Geneva & Lake Geneva :
Swiss Discretion+33 1 48 87 23 37
Sell Jewelry Geneva
Geneva Gemological Advisory

Accredited Gemological Expertise in Geneva

Independent gemological examination of natural diamonds, colored gemstones, and high jewelry in Geneva. GIA, HRD, and SSEF laboratory standards.

Our Geneva laboratory combines scientific rigor with deep connoisseurship of global gemstone markets. Using binocular microscopes, UV fluorescence testing, refractometry, and spectroscopic analysis, our specialists verify authenticity, natural origin, and treatments.

Request Private Valuation

Up to 6 files, 8 MB each. Accepted formats: Photos (JPEG, PNG, HEIC), PDF reports, MP4 videos.

Guaranteed response within 24 hours. Absolute Swiss banking confidentiality, free advisory with zero obligation.

Direct Telephone

Monday to Saturday, 9:30 AM to 6:30 PM CET:

+33 1 48 87 23 37

Private Salons

VIP Private Salons — Rue du Rhône & Place de la Fusterie, 1204 Geneva

By private appointment. Discreet home and bank vault visits available across Switzerland.

Settlement Currency

Immediate bank wire transfer in Swiss Francs (CHF), Euros (EUR), or US Dollars (USD).

CallFree Appraisal