DHS is a premier gemological laboratory and institute providing accurate, reliable grading, testing, and education services to the gems and jewellery industry.
Ensure the authenticity of your DHS certificate by entering the report number and secure pin provided on your document.
15+ Years
Of Excellence
DHS Professional Gem Lab & Institute stands as a beacon of trust and accuracy in the gem and jewellery industry. Equipped with state-of-the-art technology and staffed by internationally certified gemologists.
We provide comprehensive analysis for diamonds, colored gemstones, and intricate jewellery pieces. Our commitment goes beyond certification; we aim to protect the trade and consumers by ensuring transparency and integrity in every evaluation.
Advanced instrumentation for exact results.
Unbiased and independent grading.
Comprehensive testing and grading services tailored to meet international standards.
Detailed analysis of the 4Cs (Color, Clarity, Cut, Carat) utilizing advanced microscopes and master stones for precise grading.
Learn moreIdentification and grading of colored stones, detecting treatments (heat, fracture filling) and determining origin when possible.
Learn moreComprehensive evaluation of mounted diamonds and color stones in jewellery, detailing gross weight and gemstone quality.
Learn moreOfficial certification of the purity of precious metals. We provide reliable diamond and metal hallmarking services.
Learn moreJoin the DHS Institute to gain hands-on experience and deep theoretical knowledge. Our courses are designed by industry veterans to turn enthusiasts into certified professionals ready to excel in the gem and jewellery trade.
Have questions about our services or institute? Our team is ready to assist you.
Ahmadabad india
+91 9494009932
info@dhsgemlab.com