Professional Gemologist Appraiser

Platinum ring Question: I have a platinum ring and on the inside it says PLAT with a star after it.

I was trying to figure out how pure the platinum is that was used in it because I am thinking about selling it and although at one time I had a certificate for it from the original jeweler I have moved and cannot seem to find it.

Gem & Jewelry Pocket Guide: A Traveler’s Guide to Buying Diamonds, Colored Gems, Pearls, Gold and Platinum Jewelry (Gem & Jewelry Pocket Guide)

Price: $6.75

I think the purest would say 950 in the marking but I can’t seem to find out what mine is I don’t have alot of time to go have it appraised on my days off I am usually pretty busy so I was just wondering if anyone here might be able to help me.

I bought in in Philadelphia and I live in California now and I had a certificate the jeweler gave me with it but it is lost in the move somehow.

Any help would be appreciated.

Thank you and have a great day!

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What Different Hallmarks Mean Question: I just purchased two rings from eBay.

American Silversmiths and Their Marks: The Definitive (1948) Edition (1948 Edition)

Price: $9.44

They were both marked 14kt in the inside of the shank.

All of my other rings are marked 14k.

The seller states that they are genuine gold. There are no other markings in the shank showing a manufacturer.

Do other countries use this type of stamp?

Do I need to find someone to test them?

Thank you, Diana

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