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CERTIFICATES
CERTIFICATE FROM JONATAN DROR
All jewellery is accompanied by an individual certificate documenting the specifications and materials of the piece.
The certificate includes information such as the precious metal, diamond and gemstone weight, quality, and other relevant specifications for the individual piece.
Each certificate accompanies the jewellery as documentation of the materials and qualities used in its creation.
GEMOLOGICAL INSTITUTE OF AMERICA (GIA)
The Gemological Institute of America (GIA) is one of the world’s leading and most respected gemological institutions. As an independent nonprofit organization, GIA has helped define international standards for diamond evaluation and grading since 1931.
GIA developed the internationally recognized 4Cs: Cut, Color, Clarity and Carat Weight. Each diamond is evaluated according to rigorous gemological standards and documented in an individual GIA report detailing its characteristics and quality.
Colorless diamonds from 0.30 carat and above at Jonatan Dror are accompanied by an individual GIA certificate.
Identification Number
GIA-certified diamonds may be laser-inscribed with their unique GIA report number. The inscription creates a direct link between the diamond and its certificate and allows the information to be verified in GIA’s official database.
Verify your certificate here
GEMRESEARCH SWISSLAB (GRS)
GRS GemResearch Swisslab is one of the world’s leading and most respected gemological laboratories specializing in colored gemstones. The Swiss laboratory was founded in 1996 and is internationally recognized for its expertise in rubies, sapphires and emeralds.
GRS carries out independent gemological examinations focusing on a gemstone’s natural origin, geographic origin, color and any treatments. Each gemstone is assessed using advanced analytical methods and documented in an individual GRS report containing information about its characteristics.
Selected gemstones at Jonatan Dror are accompanied by an individual GRS certificate documenting the gemstone’s gemological properties.
Identification Number
Each GRS certificate is assigned a unique report number linking the information in the report to the examined gemstone. The number can be used to verify the registered report information in GRS’ official database.
Verify your certificate here
ARGYLE PINK DIAMONDS
Pink diamonds from the Argyle mine are accompanied by their original Argyle certificate.
The certificate documents the diamond’s origin and individual specifications as well as its official Argyle color classification. It accompanies each diamond as documentation of its connection to the historic Argyle mine in Western Australia.
Identification Number
Argyle-certified diamonds are assigned a unique identification number linking the diamond to its original documentation. The number appears on the Argyle certificate and can be used to identify the individual diamond and its registered specifications.
Verify your certificate here
C. DUNAIGRE (CD)
C. Dunaigre Consulting is an internationally recognized Swiss gemological laboratory specializing in colored gemstones. The company was founded in 2008 by gemologist Christian Dunaigre and is known for its expertise in the examination and identification of rubies, sapphires and emeralds.
C. Dunaigre carries out independent gemological examinations focusing on a gemstone’s natural origin, geographic origin, color and any treatments. The examinations are performed using advanced analytical methods and documented in individual reports containing information about the gemstone’s characteristics and quality.
Selected gemstones at Jonatan Dror are accompanied by an individual certificate from C. Dunaigre documenting the gemstone’s gemological properties.
Identification Number
Each C. Dunaigre certificate is assigned a unique report number linking the information in the report to the examined gemstone. The report number can be used when requesting verification from the laboratory.
Verify your certificate here
