From LSWiki

Gem Lore

Class: Scholarly Skills
Attribute: Intellect
Pedagogy: Intellectual

The knowledge of precious stones, their appearances and properties.

Development Information: The gem lore skill was created by Chaos;
the source code was last updated Thu May 24 09:23:42 2007.

Trainers

Gurbodax: Colanin (~172 skill cap)
Banir Lok :  Strenka (~33 skill cap)
Losthaven: Miss Amelia (~11 skill cap)
Yathryn: Miss Chalosia (~25 skill cap)
Leah's Hill: Elfane (~302 skill cap)
Association required:
Guild required: 
Zetesai: Gwale
Quest required:
Kolond: Gwalin