+44 (0)207 491 4777
contact@gcslab.co.uk
30 New Bond Street, London W1S 2RN

GCS - Gemmological Certification Services

Gemmological Certification Services

GCS

Founder

Stéphane Cohen-Scali

Managing Director

Stéphanie Seror

Jewellery Appraiser

Camille Perrin

Gemmologist

Alexander Duffy

Junior Gemmologist

Tena Parkinson

Junior Gemmologist

Rosie Young

Scientific Council

Pr. Gérard Panczer