WorkVenture gives you an inside look at what it's like to work at Thai Gem & Diamon Co., Ltd., office & team photos, reviews and more. This is the Thai Gem & Diamon Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Thai Gem & Diamon Co., Ltd..Apply to PSP SealingApply to Thai Swedish ChamberApply to orange car careApply to Taste Hunters