• Star of Asia sapphire

    Star Sapphire – Natural, Cabochon, Blue, 330 ct

    Star sapphires feature some of the most spectacular and well-known examples of asterism, like the 330-ct "Star of Asia," on display at the Smithsonian Museum of Natural HistoryPhoto by Tim Evanson. Licensed under CC By-SA 2.0. (Cropped to show detail).

    Article: Cutting Star Gemstones: Tips for Beginners

    Credit: Tim Evanson

    GemstoneSapphire, Star Sapphire, Corundum
    Natural or man madeNatural
    OriginSri Lanka
    Carat Weight<i class="fa fa-square facet-search-color-swatch" style="color:#452a8b"></i> violetish Purple (vP)
    Gem StateCabochon
    Photo phenomenaAsterism