About Us
SGTL is one of the dedicated lab to the continuous improvement of the Gems & Jewellery Industry by providing the best possible services. SGTL was established in the interest to protect consumer & trader's trust in Gemstone's Industry, as in recent years the popularity of many Gemstones has reached to a next level due to its medicinal and other benefits thus the frauds, cheatings, treatments and modification with faces of Gemstones have also reached to new scales.