What should I know before ordering diamond jewelry from overseas?
925 sterling silver jewellery, set with lab grown diamonds and made in our own Shenzhen workshop.

Talk · Buying & value
A buyer finds a silver lab-diamond ring from a seller in another country at a good price. They want to know what could go wrong with duties, shipping, returns and quality, and how to check the seller before paying.
The price you see may not be the price you pay. Before ordering from overseas, find out who pays duties and taxes, what the delivery terms are, how returns work across a border, whether the stone has a report you can verify, and how your payment method protects you. Ask the seller to confirm each point in writing.
1. Duties, taxes and who pays them
Uncertain Import duties, sales tax or VAT, and handling fees depend on the destination country, the value of the parcel and the type of goods, and the rules change. Check your own customs authority's guidance for jewelry before you order.
Fact Under the ICC's Incoterms 2020 rules, the trade term in a contract sets who arranges and pays for transport, who handles customs clearance and where risk passes from seller to buyer. Many online shops use their own wording instead, so ask whether the price is "delivered duty paid" (the seller pays duties) or "delivered at place" (you pay duties on arrival).
2. Marking and origin
Fact US customs rules require imported articles to be marked with their country of origin, unless an exception applies (19 CFR Part 134). Origin is about where the item was made, not where it was shipped from.
3. Returns and refunds
Our advice Ask who pays return shipping, how long you have, whether the item needs to be unworn and uninsured losses on the way back. A return across a border can be slow and costly, so the real cost of a return may be higher than for a domestic purchase. Keep proof of postage.
4. The stone and its paperwork
- Check that the listing says "laboratory-grown" next to "diamond" and gives the weight.
- Ask for the report number and look it up on the laboratory's own website, not through a link from the seller.
- Ask for photos or a video of the actual item, not stock images.
- Check that the metal fineness is stated and stamped.
5. The seller
- Look for a real business address, contact details and a track record outside the seller's own site.
- Search the company name with words like "reviews" and "complaint".
- Ask a specific question and see how they answer.
6. Payment and delivery
- Pay by a method that offers dispute rights, such as a credit card or a recognised payment service, and avoid bank transfers to unknown sellers.
- Ask for tracking, insurance and a signature on delivery for high-value parcels.
- Inspect the parcel when it arrives, photograph it unopened and keep the packaging.
It depends A lower price abroad can still be a good deal after duties and shipping, but only if you calculate the total and are comfortable with the return process.
Related reading: Shipping Policy — 925 Silver Jewelry and Lab Grown Diamond Orders · Return Policy — 925 Silver Jewelry Orders · Contact ZKZ Jewelry — 925 Silver & Lab Grown Diamond Manufacturing
Sources
- ICC, Incoterms 2020 rules
- 19 CFR Part 134, U.S. Customs country-of-origin marking
- IGI, Verify your report
- GIA, How can I be sure my laboratory-grown diamond report is authentic?
Fact = stated by the cited source. Our advice = editorial recommendation. Uncertain / it depends = limits of what can be said in general.
Other perspectives from the ZKZ team
Ask for a total price to your door, written down, including shipping, insurance and any duties the seller will collect. A seller who cannot say is leaving that risk with you.
Check that the product page uses the right words for a lab-grown stone and the metal. If the listing is vague on origin or fineness, treat that as a warning for the rest of the transaction.
For a first purchase from a new seller abroad, start with a smaller item. If delivery, quality and service are good, you can order larger pieces next time.
Have a different question? Ask our team, or browse more answers in Talk.
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