How to Tell If Silver Is Real: Five Tests That Work

Most of the silver tests circulating online either prove nothing or prove the opposite of what people think. Here are the five that actually carry information, ranked by how much they tell you.

Start with what "real" means

Silver jewellery is almost never pure silver. Sterling is 92.5% silver and 7.5% other metal, usually copper, because pure silver is too soft to hold a setting. So the question is not "is this silver" but "is this the alloy it claims to be."

1. The stamp: 925, STERLING, 925/1000

Look inside the ring band, on the tongue of a clasp, on the back of a pendant, on the post of an earring. You are looking for 925, STERLING, STERL., or 925/1000.

What the stamp tells you: that the maker claims a specific alloy. What it does not tell you: that the claim is true. But a piece advertised as sterling with no mark anywhere is a genuine red flag, and the absence of a mark on a piece that should have one is more informative than the presence of one.

2. Colour and heft

Sterling has a soft white-grey tone with a slightly warm cast, never the hard blue-white of chrome or the yellow-white of cheap nickel plating.

Weight is a rough but real signal. Silver's density is about 10.5 g/cm³, against roughly 8.5 for brass, 8.9 for copper and 7.8 for steel. A silver ring of a given size should feel heavier than the same ring in brass or steel — and it should feel cold on the skin, then warm up quickly, because silver conducts heat better than any other metal used in jewellery. Plated brass is the hard case: it is close enough in density that your hand will not reliably tell.

3. The magnet, which proves almost nothing

Silver is not magnetic, so a magnet will not stick to real sterling. That sounds decisive. It is not, because brass is not magnetic either, and neither is copper, nickel silver, or most pot metal. A magnet only catches pieces with a steel or nickel-iron core.

So the magnet is a one-way test. If it sticks, the piece is definitely not sterling and you are done. If it does not stick, you have learned nothing at all. Treat it as a way to reject obvious junk, never as a way to confirm silver.

4. The ice cube, which is worse than useless

The claim is that silver melts an ice cube fast because of its conductivity, so fast melting proves silver. Two problems. Aluminium outperforms silver at this, and so does any thick piece of metal with a large contact area. And the test is extremely sensitive to the ice's size, the room temperature and how much of the piece touches it.

It is a party trick, not a test.

5. Tarnish — the signal people misread

This is the one worth internalising. Sterling silver tarnishes. It goes brown, then black, in the recesses and where your skin touches it. That is silver sulfide forming, and it is exactly what the real material does.

So a piece that darkens in a drawer is behaving like silver. A piece that stays bright white for years without care is more likely to be plated, stainless, or rhodium-finished over something else. Tarnish is a mild positive signal, not evidence of a fake — a reversal of what most buyers assume.

The tests that are pure internet folklore

Bleach will not turn fake silver black and will damage real silver, sometimes permanently. Vinegar does nothing diagnostic. Biting a piece tells you about your teeth. The "ring test" — flicking a coin — measures sound, not metal. Turning your finger green is a copper reaction and happens with copper alloys of every kind, including some plated goods.

And the most persistent myth of all: that a hallmark guarantees authenticity. A stamp is a claim, and claims are cheap. What a stamp does is give you something to check against a seller's description.

What a jeweller does that you cannot

Two things. An acid test puts a drop of nitric acid on a scratch and reads the colour of the reaction, which distinguishes silver from base metal with reasonable reliability. An XRF gun reads the elemental composition directly and gives you a percentage — the definitive answer.

What we make

We run our own factory in Guangxi, China, and have been making jewellery since 2008, so our sterling is stamped by the people who made it: 925 silver with a copper-based alloy, alongside 9K, 14K and 18K gold, set with GRA D colour VVS1 moissanite and IGI certified lab grown diamonds. Prices run $17 to $2,020 with a median around $98.

Shipping is free over $99, otherwise $5.99, and returns run 30 days on unworn pieces in original packaging. If you want a piece independently checked after it arrives, do it — an XRF reading costs less than lunch, and we would rather you verify the stamp than take our word for it.