Gem Testing lab in India

Sapphire gemstone testing

blue sapphire gemstone testing

Yellow Sapphire

Sapphires, are simply crystallized alumina (Al2O3) and in their pure form are devoid of color. Yellow sapphire connected with Jupiter mostly found in Srilanka with Hardness of 9 on the Moh’s scale. Read More

Blue sapphire

Blue sapphire is a natural occurring gemstone of the corundum family with Mohs scale 9 basically. Blue Sapphire ranges in hue from pale to deep azure or dark royal blue, to indigo. Read More

Emerald

Emerald is the Green color stone with a hardness of 7.5 – 8 Mohs scale. found mainly in Columbia, Brazil, North Carolina USA. Emerald is the birthstone of month May. Read More

Coral

Coral symbolizes life and blood force energy. Coral is a product of the sea and hardness is less than 4 on the Moh’s scale. Corals are found in India, Italy, Australia, Sri Lanka, Japan, Malaysia, South, Africa, Algeria and U.S.A. Read More

Ruby

The name Ruby comes from Latin ‘Rubrum’, which means ‘Red’. Ruby, which is corundum, is simply crystallized alumina (Al2O3) and in pure form it is devoid of color and hardness is 9 on the Moh’s scale. Read More

Hessonite

Its name comes from Greek ‘esson’ meaning ‘inferior’, since this gemstone is supposed to be less valuable. Hessonite or Gomedh is a Gem of the Garnet family with hardness of 7.25 on the Moh’s Scale and Refractive Index is 1.74. Read More

About GemLab^TM

Incorporated in the year 2000, GemLab.co.in has attained pinnacle status in gemstone testing and its certification field over the years. However, the success of GemLab.co.in is not a mere coincidence, but it has achieved pioneer status in the gemstone certification industry with its rigorous hard work, continuous research, and synergy with highly skilled professionals and industry insiders.

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Natural Certified Gems by GemLab^Tm

You can buy Natural certified gemstones at best price . Check the collection of gems along with all the details of precious stones. There are around 20k products listed online.

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4C's

Gemstones grading is based on the 4 Cs: Cut, Color, Clarity, and Carat. With colorless diamonds, every one of these specifications equally matters. When it comes to color diamonds, and colored gemstones for that matter, color takes precedence.

Gemstone's Properties

A gemstone is a piece of mineral crystal which, in cut and polished form, is used to make jewelry or other adornments.Most gemstones are hard, but some soft minerals are used in jewelry because of their luster or other physical properties that have aesthetic value.

Gemstone's Mining

Gemstone Mining is very complex and tedious process that requires huge input of valuable resources such as time, workforce, equipments and knowledge etc. There are different methods for recovering the gemstone from the lap of Mother Nature.

Gemstone's Cutting

Gemstones are a gift of nature and are magical in themselves. However, their true potential is realised by man’s touch – the cutting which releases the internal fire of the stone and creates the mesmerizing scintillation which makes a gem so enticing to the human eye.