How to Check Gold Purity in Dubai | Complete Buyer’s Guide
How to Check Gold Purity in Dubai: In Dubai, check gold purity by first looking for the mandatory hallmark stamp — a small engraved mark showing the fineness number (999 for 24K, 916 for 22K, 875 for 21K, or 750 for 18K) issued under UAE Federal Law No. 11 and enforced by the Dubai Central Laboratories Department (DCLD).
The hallmark alone confirms legal compliance, but for real certainty — especially on investment-grade purchases — request a lab-issued purity certificate, or have the piece independently tested via XRF (X-ray fluorescence) at a certified gold testing facility. Simple DIY checks (magnet, water density, acid) can flag obvious fakes but should never be your only verification on a significant purchase.
Dubai’s reputation as the “City of Gold” rests on one of the most tightly regulated gold markets in the world — but that regulation only protects you if you know how to use it. Here’s exactly how gold purity gets verified in Dubai, and what to check before you hand over payment.
How Dubai Regulates Gold Purity
Gold hallmarking in Dubai isn’t optional — it’s law. Under UAE Federal Law No. 11, every piece of gold, silver, or platinum jewelry sold across the Emirates must carry a hallmark indicating its type, legal standard of fineness, and purity level.
At the emirate level, the Dubai Central Laboratories Department (DCLD), part of Dubai Municipality, is the primary hallmarking and certification authority, conducting both announced and unannounced inspections of jewelry retailers to confirm declared purity matches what’s actually being sold.
Retailers can also pursue Bareeq Certification, a voluntary DCL quality mark awarded for compliance with purity, pricing transparency, and ethical trading standards — stores are typically inspected at least three times a year to maintain it.
This active, ongoing enforcement — rather than a one-time certification — is a big part of why Dubai’s gold market carries the international trust it does.
The Four Gold Fineness Standards Recognized in Dubai
| Hallmark | Karat | Purity |
|---|---|---|
| 999 | 24K | 99.9% pure |
| 916 | 22K | 91.6% pure |
| 875 | 21K | 87.5% pure |
| 750 | 18K | 75% pure |
Every legitimate hallmark stamp should show one of these four fineness numbers. If a piece is marked with a number outside this range, or the hallmark looks inconsistent with the item’s stated karat, treat that as an immediate red flag.

How to Check Gold Purity in Dubai:
Step 1: Check the Hallmark
The hallmark is your first and most important checkpoint, and should always be the first thing you check before buying. Look on the inside of rings, the clasp of necklaces, or the back of pendants — hallmarks are small, so use a magnifying glass or your phone’s camera zoom if needed. A genuine hallmark typically includes:
- The fineness number (999, 916, 875, or 750)
- A manufacturer’s or jeweler’s mark
- Sometimes an official DCL certification mark
A hallmark that’s faded, uneven, poorly stamped, or simply missing is reason enough to ask more questions before buying — and reputable Dubai jewelers will never hesitate to explain what’s stamped on a piece.
Step 2: Request Documentation
Ask for an invoice or purchase receipt that clearly states the gold’s weight, purity, and price — and for any significant purchase, request a certificate of authenticity or lab-issued purity certificate specifically.
For investment-grade bars and bullion, this documentation matters even more than the hallmark itself, since it’s what protects you on resale and gives an independent lab’s findings, not just the seller’s stamp.
Step 3: Simple DIY Checks (Use as a First Pass, Not Final Proof)
These basic tests can help flag obvious fakes, but none of them should be your only verification on a meaningful purchase:
- Magnet test — gold isn’t magnetic. Bring a strong magnet close to the item; if it sticks or visibly reacts, it likely isn’t pure gold. Note: some fake alloys are deliberately non-magnetic specifically to pass this test, so a negative result alone doesn’t prove authenticity.
- Water/density test — pure gold is dense and sinks immediately. Weigh the item, then measure the water displacement to estimate volume; dividing weight by volume gives you an approximate density to compare against gold’s known value.
- Ceramic scratch test — drag the item across an unglazed ceramic plate. A gold-colored streak suggests genuine gold; a black mark suggests it isn’t.
- Acid test — jewelers use nitric acid on a small scratch to check the reaction; genuine gold stays largely unchanged, while fake gold typically reacts and changes color. This test is best left to a professional, given it involves a corrosive chemical.
Step 4: Professional Testing for Real Certainty
For anything beyond a casual purchase, professional verification is the only way to be genuinely certain:
- Electronic testers — measure conductivity to estimate karat level; quick, non-destructive, and commonly available at Dubai gold retailers.
- XRF (X-ray fluorescence) testing — the industry-standard method for both pre-sale hallmarking and post-market compliance checks in Dubai, offering fast, accurate, non-destructive purity verification.
- Independent gold testing laboratories — several facilities in Dubai offer testing directly to the public, separate from the retailer selling you the piece. For a significant purchase, an independent test — not one run by the seller — is the strongest verification available.
Where to Buy to Minimize Risk in the First Place
The safest approach isn’t just knowing how to test gold — it’s buying from a source where verification is already built into the transaction:
- Buy from Dubai’s Gold Souk or established, government-recognized retailers rather than informal sellers.
- Confirm the seller can produce DCL-compliant hallmarking on every piece, without hesitation.
- Be skeptical of prices significantly below the going market rate — genuine gold in a regulated market like Dubai doesn’t come with steep, unexplained discounts.
- For bullion and investment bars specifically, buy from dealers who provide independent assay certificates as standard, not as an optional add-on.
Verifying Gold Sourced from Outside Dubai
If you’re buying gold bars sourced from Africa for delivery to or through Dubai, the same principle applies at the sourcing end: insist on independent assay certification before the gold ever leaves its country of origin, not just a hallmark applied later.
This is exactly the standard Buy Gold Bars Africa Ltd holds every shipment to — every bar is independently assayed and certified before export, so the purity verification isn’t something you’re left to sort out after the fact in Dubai.

FAQs – How to Check Gold Purity in Dubai
What’s the simplest way to check gold purity in Dubai? Look for the hallmark stamp showing the fineness number (999, 916, 875, or 750) and a jeweler’s mark — this is the fastest, most reliable first check, backed by mandatory UAE law.
Do all Dubai gold shops provide certificates of authenticity? Reputable, government-compliant retailers will provide one on request, especially for higher-value pieces — if a seller hesitates or refuses, treat that as a warning sign.
Can fake gold pass the magnet test? Yes — some counterfeit alloys are specifically formulated to be non-magnetic, precisely to defeat this test. Always combine it with another verification method rather than relying on it alone.
Is 18K gold considered “real” gold in Dubai? Yes. 18K (750 fineness) is 75% pure gold alloyed with other metals for strength, and is a fully legitimate, commonly sold purity level under UAE hallmarking standards.
Where can I get gold professionally tested in Dubai? Several independent gold testing laboratories in Dubai offer public testing services using XRF or other professional methods, separate from the retailer selling the piece — worth using for any high-value purchase.
Buy Certified Gold with Confidence
Dubai’s regulatory system gives buyers real protection — but only if you actually check the hallmark, ask for documentation, and use professional testing on anything significant.
Combine the legal hallmark with independent verification, and you’re buying with the same confidence that makes Dubai’s gold market trusted worldwide.
If you’re sourcing gold bars for delivery to Dubai or anywhere else, Buy Gold Bars Africa Ltd supplies certified 24K and 22K gold bars, 1 oz bars, and gold ingots, every one independently assayed and documented before it ships — so the purity question is already answered before your gold ever arrives. See our guides on buying gold in Dubai and how to buy gold bars from Africa safely for more, or contact our team for a live, certified quote.

