Gemological Certification

Precious gemstones valuation in Hatton Garden is considered a geoscience and a branch of mineralogy. Some jewellers are academically trained gemologists and are qualified to identify and evaluate gems. Appraisals and lab reports are recognised worldwide by insurance companies, retailers, private jewellers and jewellery wholesalers. If you’re considering investing in a diamond, it is essential to have your gemstones valued to ensure you are getting what you paid for.

Gemology and the jewellery arts

The Gemological Institute of America (GIA), is a nonprofit institute dedicated to research and education in the field of gemology and the jewellery arts. It was founded in 1931 to protect all buyers and sellers of gemstones by setting and maintaining the standards used to evaluate the quality of gemstones. Greeks used gold and gems in jewellery since 1600 BC, around 1500 BC the techniques used for working gold were casting, twisting bars, and making wire. Zircon is considered the world’s oldest gemstone. Zircon is a gemstone with incredible brilliance and colour flashes of fire. It is considered to be one of the rarest gemstones but is a very common mineral in the earth and the oldest known gemstone on Earth.

The science of gemology

Gemology is the science of grading natural and artificial gemstone materials. It is considered a geoscience and related to mineralogy. Many of the jewellers in Hatton Garden are academically trained gemologists and are qualified to identify and evaluate the quality of gemstones. The education of gemology for jewellery and gemologists began around the nineteenth century, the first qualifications were instigated after the national association of goldsmiths of Great Britain (NAG) set up a gemological committee in 1908. The committee grew into the Gemological Association of Great Britain, also known as Gem-A. It is now an educational charity and accredited awarding body with gemology courses taught worldwide. Robert Shipley the first US graduate of Gem-A’s Diploma Course, in 1929, he later established both the Gemological Institute of America and the American Gem Society. There are now many professional schools and associations of gemmologists and certification programs around the world.

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