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The value of a precious stone is determined by its gemological makeup, natural properties, rarity and finished quality. At Liali we believe that peace of mind is the single most important aspect when one is investing in diamonds.
An international certificate of quality gives your diamond a fixed value across all borders. In the event that you want to sell your stone, the quality is guaranteed. It will never be open to debate under any circumstance. Thus at Liali all diamonds are certified by the International Gemological Institute in Antwerp, which is one of the most reputed and trusted names in the industry.
Diamonds and gemstones of similar appearance can have important differences in value. Even experts need powerful analytic tools to detect synthetics, treatments and enhancement processes. An IGI Certificate clearly discloses the details of any item it accompanies, providing confidence for both buyer and seller.
With more locations around the globe than any other gem testing laboratory, IGI is the world's most trusted name for the expert and impartial grading of diamonds, gemstones and jewellery. Gemstones should only change hands when accompanied by a certificate attesting to quality. Regardless of location or marketplace, an authentic IGI Laboratory Report is the common language of trust and confidence in the gemological world, and should be considered an essential part of any transaction. We take this responsibility very seriously.
A stamp from IGI represents the all-important 5th C that no one should be without: Confidence of certification. As the world's largest independent gem certification and appraisal institute for diamonds, coloured gemstones and jewellery, IGI is a standard of excellence for industry professionals and consumers around the globe.
IGI is the largest organization of its kind, with offices in Antwerp, New York, Hong Kong, Mumbai, Bangkok, Tokyo, Dubai, Tel Aviv, Cavalese, Toronto, Los Angeles, Kolkata, New Delhi, Thrissur, Surat, Chennai and Shanghai. The IGI School of Gemology operates from Antwerp, Mumbai, Dubai and Cavalese, offering a variety of courses designed for professionals and consumer enthusiasts alike.
1975 - 1985
1986 - 1999
2000 - 2010