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 Post subject: Gubelin Gemstone Ratings
PostPosted: Thu Mar 25, 2021 11:28 am 
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What do you think of this. Is it reliable and valuable?

I have always held the Gubelin Labs in very high regard. However, I am not yet convinced by this processes.

https://www.gubelingemlab.com/en/gemlab/gemstone-rating


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 Post subject: Re: Gubelin Gemstone Ratings
PostPosted: Thu Mar 25, 2021 12:18 pm 
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The one take away I read, it is free with the lab report. Sounds like a system with a limited scope of the industry.

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 Post subject: Re: Gubelin Gemstone Ratings
PostPosted: Thu Mar 25, 2021 12:32 pm 
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Good marketing move. Setting their service apart from other labs.
Reassuring to those needing reassurance.

BUT, unless the criteria is made transparent and universally accessible to everyone in the trade, it would appear as if their determinations would be hard to confirm..... subjective at best.

So, in conclusion, I think the idea is a smart one albeit a bit cheesy.


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 Post subject: Re: Gubelin Gemstone Ratings
PostPosted: Tue Mar 30, 2021 6:58 am 
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Personally, I would agree it's mainly just marketing.

I understand you need to stand out in today's day and age but I'm not sure if it's exactly how I'd be looking at doing it. I could see it being useful if you had a lot of different stones go through their grading but as their points don't really relate to anything we use in valuation (at least that I'm aware of) it would only help the people try and describe stones really. I can, however, see it being a problem with some people trying to get a higher price because they have a 91 instead of an 83 or something similar but I agree that it would be entirely subjective as maybe that 83 has a very interesting / beautiful inclusion that someone would find far more desirable than the clean 91 so for valuation purposes it's going to be next to useless.

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