Our Services Diamond Assortment -2, Star, Mella, Pointer and other kind of Diamond testing Diamond Jewellery Diamond Jewellery Testing Gemstones Gemstones Testing Gemstone Jewellery Gemstone Jewellery Testing Dia. & Gem. Jewellery Diamond & Gemstone Jewellery Testing About TGL Professional Gemologist Welcome to TGL Gem Testing Laboratory Some facts about us What People Say About