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The purpose of a diamond certificate is to offer you the highest possible level of security and confidence. It confirms the diamond’s authenticity and describes its essential characteristics. Not just anyone can grade a diamond. It needs to be examined by expert gemologists under strict regulations and using specialized equipment’s. SDI-GJL host of in-house experts apply the most stringent grading conditions.

Diamond Dossier Report

The SDI-GJL Diamond Dossier Report includes an assessment of a diamond’s 4C’s – Color, Clarity, Cut and Carat weight along with diamond’s proportions. The certificate list all the vital data contained in the 4C’s, which represent the essence of your stone’s actual DNA. Hence the sought after Diamond Certificate is in effect the 5thC.
The SDI-GJL issues Diamond Dossier Reports for the individual loose, natural diamonds. SDI-GJL’s Diamond Dossier Reports are not issued to synthetics, simulants and to mounted diamonds. The report also includes the SDI-GJL’s hologram to prevent misrepresentation/ or duplicity of the report.

Diamond Assortment Report

The SDI-GJL Diamond Assortment Report offers the same grading information as the Diamond Dossier Report but without the diamond proportions.
The SDI-GJL issues Diamond Assortment Report to more than one natural diamonds.

SDI-GJL’s Diamond Assortment Report are not issued to synthetics, simulants and to mounted diamonds. The report also includes the SDI-GJL hologram to prevent misrepresentation / or duplicity of the report.



Solitaire Diamond Institute (SDI) is the first gems and jewellery institute started in Bengaluru in 2009, which caters to the art of providing quality education, technical expertise and creating career opportunities in the thriving Gems and Jewelry Industry.

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(080) 4150-9189




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