Appraisal and certification
We offer free services:
Appraisal and identification of precious and semiprecious stones.
Appraisal, grading and identification of diamonds.
Identification of synthetic minerals, imitation and
detection of treatment – such as painting, heating, irradiation
and other techniques for improve the appearance of stone.
Tips when buying and selling gems.
If you have any questions feel free to send us pictures on
for subsequent identification and assessment, visit us at our office.
Certification of gemstones – 300 kn