity – the clarity grade (look back at my 4 C’s article for more information)
  • Cut – the cut grade (again, look at the 4 C’s article for more info)
  • Polish – a grade of the polish of the diamond’s finish
  • Symmetry – a grade of the symmetry of the diamond’s finish

Here’s a sample GIA report:

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Sample GIA report (click for larger image)

So, when you buy diamond rings, make sure you look at the Diamond Grading Report. It will give you additional information about the diamond’s quality, which you will want to know. Of course, when you buy a diamond ring online, this is invaluable information because you can’t see the diamond in person.

I will go over the IGI certification next. Look out for it!

January 5, 2010 | Filed Under Uncategorized 

comments

2 Responses to “How to Buy Diamond Ring – GIA Diamond Certificates”

  1. Phil Golden on October 31st, 2010

    This is a great post. GIA is really the premier certification agency…the best and safest move you can make is to make sure the diamond has GIA certification. Others (like IGI) are good, but the standards of the GIA are the best and most accepted and used in the industry. If you get a GIA certified diamond, you know what you are getting,

    Thanks for the great post

  2. Diamond Lover on November 11th, 2010

    AGS too. AGS certificates are actually generally more trustworthy than GIA (not that the GIA certs are bad).

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