Authenticity & Provenance
The Bolek Bond
Every piece comes with a Bolek Bond: your personal certificate of authenticity. It proves your piece is solid 14K gold, handmade in our atelier, and uniquely yours.
BOLEK
Certificate of Authenticity
14K · 585
SOLID GOLD
SOLID GOLD
58514K
Nesrin & Mustafa
HANDMADE · ISTANBUL
What is it?
Your authentication & guarantee card
The Bolek Bond is a numbered card that comes with every piece. It states exactly what your jewellery is — solid 14K gold with the 585 hallmark — and is signed by hand by the makers.
It also confirms your 2-year guarantee on stone setting and craftsmanship, and keeps the story of your piece — made by the hand of a craftswoman in our Istanbul atelier.
Unique number
Every certificate carries its own number, tied to your piece.
Signed by hand
Each card is personally signed by the makers.
585 hallmark
Proof of solid 14K gold — no plating, no filler.
2 year guarantee
Your guarantee on stone setting and craft, registered.
What your Bond does
One card, three promises
Comes with your piece
Every Bolek piece arrives with its own Bond card to keep.
Proves it’s genuine
States the metal, the 585 hallmark and your unique number.
Guarantees it
Confirms your 2-year guarantee on stone setting and craft. Keep the card safe.
A Bolek piece is made to be passed down. The Bolek Bond makes sure the story — who made it, of what, for whom — is never lost.
14K Solid Gold585 hallmark
Unique NumberPer piece
2 Year GuaranteeRegistered
Women-RunMade in Istanbul
AuthenticationSigned & stamped