Our services

DIAMOND SERVICES

Diamond grading and testing reports for "colorless" (D-Z) diamonds. These include testing for treatments (e.g. HPHT treatment) and synthetics detection.
Diamond grading and testing reports for parcels of "colorless" (D-Z) melee diamonds, for sizes from 0.7 to 3.7 mm. These include testing for synthetics detection. If requested treatment testing can also be offered.
Diamond grading and testing reports for fancy color diamonds, including origin of color determination.
Diamond testing reports for parcels of melee size fancy color diamonds, for sizes from 0.7 to 3.7 mm; these include origin of color determination and separation of natural and synthetic diamonds.

Extended diamond analytical services for high-level products for the watch industry.
Large diamonds re-cutting evaluation.

Gemstone reports, for gem identification and treatment determination.
For emeralds, jadeite and others: identification of the substance used for clarity enhancement/impregnation.
Country of origin determination for sapphire, ruby, emerald, alexandrite, etc.
Testing of melee size colored stones for identification and/or treatments.

Pearl reports for nacreous and non-nacreous pearls. Single nacreous pearls are always tested by 3D High Resolution radiography.
When possible the pearl reports include species determination, thus the determination of which animal has produced the pearl.