100ct Round Lab Diamond Graduated Necklace – Platinum

Designed in Hatton Garden and set by hand in our own workshop, then finished and hallmarked by the Assay Office London before it ships — British made, not imported jewellery with a London stamp added later.

We cut out the wholesale chain. You buy from the workshop that makes it, so the money goes on the diamond and the setting rather than a succession of markups. That is how we put a better stone in front of you for the same budget.

Yes — 30 days from delivery, unworn and undamaged, in its original packaging. Email sales@amadadiamonds.com and we will confirm the return, then send it back insured and signed-for or drop it into our Hatton Garden showroom. Made-to-order, engraved and already-resized pieces cannot be returned.

Every order ships fully insured and needs a signature. If anything happens between Hatton Garden and your door, it is our problem, not yours. Certified pieces arrive with their report, which most insurers accept for cover; ask us if you need a separate written valuation.

Ready-to-ship pieces dispatch within 1–3 working days. Made-to-order is finished in Hatton Garden in about 2–3 weeks.

Yes. Book a short appointment at Hatton Garden — bring a photo, a budget, or nothing at all. No pressure to buy on the day.

Each diamond is selected to the same colour and clarity grade, so the necklace catches the light evenly rather than in patches. Independent GIA or IGI reports are listed on the necklaces that carry them.

Tennis necklaces and lines across carat weights and metals, held in the workshop. Close but not quite is a conversation, not a dead end.

Yes — tell us the length you want when you order and we will make it to that measurement. If you are unsure, message us and we will talk you through where each length sits.