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Tanzanite GIA Certified Reports - Does GIA Grade Tanzanite?

by Steve Moriarty April 27, 2023

Video Transcription

Hi, I'm Steve Moriarty from Moriarty's Gem Art, and today we're here to discuss GIA certs and tanzanite. I get a lot of questions whether we have GIA certs (certified Tanzanite) on our tanzanites and, no, generally we don't. A few reasons, the amount of time it takes, it can take four to six weeks to get a cert and I can sell the stone in that time is one of the issues. And probably more importantly, they don't give you a lot. If you look at a GIA cert, this is not of a tanzanite, but this is of a sapphire, but it's limited information and even more limited with tanzanite. They will tell you it's natural, they'll tell you it's species, well, I can go through here, they'll give you the cutting style, the transparency. It's transparent. The color, species will be zoisite and variety will be tanzanite. They don't give geographic origin. They'll probably say treatment and they'll probably say it's heated because they have difficulty identifying whether they're heated or not.

So it's really very limited information. And as far as ID-ing tanzanite, tanzanite is an easy gem to ID. This is the instrument that'll do it, a refractometer, this one under a hundred bucks. You can own one and do your own ID, which is less than the cost of doing a GIA cert. Now, there are good reasons to do a GIA cert and one would be if your thoughts are investing in tanzanite and reselling that product later. So that is something that will give you some legitimacy is having the GIA cert to go along with your stone when you go to sell it. Other than that, I recommend GI certs on many things, particularly stones that have a synthetic involved, which tanzanite there's no synthetic so the identification is much easier. So if you have interest in fine tanzanite, go to tanzanitejewelrydesigns.com. We have a wide selection of really fine gems.

They won't include GIA certs, but that is something you as an individual can do after you receive your stone. So if you enjoyed this video, like and subscribe, and if you have comments, leave the comments below.

Steve Moriarty
Steve Moriarty

Steve Moriarty has been in the jewelry industry for over 30 years. Steve is not only a jeweler, but a gem cutter and designer. He has traveled the world in search of gemstone rough and has owned a retail jewelry store for 20 years located in Crown Point, Indiana.

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