Gem material: Natural Burmese Jadeite (A)
Necklace length: 62cm
Mr. Lam (MSc)
Professional Qualifications (Qualifications):
British Master of Business Administration (Msc, Brunel Univerity)
Jewelry Appraiser (NGTC)
Diamond appraiser (NGTC)
Jade appraiser (NGTC)
Colored gemstone grading appraiser (AIGS)
Jade ABC grading:
A-grade jade: jade that has not been chemically treated and has a natural color structure.
B-grade jade: jade that has been cleaned with strong acid, soaked in strong acid and bleached and injected with glue.
C-grade jadeite: jadeite that has been artificially dyed, dyed with organic dyes or inorganic dyes.
B+C jadeite: Jadeite that has been cleaned with strong acid, injected with glue and artificially dyed at the same time.
