925 sterling silver means silver with 92.5% purity, internationally recognized standard for fine silver. Thai silver: a kind of product that is special in Thai market, with the same standard content as 925 sterling silver.

What does NF sterling mean?

“NF” stamped VINTAGE RING This ring does need to be cleaned the NF means That stamp indicates that it is made with true real sterling silver. The “NF” is a hallmark, indicating the sponsor. 92.5% pure silver ,means that the remaining 7.5 percent does not contain Nickle which a lot of people have severe reactions too.

What does Thailand mean on a ring?

Edwardian Vintage Ring with Thailand Stamp? Part of the reason that you can assume that a ring stamped with Thailand is probably new is because Thailand was formerly known as the Kingdom of Siam. The Kingdom of Siam did not change its name to Thailand until 1939 – which is a few decades after the Edwardian era.

How can you tell if Thai gold is real?

Even fake gold usually feels and looks like real gold. The most reliable method to check the gold is by scraping the jewellery on a whetstone. Gold shops will have these specialized whetstones and should do it in front of you. It is not the same kind of whetstone as used to sharpen knives.

What does the 925 stamp on a diamond ring mean?

It relates to the purity of the metal in the ring. 925 tells you two things: The metal is silver and the metal is an alloy of 92.5% silver and 7.5% other things – typically copper – this alloy is called “Sterling Silver”. If the ring is gold coloured then it is probably that it is a gold-plated silver ring – silver with a very thin coating of gold.

Can a ring be stamped with Thailand stamp?

Hello. Yes, while many vintage rings were made all over the world (there were even Art Deco rings made in Czechoslovakia) – I think that it is safe to assume a ring stamped with Thailand is probably new or at the most quite modern.

Where does the NF mark on jewelry come from?

The NF mark is not a reference to the alloy contents as it is the registered trademark for the importer. In addition there may be a THAI or THAILAND stamp for the items manufactured in Thailand. Date of the registration

Is there a 925 gold ring on the market?

While there exist many gorgeous pieces of 925 gold rings and jewelry out there, and with the rising popularity of gold vermeil jewelry, it’s important to be aware of the actual value of the jewelry.