999 means 99.9% pure metal. On yellow jewelry it is 24 karat gold. On white jewelry it is fine silver.
999, 24K, 24KT, 999.9, FINE SILVER
24K gold jewelry is common in China and Southeast Asia. Fine silver shows up in coins, bars and some handmade jewelry.
| 24K gold (999) | Melt value |
|---|---|
| 2 gram piece | $275.26 |
| 5 gram piece | $688.15 |
| 10 gram piece | $1,376.30 |
Weigh your piece in grams on a kitchen or jewelry scale. Set stones add weight, so the real figure is a little lower. A buyer pays less than melt to cover refining and profit. Melt value calculator
Stones, a known maker or antique design can be worth far more than the metal. Photograph your piece and GemstoneAI identifies it and estimates what it is worth. Your first scan is free.
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A stamp is a claim, not proof. Fake jewelry is sometimes stamped with real-looking marks. In the US, a purity mark is supposed to sit next to a maker's trademark, so a purity stamp on its own deserves a closer look.
More checks: how to tell if gold is real and the 5-question ring checker.
Either. 999 only means 99.9% pure. The color tells you which: yellow means 24K gold, white means fine silver.
For gold, yes. 999 and 24K both describe gold that is 99.9% pure.
No. Stamps are easy to fake. Back a stamp up with a magnet, a look at worn edges, or a jeweler's test before you rely on it.