Meet Christien Lyle Oldbury FGA
A dedicated gemmologist with diplomas from Gem-A and the GIA, bringing expert insight to every stone.
Fellow of Gemmological Association of Great Britain (FGA) (Foundation and Diploma in Gemmology)
Studied full time in London, gained Diploma January 2007, student number 800147
Search the FGA and DGA register to confirm my membership.
Gemological Institute of America (GIA) Diamonds Graduate
Studied full time in Bangkok, gained Diploma 2010, student number 0010226657
Search the GIA alumni membership website to confirm my qualification
Click images below to see qualification letter and diplomas.





What I do..
I am pleased to provide the following professional services:
Diamond and Gemstone Sourcing
I can source and supply high quality independent gemmological laboratory (gem lab) certified natural gemstones and bespoke jewellery for personal or investment purposes.
Typical gem labs I use for certification are the GIA and the IGI. I abide by the Gem Code, the ethical code of conduct of the Gemmological Association of Great Britain (Gem-A) Fellowship (FGA) Members Code of Practice section 7.
Failure to adhere to this code is grounds for loss of Fellowship of Gem-A.
Gemmological Consultancy
I can provide personal consultation services online (or offline if feasable) regarding owned gemstones or jewellery values, or purchasing guidance for personal or investment purposes. I abide by the Gem Code, the ethical code of conduct of the Gemmological Association of Great Britain (Gem-A) Fellowship (FGA) Members Code of Practice section 7.
Failure to adhere to this code is grounds for loss of Fellowship of Gem-A
