To all their business is precious stones. We would like to present NJ Gems, based in Bangkok, Thailand, a family affair of whose history goes 3 generations back in time, in the extraction of the raw material and processing of this up to the final product the sapphire.The area where the raw material is extracted, is Chantaburi, and is very well known for their sapphires.especially yellow and green ones. Gems comes in two groups, such as Sapphire and Semi-precious With this initiative, we hope to capture your interest in our wide range of gems, and it comes in two groups, such as Sapphire, yellow and green, and also as Semi-precious gemstone.Group 1: Contains yellow, green, blue, and pink Sapphire .Group 2: Contains Tourmalines, Tanzanite and Spessartite.The opportunities we offer, select the gemstone you need for your production of jewelry, or become a wholesaler of our gems, with a very close cooperation with NJ Gems, which will consult you and find the stones that you are specifically looking for, at reasonable prices.Common to all trade with gemstones by us, is they all come with a Certificate, attesting the authenticity of the gemstone in all terms. All tests of our gemstones are performed by a state-controlled Lab, which also is responsible for issuing the certificates.Would you like to know more?Please pay us a visit in Bangkok, where we have the following program. Hotel booking. Pick up at airport. Mini seminar. Visit factory. Lunch. Visit Gemological Laboratory.Yours Sincerely.Jirayut PitanonBangkok Office 302 Petchburi Road, Ratchathewee, Bangkok 10400.Mobile: 091 454 6445 - 081 683 2026.Website : njgems.com