It is now widely accepted that in the production of fine jewelry trust and transparency are vital to proper performance in the profession.
In this regard Henri J. Sillam is by no means different, but attempts to go further to insure that all attempts are made to give the customer confidence in their purchase.

As part of the service specialized seminars are offered in small groups for customers who would like to better familiarize themselves with the subject. Diamonds, gems and precious stones, existing jewels and the preparation of new pieces are clearly explained.

The valuation process is also covered here and when necessary as with special gemstones, antique pieces, the determination of rare metals, technical specifications and valuations – consultation with a variety of consultants is available.

Recommendations for expert valuations and certifications can also be provided. Gem certifications from the GIA, IGI, EGL, HRD, GLA and GSL institutes can be arranged in-house. (Please seek specific information from our offices)