Services

Each report issued by IGI-GTL, Delhi are concluded on the basis of thorough expert analysis of stone/jewellery submitted for testing, as per the scientific tests performed with Gemmological equipment.

IGI-GTL, Delhi provides three testing services:

For Gemstone identification, stone can be submitted in the form of Cut and polished, rough, mounted in jewellery, carving, and beads (Loose or in string). This category is further divided in two categories

Single Stone identification report is issued for single stone. Detected treatments / enhancements are routinely mentioned on the report irrespective to customers demand.

A4 size (Laminated Paper)
ID card size (PVC)

Packet lot identification report is issued for minimum 5 stones of same colour. Re-verification facility is not provided in this testing category. Detected treatments / enhancements are routinely mentioned on the report irrespec

A4 size (Laminated Paper)

Diamond jewellery grading report is issued for Diamonds mounted in jewellery (ear tops, bangles, pendant etc). Before issuing Diamond jewellery grading report, all diamonds are screened for the possibility of Synthetic Diamond. In case, Jewellery is found to have possibility of synthetic diamond, report is not issued for that jewellery and customer is asked to change the doubtful diamonds.

Although all diamonds are screened for the possibility of synthetic Diamond, but jewellery grading report is not identification report for the diamonds.

Jewellery studded with clarity enhanced diamonds are not graded and so no grading report is issued for the same, customer is asked to change the doubtful diamonds to get them graded.

A4 size (Laminated Paper)
ID card size (PVC)

Screening of colorless to near-colorless diamond shall be done and result is reported as per the analysis precisely by the instrument ‘Synthdetect’ and ‘Qcheck’ only.

Loose Diamonds 

ID Card Size (PVC)

Jewellery 

ID Card Size (PVC)