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  1. Gem Spectrum

    GIT x OSMEP Launch Reality Show “THE CUT” to Drive Thai Jewelry Trends, Boosting Participant Sales by Over 156 Million Baht (opens in a new tab)

    The reality show "THE CUT" gives a new generation a platform to show creative jewelry design and craftsmanship, and turns it into real business for Thai entrepreneurs. Under the project "THE GEMS AND JEWELRY JOURNEYS IN THAILAND", the TV program builds brand awareness while Business Matching activities connect trading partners and open new markets. A survey of participating teams found sales rose from 78.65 million Baht to 235.16 million Baht, a growth of nearly 199%.

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  2. Gem Spectrum

    GIA Acquires Rare Collection of Gem and Mineral Inclusions (opens in a new tab)

    GIA has acquired an unsurpassed collection of 2,665 crystals, gems, and minerals, each exhibiting extraordinary inclusions composed of foreign minerals, as well as trapped fluids and structural characteristics. The unique collection was curated over 60 years by GIA Analytical Microscopist John Koivula, who is widely regarded as the world’s foremost expert in identifying and documenting gem inclusions. GIA will debut select pieces from the collection at the AGTA Tucson GemFair and the Tucson Gem…

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  3. Gem Spectrum

    Lionheart Jewelry: How Two Danish Sisters Built a New York House of Modern Heirlooms (opens in a new tab)

    As children in Denmark, Joy and Sarah Haugaard read Astrid Lindgren's The Brothers Lionheart together. They loved it so much that "Lionheart" became their private code word for how close they felt as sisters. Decades later, that word would sit above the door of a showroom in Manhattan's Diamond District.

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  4. Gem Spectrum

    The Allure of Classic Kashmir Sapphires – by Rui Galopim de Carvalho (opens in a new tab)

    Sapphire connoisseurs know that “Classic Kashmir” is a trade term that has been used in the markets to describe blue sapphires with visual and chemical characteristics consistent with those from the historical Kashmir occurrence in India, namely intense blue colour with a velvety appearance caused by profuse minute rutile inclusions. This designation is typically attributed…

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  5. Gem Spectrum

    Fluorite: A Collector’s Favourite – by Rui Galopim de Carvalho (opens in a new tab)

    Fluorite is a well-known mineral that occurs in many colours, often zoned or banded, and commonly as transparent specimens. Euhedral, meaning well-formed, crystals with cubic or octahedral habit are very popular among mineral collectors, occurring notably in Afghanistan, Brazil, China, Namibia, Pakistan, the UK, the USA, and Vietnam, just to name a few.

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  6. Gem Spectrum

    AIGS Inclusion of the Month (November 2026) – a Biotite Crystal Frozen in Time within Peridot (opens in a new tab)

    Hidden within this peridot from Mogok, Myanmar lies a tiny crystal of biotite, surrounded by a delicate strain (dislocation) halo. Captured during the gemstone's natural growth, this inclusion offers a rare glimpse into the geological environment in which the crystal formed deep within the Earth.

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  7. Gem Spectrum

    Chrysoprase: The Apple-Green Gem – by Rui Galopim de Carvalho (opens in a new tab)

    Chrysoprase ranks amongst the most popular polycrystalline varieties of quartz, namely those collectively known as chalcedony. Its name, from the Greek words for gold and green, is inspired by the apple-green colour of the gem material composed of very small quartz microcrystals in a nickel-rich silica matrix (e.g. willemseite), commonly associated with nickel mineral deposits…

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