Stock photography, photos: Gemstones - Thailand Stock photos of Emerald ring on a customer‚s hand in a precious gems shop in Chiang Mai, Thailand. Thailand is known for its rubies, emeralds and gold merchants. Photograph: © Robert Burch Click for a larger image and more information Keywords associated with this stock photo: Thailand, southeast asia, chiang mai, shop, shops, emerald, emeralds, precious stones, gems, gem, gemstones, shopping