Store & Appointments

London,
9 Hatton Garden, EC1N 8AH

Diamond Fluorescence Explained And When It Affects Ring Value

Diamond Fluorescence

There is a specific moment at the consultation desks at 9 Hatton Garden when a buyer’s eyes travel down a grading report, past everything they have researched, and stop on a line nobody warned them about. Carat, they know. Colour and clarity they have read about for weeks. Cut, they have opinions on. Then, near […]

Diamond Certification Explained And How To Read A GIA Report

Diamond Certification

There is a small ritual that takes place every working day at the consultation desks of 9 Hatton Garden. A buyer is handed a folded piece of paper, slightly larger than a passport, with a hologram in one corner and a string of numbers running down its left edge. They glance at it, smile politely, […]

What GIA and IGI Diamond Grading Certificates Really Tell You

Diamond Grading

Pick up a diamond grading certificate in a Hatton Garden consultation room, and you are holding something considerably more specific than a piece of reassurance. You are holding a scientific assessment: a record of how one diamond compares to every other diamond ever graded, produced by one of the two laboratories most buyers will encounter. […]