Sterling silver, stainless steel or brass?
Silver takes the best engraving but tarnishes. Steel never tarnishes but engraves lighter. Brass is the warmest and the only one that visibly changes colour. Which is right depends less on price than on whether anyone will actually polish it.
Here is what each metal does over a year of real wear, without the marketing layer.
At a glance
| 925 silver | Stainless steel | Solid brass | |
|---|---|---|---|
| What it is | 92.5% silver, 7.5% alloy | Steel with chromium | Copper-zinc alloy |
| After a year | Tarnishes to yellow-brown; polishes back bright | Looks the same as day one | Darkens to deep gold-brown |
| Upkeep | Polish every 1–2 months | None | Polish to brighten, or leave it dark |
| Engraving | Deepest, crispest | Shallower, reads lighter | Deep and warm |
| Softness | Soft — scratches and dents | Hard — resists scratching | Middle |
| On skin | Generally fine | Generally fine | Can leave faint green on some skin when new |
| Best for | Kept and worn with care | Everyday, no fuss | Warm antique look |
925 silver: the best mark, the most work
Sterling is 92.5% silver. It is the softest of the three, which is exactly why it takes the best portrait — the engraver can cut deeper and with more detail.
The trade-off is tarnish. Silver reacts with sulphur in the air and darkens, faster in humid places and near wool, rubber or swimming pools. It comes off with a cloth and thirty seconds. If nobody will do that, the piece will just look dull after a year.
Choose silver if the portrait detail matters most and you do not mind polishing. Skip it if the piece will be worn in water daily.
Stainless steel: nothing happens to it
Chromium in the steel forms an invisible oxide layer that stops rust. It does not tarnish, does not need polishing, and survives a shower, a garden and a dishwasher.
Two honest downsides. The metal is hard, so engraving is shallower — a fine portrait reads as a lighter line than the same portrait in silver. And it is not a precious metal, so it will never have the resale logic of silver. For a keepsake that is not really the point.
Choose steel if it will be worn every day, including in water, and you will never polish it.
Solid brass: the one that changes
Brass is copper and zinc. New, it is bright gold. Within months it darkens to a deep bronze-brown — most people who like brass like it for that. A quick polish brings it back if you would rather.
The thing nobody tells you: on some skin, new brass leaves a faint green mark. It is the copper reacting with sweat, it washes off, and it is not the metal staining. It fades as the surface patinas.
Choose brass if you want warmth and an antique look, and you like the idea of it changing.
Two things that are not true
"Never tarnishes." Silver tarnishes. Only steel and plated metals do not, and plating eventually wears through.
"Hypoallergenic." It is a marketing word, not a standard. Any metal can bother a particular person. If you have reacted to jewellery before, tell us and we will steer you to steel, which has the fewest surprises.
What we actually use, by piece
- 925 silver — photo pendant, portrait ring
- Stainless steel — hair keepsake keychain, collar hardware (titanium-steel buckle and D-ring)
- Solid brass — portrait tag, the ring on the leather plaque
- Leather — portrait plaque (Italian full-grain, vegetable tanned), bag holder, fur keychain
- Resin — figurine magnet, garden stone
The short version
- Want the sharpest portrait, will polish it → silver
- Wear it in the shower, never want to think about it → steel
- Like things that age and darken → brass
- No metal claims here that we cannot stand behind
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