AnchorCert Independent Gemstone Certification

AnchorCert Independent Gemstone Certification from The Birmingham Assay Office

By: The Birmingham Assay Office  24/05/2011
Keywords: diamond, pearls, gems

 AnchorCert is the only UK based Diamond and Gemstone Certification, Grading and Testing Service which is backed by the professional expertise and experience of The Birmingham Assay Office.

AnchorCert Diamond and Gemstone Certification is provided by highly qualified Gemmologists and Diamond Graders from its Centre of Excellence in Birmingham. The Birmingham laboratory is the first UK diamond certification service to receive accreditation to ISO 17025 from UKAS. AnchorCert provides independent, expert reports and certification of diamonds and precious gemstones to the UK jewellery trade and its customers. AnchorCert services include:

  • Full Diamond Reports – with or without a facet diagram
  • Diamond Mini Reports for loose and mounted stones
  • Laser Inscription of report numbers and messages onto diamonds or jewellery pieces
  • Identification of High pressure, high temperature (HPHT) diamonds and synthetics
  • Testing and certification of coloured diamonds
  • Tanzanite grading
  • Gemstone identification and testing for treatments
  • Identification of country of origin
  • Pearl testing
  • Verification of small stones in watches

AnchorCert has a fully equipped diamond grading laboratory located within The Birmingham Assay Office building. The industry leading state-of-the-art gemmological instruments range from the tried and tested 10 x diamond magnification lens to the sophisticated Raman spectrometer. Continuing technological Investment keeps the laboratory at the forefront of diamond grading in the UK. All stones sent to AnchorCert are screened to ensure they are natural. The Laboratory is able to detect and identify synthetic diamonds and HPHT treated stones as well as enhancements ranging from laser drilling and fracture filled stones to colour treated diamonds. AnchorCert diamond graders are all highly qualified and motivated, and maintain their expertise by undertaking continual professional development through a range of recognised formal and practical training courses.

AnchorCert Reports

AnchorCert is an independent gemstone laboratory whose grading and testing examinations ascertain the characteristics of a diamond and above all, verifies if a stone is natural.  AnchorCert Certification provides reassurance of the authenticity and quality of a gemstone. An independent diamond certificate adds real value to your diamond. Whether you are a diamond dealer, a jewellery retailer, or a member of the public about to make a significant investment in a piece of jewellery, you can have complete confidence in AnchorCert certification.

Full Report A4 with facet diagram
The Full Diamond Report is a comprehensive report suitable for loose (unmounted) diamonds providing detailed information and expert opinion on all aspectsof the stone.  Coloured diamonds will also be certified in this format after testing and identification. Details included on The Full Report are weight, measurements, colour, clarity, symmetry, polish, fluorescence, girdle description, shape and cut grade for round brilliants. The report also outlines details of the facet angles and proportions of the diamond.  All Inclusions are plotted on the facet diagram thus uniquely identifying the stone. The Full Report provides where appropriate the proportion table for fancy cuts.

Full Report A5 without facet diagram
The short Report is only available for loose stones. The Short Report contains all the information and opinion provided in the Full Report, minus the detailed facet diagram. It has been developed as a midpoint between the Full Report and Mini Report. Both full and Short Report include the UKAS accreditation logo and also carry the unique anchor hologram to prevent forgery and copying.

Laboratory Grown Diamonds
Stones submitted to AnchorCert as laboratory grown diamonds can be certified verbally or on an A5 report. This includes the quality information as shown on a Full Diamond report, weight, shape, cut, colour, clarity, measurements, symmetry, polish, fluorescence, girdle and additional comments. The report also contains a digital image of the stone, the colour scale and measurements diagram


The Diamond Mini Report
The Mini Report is a highly popular and competitively priced report. It presents the diamond characteristics in a simple format and includes a digital image of the stone or piece of jewellery. A Mini Report is suitable for both loose, mounted and multi-set diamond jewellery. Important quality information included on the report are weight, shape, measurements, colour and clarity. This report is also UKAS accredited.

The Mini Report – Tanzanite
Beautiful and rare, Tanzanite is an increasingly popular gemstone. AnchorCert has developed a unique grading system and the report provides reassurance about the authenticity and quality of each stone submitted. This report can be carried out for loose, mounted and multi-set tanzanite jewellery. The Mini Report provides weight, shape, measurements, colour and clarity as well as a digital image of the stone or jewellery piece.

Gemstone Reports
AnchorCert offers expert services covering every type of coloured gem. The detail provided on a Gemstone Report depends on the customer requirements and the stone. Basic identification is available on all cut stones and can sometimes be carried out on mounted stones. Testing and identifying treatments is a service in high demand and is available on all gems where as country of origin is only possible for some gemstones. Testing for treatments and origin require the stone to be loose. Results are provided by either written AnchorCert reports or verbal consultations.

Diamond Laser Inscription
An additional service available from AnchorCert is the laser inscription of diamonds. Using highly sophisticated laser equipment special messages or unique identification numbers (such as report number) can be inscribed on the girdle without harming the diamond in any way. Inscriptions can be applied to both loose stones and to diamonds that are already set into jewellery as long as the area to be inscribed is easily accessible.

Keywords: diamond, Diamond Grading, EMERALD, gems, pearls, registered valuer, synthetic diamonds, Treated Diamonds

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