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.

DIAMOND INTEGRATED SERVICES

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

COLORED STONE SERVICES

  • 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 SERVICES

  • 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.

SPECIAL

  • Jewelry certification with specially designed certificates.
  • Training courses or advanced courses for professionals.
  • Emerald fillers identification, cleaning, re-oiling.