Gulf Institute of Gemology is the GCC’s most trusted name in gemstones identification, diamond grading and colored gemstones grading, with its objectivity and its expertise as hallmarks.
GIG Gemological Laboratory is innovative, modern and high technological. Thanks to the expertise and highly qualified teams, GIG Gemological Laboratory tests every gemstone to determine the identity, whether natural, synthetic or artificial, and disclose any kind of treatments.
GIG gemologists provide the grading of Natural D-to-Z Diamonds, Fancy Color Diamonds, Lab-Grown Diamonds, Rubies, Sapphires, Emeralds and all the Colored Gemstones, loose or mounted.
GIG Reports are considered an authoritative resource for authenticity and quality assessment worldwide.
Extended Reports and Compact Reports
Extended Report and Compact Report include full 4Cs assessment and the analysis to determine if the sample is natural, laboratory-grown and/or treated.
Diamond Compact Report: for natural D-to-Z Color Scale Diamonds only, weighing 0.10 – 1.99 carats.
Diamond Extended Report: for natural D-to-Z Color Scale Diamonds only, weighing from 0.70 carats.
Fancy Color Diamonds Extended Report: for natural Fancy Color Scale Diamonds only, weighing from 0.10 carats.
Lab-Grown Diamond Extended Report: for loose laboratory-grown diamonds, in D-toZ Color Scale and Colored Diamonds, weighing from 0.10 carats.
All the diamonds are laser inscribed on the girdle. GIG will not issue Reports for diamonds with non-permanent treatments and for glass, plastic and other low-quality simulants. Origin only upon customer request.
For prices and detailed services, please refer to Laboratory Services Fee.
For further information or to take an appointment please contact us at email@example.com or call at +96891736811
Extended Report and Compact Report include the analysis to determine if the sample is natural, laboratory-grown or artificial, and list detectable treatments.
The Extended or Compact Report are available depending on the species submitted.
Colored Stone Compact Report: for polished, rough, loose gemstones.
Colored Stone Extended Report: for polished, rough, loose gemstones.
Colored Stone Extended Origin Report: with geographic and geological origin. For polished, rough, loose natural Ruby, Sapphire, Fancy Sapphires, Emerald, Paraiba Tourmaline, Red Spinel and Alexandrite.
GIG performs thorough objective and expert analysis of jewelry items, determining the identification and the grading of the gemstones.
Since the mounting can be an obstacle to the analysis, GIG gemologists express an estimation, considering a range of potential grades.
Jewelry Reports provide all gemstones and mounting specifics, as well as photos showing details of craftsmanship.
GIG Gemological Laboratory provides sealing service for Diamonds and Colored Gemstones for security and protection purposes.
Once the seal is opened, a chemically generated pattern is released, decisively showing the seal has been broken.
GIG Gemological Laboratory proposes two kind of seals, Classic Seal Report and Seal Report Limited Ed:
For further information please refer at: