A new grandmother ordered a gold bracelet for her granddaughter's first birthday and brought in a chain that looked perfect on an adult wrist. Measured against the baby's wrist, it was almost twice the circumference. That gap is the reason baby bracelets are a specialist commission: sizing, materials, and clasps that are non-negotiable on an adult wrist become safety questions on a child's. A bracelet that looks charming on a photograph can be a strangulation or chipping hazard if the spec is wrong.
Size the wrist, not the age
Wrist growth is not linear. A six-month-old can have a wrist between 9 and 11 cm, and a two-year-old between 11 and 13 cm. We measure the child's wrist with a soft tape while the child is asleep or held, and we leave a one-finger gap for comfort. A baby bracelet should slide off over the hand when the hand is open but not slip off when the fist is closed. We build an extension chain of 2 cm so the bracelet grows with the child for about eighteen months. Read our notes on custom chain and bracelet design for the adult reference, then subtract roughly 40%.
Materials that pass safety tests
Sterling silver is the standard for baby pieces because it is softer than gold and less likely to chip a tooth. Avoid nickel-bearing alloys, which are restricted under the EU REACH nickel directive for prolonged skin contact. For gold pieces, 18k is safer than 9k because it is purer and less likely to release trace metals. The sterling silver fineness standard sets 925 as the minimum; we use 925 for baby pieces and stamp it clearly. We never use soft enamel or lead-based paint on a baby pendant, because children mouth jewellery within the first two years.
Clasp and breakaway design
A standard lobster clasp is too easy for a toddler to open, and a screw clasp is too hard for a parent to undo one-handed. We use a figure-of-eight safety clasp on baby bracelets, with a small extension chain that has a breakaway point at the end. If the bracelet catches on a cot or a pram, the extension releases rather than pulling the child. The clasp is sized so a parent can operate it with one hand but a baby cannot. We cover the same hardware questions in care for handmade jewellery, but for babies the breakaway point is checked on every order.
Engraving and future readability
A name engraved on a baby bracelet is the first thing a parent asks for. We keep the letter height at 0.8 mm minimum, because anything smaller fades when the bracelet is cleaned and the baby grows into a toddler. We engrave the child's name and the date of birth on the inside, and we keep the CAD on file so the same engraving can be moved to a larger bracelet when the child is five or six. Retail partners on our white-label programme can offer this as a growth service.
When to move up to the next size
Most babies outgrow the first bracelet around the eighteen-month mark. The sign is not the wrist measurement alone: it is when the bracelet sits flush against the skin with no room for a finger, or when the extension chain reaches its last link. We keep the CAD and the chain gauge on file, so the next size is a one-cast job rather than a redesign. Parents usually order the next size as a keepsake rather than a daily-wear piece, which is why we engrave the same name on the larger band.
We also advise parents against charms that dangle, because a dangling charm on a baby bracelet can catch on a cot rail. A flat nameplate or a small disc is the safest shape. Read our notes on custom chain and charm design for the adult reference, then choose the flattest version of whatever shape you pick.
FAQ
When is it safe for a baby to wear a bracelet?
Supervised wear from about six months. We never recommend unsupervised overnight wear in a cot, because the extension chain can catch. Most parents put the bracelet on for photographs and special occasions and remove it for sleep.
Gold or silver for a baby bracelet?
Both work. Sterling silver is softer and lighter; 18k gold is more durable for everyday use. We avoid 9k gold for baby pieces because the alloy mix carries more trace metals. The choice is usually driven by what the family already owns.
Can the bracelet be resized as the child grows?
Yes. The 2 cm extension chain covers the first eighteen months. After that we can add a link or move the clasp. We keep the CAD and the chain gauge on file so the resize matches the original.
Is the bracelet safe with a child's sensitive skin?
925 sterling silver and 18k gold are both low-allergy. We confirm the alloy in writing on the work order. If the child has a known nickel reaction, we suggest 18k yellow gold, which contains no nickel.
Ordering a first bracelet for a baby or toddler? Send the measured wrist circumference and the child's age. We will sketch a figure-of-eight clasp with a 2 cm extension, quote the 925 or 18k option, and keep the engraving CAD on file for the next size. Trade retailers: our baby-bracelet white-label pack includes the breakaway clasp spec and the measuring chart so your team can size correctly on the first visit.

