UNDER-12Y JEWELRY

Not only can you — it is one of the most thoughtful decisions you can make.

CINCO jewels are produced in Portugal in 925 sterling silver, certified by the INCM, with full traceability of every component — including the solder used to join each part. No nickel. No cadmium. No lead. No hidden alloys. What goes into your child's jewel is documented, verified and legally controlled at every stage of production.

But beyond safety, there is something more here. CINCO is a brand that mothers wear, that daughters admire, and that creates a shared language between them. Giving a CINCO jewel to a child is not just a gift — it is an introduction. The moment when an appreciation for quality, for objects with meaning, for pieces that are kept rather than discarded, begins to take shape.

In an age when everything is disposable, there is something profoundly different about growing up knowing how to recognise the value of something real.

Further reading: Kern, Boron & Weidenhamer, 2021 — Cadmium in Discount Jewelry PubMed — Cadmium toxicity and health effects

There is no single answer — it depends on the child and the piece. As a general guide:

For very young children, simple stud earrings are the safest starting point — no moving parts, no chains, no small elements that can come loose. For older children, delicate necklaces and bracelets become appropriate as they develop the awareness to care for them.

What matters most is not the age — it is the material. A piece certified by the INCM in 925 sterling silver is safe for skin contact at any age. The same cannot be said for uncertified costume jewelry, which studies have found to contain cadmium and nickel at levels that are particularly dangerous for children, whose bodies absorb heavy metals more readily than adults.

Further reading: Kern, Boron & Weidenhamer, 2021 — Cadmium in Discount Jewelry PubMed — Heavy metal absorption in children

The right first jewel is one that is safe, simple and meaningful.

Safe means certified — produced under regulation that controls the composition of every component, not just the surface finish. At CINCO, every piece is certified by the INCM and fully traceable. No nickel, no cadmium, no hidden alloys.

Simple means appropriate for the child's age and daily life — a piece they can wear, care for and grow into. Our stud earrings and delicate necklaces are natural starting points.

Meaningful means chosen with intention. A first jewel is not just an accessory — it is the beginning of a relationship with quality and craft. Choose something you would be proud to see her wearing in twenty years.

If you need help choosing, contact us at customer@cinco-store.com and we will guide you to the right piece for her age, style and the occasion.

The care routine for a child's jewel is exactly the same as for any CINCO piece — and that is precisely the point.

Teaching a child to remove her jewel before bathing, to store it in its own pouch, to wipe it gently with a soft cloth — these are small gestures that build an early understanding that beautiful things deserve attention. That looking after something is also a way of loving it.

Start simple: one rule at a time. First, always put the jewel in the pouch before bed. Then, always take it off before swimming. These habits become second nature quickly — and they last a lifetime.

It is also a moment of connection. A shared ritual between mother and daughter, built around something that has meaning and is made to last.

Further reading: CINCO — How to preserve your jewelry

The evidence says it can be — and the risk is greater for children than for adults.

A 2021 study published in Science of the Total Environment analyzed 80 items from a discount jewelry store and found cadmium in 40% of them, with 25% exceeding established safety thresholds. Cadmium is a toxic heavy metal classified as a human carcinogen. Children are particularly vulnerable because their bodies absorb heavy metals more readily than adults, and because they are more likely to handle or mouth jewellery items.

Nickel presents a parallel risk. Clinical research has identified that nickel sensitivity can cause not only skin reactions but also respiratory, gastrointestinal and neurological symptoms — a condition known as Systemic Nickel Allergy Syndrome. Sensitisation in childhood can create a lifelong allergy.

The common thread in these findings is the absence of regulation and certification. Products sold through fast-fashion platforms and discount retailers are not subject to the mandatory pre-market verification that certified Portuguese jewellery undergoes. The price difference reflects a real difference in what is inside.

Further reading: Kern, Boron & Weidenhamer, 2021 — Cadmium in Discount Jewelry Ricciardi et al., 2014 — Systemic Nickel Allergy Syndrome Le Monde / AFP, 2024 — Toxic Substances in Shein and Temu Products

Because costume jewellery is made to be worn once. A CINCO jewel is made to be kept forever.

The difference begins with what is inside. Costume jewelry has no mandatory certification, no independent verification of its composition, and no legal guarantee of what metals it contains. Studies have found cadmium in 40% of discount jewelry items tested — a substance with no safe level of exposure, particularly for children.

A CINCO jewel is the opposite of that. Every piece is produced in Portugal in 925 sterling silver, certified by the INCM, with full traceability from raw material to finished product. No nickel. No cadmium. No lead. No surprises.

Beyond safety, there is the question of value — not monetary, but real. A piece of costume jewelry will discolor, break and be forgotten. A CINCO jewel will still be beautiful in ten, twenty, thirty years. It can be passed on. It can carry memory.

That is not a small thing to give a child.

Further reading: Kern, Boron & Weidenhamer, 2021 — Cadmium in Discount Jewelry Ricciardi et al., 2014 — Systemic Nickel Allergy Syndrome Spreckelsen et al., 2025 — Nickel in Jewelry by Geographic Origin

Because it started with a moment every mother knows.

The day my daughter and her friends got their ears pierced, everything changed. Suddenly jewellery was no longer just something I designed and sold — it was something going directly onto my child's skin. And I started asking the questions that I realised most people never ask: what is actually in these pieces? Where do they come from? Who verified them?

As a jeweler, I already knew the answers. But becoming a mother made me understand why they matter to everyone — not just to those of us who work in the industry.

This is why CINCO exists the way it does. Not just as a jewelry brand, but as a commitment to a different idea of what jewelry should be. Pieces that are safe from the first wearing. Pieces that are honest about what they are made of. Pieces that are built to last long enough to become someone else's story.

We believe that the appreciation for real jewelry — for quality, for craft, for objects that carry meaning — is built early. And that the best thing we can give a child, alongside the jewel itself, is the understanding that some things are worth choosing carefully. Worth caring for. Worth keeping.

Because a jewel that passes from mother to daughter is not just an accessory. It is proof that something was made well enough, and loved well enough, to survive.

That is what we are here to make.