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Use the most secure service you can get, pack the piece so nothing rattles, and make the outside of the box completely anonymous. For high-value pieces, USPS Registered Mail is the gold standard in the US, with every handoff logged under lock. Declare the full value and require a signature. LetterAgent labels are Canada-only Xpresspost; the service advice below is general.
In the United States, Registered Mail is the most secure service the Postal Service offers. Registered items travel under lock and key, every employee who touches the piece signs for it, and the chain of custody is recorded at each handoff. The tradeoff is speed: all that logging makes Registered Mail slower than ordinary services, and it is not available for every mail class or destination. For a genuinely valuable piece, the slower transit is the point.
In Canada, there is no direct equivalent inside standard parcel services, so shippers typically combine an expedited tracked service with declared value coverage and a signature requirement. Declared value is a cap on what the carrier will pay out, so set it at the full replacement value, not the sale price, and keep the appraisal or receipt that proves that number. Some carriers exclude or limit jewelry under their standard coverage, which is worth checking before the box leaves your hands.
Jewelry breaks in transit in predictable ways: chains tangle and snap, clasps open, stones loosen when a ring rattles against a hard case, and soft gold bends under pressure. The fix is boring and effective. Put the piece in its own small box or pouch, wrap it so it cannot move, pad the inside of that container, and then place it inside a second, larger box with at least two inches of cushioning on every side. Necklaces do best threaded through a straw or sealed in individual plastic bags so links cannot knot. Rings should sit in a ring slot or a foam insert, never loose in a pouch where a stone can chip.
One rule matters more than any packing material: nothing about the shipment should rattle. Shake the finished box. If you hear movement, open it and add padding. A rattling box tells a handler the contents are loose, and it tells anyone with bad intentions that the contents are interesting.
| Piece value | Service approach | Packing notes |
|---|---|---|
| Low (costume, fashion) | Any tracked parcel service with basic coverage | Double-box; keep the outside anonymous |
| Mid (a few hundred) | Expedited tracked service, declared value, signature | Double-box plus tamper-evident tape on the inner box |
| High (four figures and up) | USPS Registered Mail in the US; expedited plus maximum declared value in Canada | Double-box, no branding anywhere, consider splitting very valuable lots into separate shipments |
Completely boring. No jeweler branding, no "fragile: jewelry" labels, no gift wrap visible through anything, and no return address that names a jewelry business. Use a plain corrugated box, not the branded presentation box, and address it in a neutral hand or printed label. This is the cheapest security measure in shipping and the one most people skip. A box that screams its contents is a box that invites a second look at every sorting point.
Tamper-evident tape on the seams is a quiet upgrade: it does not stop anyone, but it makes interference visible, which matters if you ever need to show the carrier the box arrived opened. Avoid over-taping to the point where the box looks unusual; the goal is ordinary.
Photograph the piece before packing, photograph the packed box, and keep the appraisal, receipt, or invoice that establishes value. If the shipment is insured or has declared value, keep the label receipt showing the declared amount. These are the first things any claims adjuster asks for, and "it was a necklace worth a lot" is not documentation. Keep everything until well after the recipient confirms arrival, because damage claims can surface days later when the piece is first worn.
Ready to ship it? Get a shipping label with LetterAgent: describe it to your AI assistant, approve the exact quoted price, and get your label.
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