Gemstone Identification & Certification

We at A1 Gems offer gemstone testing and gemstone certification service, we will test your gemstone with various gemstone testing equipments including dichroscope, polariscope, spectroscope and microscope to identify whether the gemstone you have purchased is real, synthetic or substitute.

We test all types of gemstone including ruby, pearl, coral, emearld, yellow sapphire, diamond, blue sapphire, hessonite garnet, cats eye and other semi precious gemstones.

Our gemstone laboratory contains the following equipments -

  • Microscope 20x-60x
  • Refractometer
  • Polariscope
  • Dichroscope
  • Spectroscope
  • Conoscope
  • Ruby Filter
  • Chelsea Filter
  • Jadeite Filter
  • Dark Field Loupe
  • Triplet Gem Loupe - 8x/10x/12x/15x
  • Quadruplet Gem Loupe - 20x
  • UV Magnifier
  • Gem Tweezers

Gemstone Bulk Testing

For jewellers who purchase gemstone in bulk, through gemstone lot or gemstone parcels, we provide in house testing of gemstones where we visit your store and test the gemstones at your store with our portable gemstone testing equipments.

We offer this services only on Saturday and Sunday, to book a gemologist who will visit your store and test your gemstones, please feel free to call at +91 90388 99098, please note that you should book a gemologist atleast 2 weeks in advance. At present, we offer this service in Kolkata area only

Gemstone Testing Rates

Here are our rates for Testing and Identifying Gemstone, please note that we offer this service in Kolkata only

Basic Gemstone Testing in Kolkata

Under basic gemstone testing, we will tell you whether the gemstone is natural or synthetic or substitute Gemstone, charges are different for different gemstone, please note that NO Certificates will be issued for Gemstone testing, you will get the report in 15 minutes.

Gemstone Testing Price
Ruby (Chunni, Manak) Rs. 1,500
Pearl (Moti, Mukta) Rs. 500
Red Coral (Moonga, Lal Moonga, Probal, Proval) Rs. 1,500
Emerald (Panna) Rs. 1,500
Yellow Sapphire (Pukhraj, Pokhraj) Rs. 1,500
Blue Sapphire (Neelam, Neela, Nila) Rs. 1,500
Hessonite Garnet (Gomedh) Rs. 1,100
Cats Eye (billore, ranikhet) Rs. 1,100

Advanced Gemstone Testing in Kolkata

Under advanced gemstone testing, we will tell you whether the gemstone is natural or synthetic or substitute Gemstone, charges are different for different gemstone, Certificates will be issued for Gemstone testing, you will get the report in 3-7 days.

Gemstone Testing Price
Ruby (Chunni, Manak) Rs. 3,500
Pearl (Moti, Mukta) Rs. 2,100
Red Coral (Moonga, Lal Moonga, Probal, Proval) Rs. 3,500
Emerald (Panna) Rs. 3,500
Yellow Sapphire (Pukhraj, Pokhraj) Rs. 3,500
Blue Sapphire (Neelam, Neela, Nila) Rs. 3,500
Hessonite Garnet (Gomedh) Rs. 3,100
Cats Eye (billore, ranikhet) Rs. 3,100

For more information, please call us at +91 94335 46997