• Gemstone Identification Report
• Gemstone Treatment Identification Report
• Diamond Jewellery Grading Report
• Loose Diamond Grading Report
• Assortment of Loose Diamond Packed (Star- Melle)

Treatment Identification: Most of The Gemstones are Treated with Some methods to improve the quality and overall appearance of gemstones. These type of Improvements in quality makes the stones more valuable. WTGTL Laboratory identifies the Treatment done on gemstones to bring trust of customer and jewellers. Treatments:
1. HeatTreatment in Ruby and Sapphires
2. Glass filling in Ruby and Sapphires
3. Fracture filling in Diamond
4. Oil/resin filling in emerald

Diamond Grading : WTGTL Provides the services of diamond grading mentioning the colour, clarity, cut and Fluorescence in the reports following the GIA standards.
Diamond Jewellery Grading : The Jewellery studded with single or multiple diamonds is also graded by WTGTL . In this type of Grading services the overall quality of diamonds is mentioned and there are some limitations as the diamonds are studded so grading is done as mounting Limits.