WorkVenture gives you an inside look at what it's like to work at Blue Star Gems (thailand) Co., Ltd., office & team photos, reviews and more. This is the Blue Star Gems (thailand) Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Blue Star Gems (thailand) Co., Ltd..Apply to Grand HyattApply to Three Months RetailApply to Siam GemsApply to Buzzebees