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  • Chow Tai Fook and GIA Bring Diamond Grading Reports to Consumers via Blockchain

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    Gem Carvings, Fantasy Cuts, and Master Recutting

    This year at the AGTA show, the number of booths selling skillfully carved, fantasy cut, or expertly recut items was noticeably higher than in past years.

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    Rare Catalog Chronicles Russia’s Regalia and Crown Jewels

    ロマノフ王朝の素晴らしい宝石とジュエリーコレクションは、王室の宝石を紹介する数少ない現存の目録のうちの1冊、『Russia's Treasure of Diamonds and Precious Stones(ダイヤモンドと貴石、ロシアの財宝)』で記録として残っています。

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    The Rise to Prominence of the Modern Diamond Cutting Industry in India

    This article reviews the rise of the modern diamond cutting industry in India and its impact on the world diamond trade.

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    Peridot as an Interplanetary Gemstone

    The stony-iron meteorites known as pallasites are famed for the areas of yellowish green olivines they contain.

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    Fall 2025 G&G Available Now

    An overview of the Fall 2025 Gems & Gemology content.

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    Melo Pearl Found in a Melo Shell

    A beautiful melo pearl is accidentally served up for lunch within its host gastropod.

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    Get Your New GIA Alumni Association Logo and Support Materials

    Alumni across the globe participate in chapter events and are out in full force to support the trade. There are a variety of ways you can join them.

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    Magnetite Inclusions in Star Peridot

    Magnetite inclusions in a four-rayed star peridot help to date its terrestrial age.

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    New Developments and Opportunities for GIA Alumni Association Chapters and Members

    A renewed structure, expanded education opportunities and other tools will help GIA Alumni Association chapters and members communicate GIA connection.

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    Stephen M. Avery: Celebrating Half a Century in Gem Cutting

    Approaching his 50th anniversary in the business, Stephen M. Avery (Lakewood, Colorado) reflected on his journey to becoming an award-winning lapidary artist, detailing his signature cuts and gem sets and offering advice to up-and-coming gemstone cutters.

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    Omphacite and Chromite: A "Bimineralic Inclusion" in Diamond

    Two inclusions appear joined in a diamond host.

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