+44 (0)207 491 4777
contact@gcslab.co.uk
30 New Bond Street, London W1S 2RN
GCS - Gemmological Certification Services
Gemmological Certification Services
CONTACT US
Toggle menu
Home
Services
Diamonds
Gemstones
Pearls
Other Gemstones
Fees
Report Check
About Us
Our team
Gemmological Reports Standards
Gallery
Science for
EXCELLENCE
Proving your
Diamond's authenticity
STATE-of-the-art equipment
SEE THE
INVISIBLE
HIGH QUALITY
SERVICES PROVIDED
RELIABILITY FOR YOUR
PEARLs identification
Gallery
Inclusions