Certified Jewelry
Proof of Craftsmanship, Backed by Transparency.


When you choose MADAJ, you’re not just buying jewelry — you’re investing in certified quality. Every piece we craft is backed by a MADAJ Certificate of Authenticity, verifying the exact materials, specifications, and origins of your custom piercing.
It’s your personal assurance that what you’re wearing is the real thing — no vague claims, no hidden metals, no synthetic stones.
- Certificate includes details on gold purity, gemstone type, and design specs
- Each gem is 100% natural, never lab-grown or synthetic
- Every piece is made in-house and hallmarked for authenticity
What the Certificate Covers
Each MADAJ Certificate of Authenticity includes:

GOLD TYPE AND COLOR
E.g. 18k Rose Gold, Nickel-Free

GEMSTONE TYPE & QUALITY
E.g. Natural Diamond, Natural Emerald

CUSTOM SPECIFICATIONS
E.g. post length, hoop diameter, motif size

UNIQUE ORDER NUMBER
For traceability
This certificate is included with every order and serves as
both proof of value and peace of mind.
Why Certification Matters
Luxury jewelry should come with transparency, not guesswork. That’s why we don’t just talk about quality — we document it.
Unlike many brands that outsource production or use generic materials, MADAJ certifies:
- The purity and safety of every gold alloy
- The custom specifications of your exact piece
- That your gemstones are selected by experts and matched to your design
You’ll know exactly what you’re wearing — and exactly why it’s worth it.

Ethically Sourced,
Expertly Crafted
Behind every certified piece is a short supply chain and a long-standing commitment to integrity. From sourcing gemstones through our parent company SMD International to crafting and finishing each design in-house, we maintain full control from start to finish.
- No outsourcing
- No synthetic substitutes
- No inflated pricing
Just real materials, real craftsmanship, and real certification — always.
FAQ
MADAJ Certification
No — it’s issued by MADAJ, based on our internal standards and sourcing expertise. As diamantaires and gem specialists, we stand behind every stone and alloy we use.
We source only 100% natural gemstones, never lab-grown or treated. Each gem is selected and verified by experts with deep industry knowledge.
Yes. While it’s not a lab-issued grading report, it is a detailed authenticity certificate that includes all necessary specs for valuation.
Yes. Every MADAJ order includes a printed Certificate of Authenticity — custom-matched to your exact piece.
Real Jewelry. Certified Luxury.
At MADAJ, we believe proof builds trust. And when it comes to what you wear through your skin, you deserve to know everything — down to the last millimeter and carat.