Gemstones certification labs worldwide

Gemstones grading labs uses standardrise methods and techniques to analyse the quality of gemstone.


Labs provide detail report describing gems quality parameters like color, clarity, cut, carat weight and some other useful information. There are 5 major well reputed labs across the world.

	GIA (Gemological Institute of America) The Gemological institute of America was established in 1931. It has been dedicated to ensuring the public trust in gems and jewellery by upholding the highest standards of integrity, Academics, science and professionalism. Many of the worlds finest diamonds have been graded by the GIA such as the Hope Diamond and the DeBeers Millennium Star. It is also the creator of the 4 C's of diamond value now adopted internationally. For more information certified diamonds from this laboratory please see the website for the Gemmological Institute of America.
	IGI (International Gemmological Institute) This is one of the world's largest independent institutes handling a large majority of the worlds certified diamonds. It is renowned for its quality services, extensive experience and know how. It was founded in 1975 and along with its sister laboratories, is one of the leading gemmological institutes worldwide. IGI issues more than reports on certified diamonds each year. For more information on certified diamonds from this laboratory please visit the IGI website.
	AGS (American Gemological Society) The American Gem Society was established in 1934 by a select group of independent jewellers and Robert M Shipley, founder of the prestigious school of gemology, the GIA. It has been dedicated to setting the highest possible standards of business ethics and professionalism in the jewellery industry. This laboratory is regarded as one of the most reputable in the entire world.
	HRD (Hoge Raad voor Diamant) Established in 1973 as the 'Hoge Raad voor Diamat' or 'Diamond High Council,' the organisation has become the major employer of the Antwerp diamond sector. The HRD acts as spokesperson of the sector towards authorities and third parties and offers a wide range of services including the issue of certified diamond reports for loose polished diamonds from the HRD Certificates Department. For more information on certified diamonds please visit them at theire website.
	EGL (European Gemological Laboratory) Established in 1973 in Antwerp, EGL now has laboratories worldwide and is an internationally recognised gemmological laboratory providing comprehensive diamond grading reports for the certified diamonds. For more information on certified diamonds from this laboratory you can visit their website.

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Cat's Eye - Lehsuniya (Ketu Stone)

Lehsuniya is gemstones for Ketu (Ketu is the rest of the body of Rahu). it bestows spiritual tendencies, asceticism, and nonattachment to worldly desires and ambitions. Ketu is also a half-planet that bestows wisdom, powers of discrimination, and gyana-spiritual knowledge, the knowledge of the self. It gives psychic abilities to its natives and makes them masters of the healing arts, natural healing, healing herbs, spices, foods, tantric healing, healing persons affected by evil spirits and ghosts.




Ketu's sign is Pisces as Rahu's is Virgo. The sign Pisces belongs the the guru, Jupiter, and Ketu also has dominion over it.


Ketu's body is supposed to be composed of a man's torso in its upper half and a fish body as its lower half.

General Characterstics of Lehsuniya (Cat's Eye)
Hindi Name	Lehsuniya
Planet	Ketu
Day	Thursday
Cosmic Color	Beyond Visible Color Spectrum (Infra Red)
Rashi(Sign)	Pisces

Procedure Of Wearing Cat's Eye (Lehsuniya): 

• Rahu and Ketu stones should be worn only in specific condtions by consulting with astrologer.
• Minimum weight of Lehsuniya should be 7 carets (1400 mg).
• Lehsuniya should be wear in Ring finger of working hand.
• Lehsuniya must touch your fingure skin.
• Dip the ring into gangajal or cow milk at least 10 min before wearing.
• Wear ring on Tuesday during the ascending moon cycle(Shukal paksha) near sunrise time.
• Recite "AUM KETAVE NAMAH" mantra while wearing the ring.
• Lehsuniya ring bottom should be cleaned regularly as dust deposited at the bottom, minimize the Lehsuniya effects.

Cat's Eye(Lehsuniya) originating countries:  Cat's Eye is found in Sri Lanka, Brazil and India on a very big scale. It is also found in South Africa, Russia, Burma and U.S.A. In India, it has been found in a very big way in Orissa. It is also found in Kerela, Andhra Pradesh, Karnataka, Tamil Nadu and Bihar.

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