Usually, platinum rings are stamped with either PLAT, PLATINUM, .950 or .900. The stamping that you're referring to normally refers to sterling silver. Unless there is a new strange alloy of platinum that I am unaware of, then the stamp you're looking at is on a piece of sterling silver jewelry.
If you're still unsure, just go to your local jeweler and ask them to test it for you. I found a good tutorial on precious metals, though, that might be helpful. You can read it by clicking on the link underneath this posting. It describes each type of precious metal in depth so you can get a better understanding of each that might allow you to determine what your ring is.
It means that the Silver was mined in Nevada
PLAT engraved on the inside of the ring indicates that the ring is made of Platinum.
A diamond can be mounted on a 925 FAS ring. They typically are mounted however on gold or platinum rings.
Size 8, maker is NV, 92.5% silver (Sterling silver)
The 925 means that the ring is sterling silver (92.5% silver with 7.5% copper). Not sure about the DQZ2 though. It might be a manufacturer's mark, but I'm not certain.
i would say platinum
Well, honey, that "HMT 925" on the inside of a ring is basically telling you that the ring is made of sterling silver. "HMT" stands for "925" or "92.5% pure silver, mixed with a bit of copper for durability. So, in a nutshell, it's just a fancy way of saying "Hey, I'm silver, baby!"
Look for markings such as "925" or "Sterling" stamped on the ring, indicating it is made from sterling silver which is 92.5% pure silver. You can also use a silver testing kit or visit a jeweler who can authenticate the metal composition for you.
"CI" stands for "Chrome Indicator," indicating that the metal is likely sterling silver. "925" signifies that the metal is 92.5% pure silver, which is the standard for sterling silver. This engraving confirms that the ring is made of sterling silver.
The stamp "925" on a ring indicates that the metal is sterling silver, meaning it contains 92.5% silver and 7.5% other metals, typically copper, to enhance durability. "PT" stands for platinum, indicating that the ring is made of platinum, which is a precious metal known for its durability and resistance to tarnish. Each stamp signifies the quality and composition of the metal used in the ring.
N925CF typically indicates that the ring is made of sterling silver, with "925" representing the silver purity of 92.5%. The "CF" may be a manufacturer's mark or designer's initials.
Stamped inside a ring, the JS initials and the 925 mean the initials of the manufacturer and the karat of the ring. A ring that says 925 means that the ring has 925 karats.