A gemstone is more than colour, size or clarity.
It is an eternal record of the Earth’s story.
Headquartered on Mahesak Road in Bangkok's world-renowned gem trade district, IGM Gems Co., Ltd. was established to unite rigorous gemological integrity, authentic mine-to-market sourcing, and exceptional fine natural gemstones for collectors and wholesale trade clients worldwide.
IGM Gems
Bangkok Gem ExchangeSuite #3, 3rd FL Biya & Sons Building, 314 Mahesak Rd, Bangrak, Bangkok 10500, Thailand
Two Decades of Gemological Excellence
IGM Group of Companies is established in Thailand, Hong Kong, USA, and the UK from the year of the millennium. Through unwavering dedication and technical discernment, the firm has grown steadily into providing rare and exceptional collections of fine precious and semi-precious gemstones.
We are specialized in Sapphires, Spinels, Opals, Tourmaline, Morganite, and Blue Moonstone, selected individually for optical perfection, natural purity, and distinctive character.
Reasonable pricing, transparency, and lifelong customer trust are the foundational pillars of our operations. When you acquire from us, you gain access to direct wholesale bourse pricing, authenticated dual-laboratory reports, and personalized global memo services.
Why International Houses Rely On IGM Gems
Natural Origin Only
We deal exclusively in genuine geological gemstones. Every specimen is examined for natural crystallization and origin indicators.
Treatment Disclosure
Complete transparency on thermal status, clarity enhancement, or unheated certification is clearly stated on every stone certificate.
Direct Bourse Sourcing
Direct headquarters in Bangkok’s Mahesak trading district ensures firsthand access to newly arrived rough and cut parcels.
Global Memo & Shows
Active participation in major worldwide trade exhibitions (Bangkok QSNCC, Hong Kong, Tucson, Las Vegas) with fully insured courier transit.