Guides

Hatton Garden jewellery: what buying there should mean
Hatton Garden is London’s jewellery quarter. For Amada it is a working address — we make and finish here, hallmark in London, and sell with trade stock plus retail. Buying... Read more...
Ready-to-ship vs made-to-order at Amada
Ready-to-ship means finished stock in sized specs. Made-to-order means Hatton Garden builds it — most Amada MTO finishes in about 2–3 weeks, then London hallmarking and dispatch. Choose RTS for... Read more...
Ring size guide: measure once, order with confidence
Ring size is a measurement problem, not a guess from a photo. Measure end of day, account for knuckle vs base, confirm against our size chart before production. Wrong size... Read more...
Gold vs platinum engagement rings: how to choose
Platinum and gold both work for daily-wear engagement rings. They differ in colour, density, how scratches read, and typical cost. Choose for the life the ring will live, then confirm... Read more...
Diamond certification: GIA and IGI reports explained
A diamond certificate is a lab report on one stone — usually the 4Cs and identity — when that stone is sold as certified. GIA and IGI issue those reports.... Read more...
Oval cut diamonds: shape, proportions, settings
An oval cut diamond is an elongated brilliant that often looks larger face-up than a round of the same carat. Judge length-to-width, bow-tie, and cut on the report and video... Read more...
Diamond 4Cs explained: cut, colour, clarity, carat
The diamond 4Cs are cut, colour, clarity and carat. Cut drives light. Colour and clarity are graded scales. Carat is weight — not face-up size alone. Read them together on... Read more...
Engagement ring buying guide: order of decisions
Buy an engagement ring in this order: budget, shape, diamond via the 4Cs, metal for daily wear, size, then ready-to-ship or made-to-order. We finish in Hatton Garden, London hallmark the... Read more...
Lab-grown vs natural diamonds: what actually differs
Lab-grown diamonds are real diamonds. Same crystal. Different origin. Usually more carat for the money. Natural if origin is non-negotiable. Either way: cut first, read the listing, and ignore anyone... Read more...
London hallmarks: what they mean on Amada jewellery
A London hallmark is an Assay Office mark on precious metal. It confirms fineness and who submitted the piece — not diamond quality. We finish in Hatton Garden and hallmark... Read more...