Companies House: the only register of limited companies in the UK
identification and characterization of high-quality gemstones from newly discovered mines, as well as determination of origin for gems derived from classic mining regions.
The Gemological Institute of America, or GIA:
The World's Foremost authoritative nonprofit institute In Diamond Grading and Gem Identification
GRS Gemstone Reports
for individual loose gemstones, gemstone pairs, gemstone sets, as well as for mounted jewellery (rings, ear clips and necklaces etc.) providing the mounting allows for adequate testing. GRS gemstone reports include the following data based upon our judgment on the day of testing:
Report Number | Date | Object Description | Identification | Color Photo | Shape / Cut | Color | Comment | Origin Opinion | QR Code | Terms & Conditions (reverse of document)
& Precious Gemstones
Full 4Cs assessment with a plotted clarity diagram. For loose, D-to-Z colour diamonds only, weighing 0.15 carats or more.
A GIA certificate guarantees an impartial evaluation of IronLady diamonds. IronLady accompanies its collection of solitaire diamonds with a diamond certificate from GIA that fully describes and authenticates its quality.