• Classic Portuguese-cut amethyst

    Amethyst – Natural, Faceted, Purple, 4 ct

    In materials with RIs lower than 1.76, like quartz, classic Portuguese cuts may create a dead area in the center of the stone. 14k white gold ring with a 4-ct, Portuguese-cut amethyst and round, full-cut diamond accents. Photo courtesy of liveauctioneers.com and Ahlers & Ogletree Auction Gallery.

    Article: How to Cut a Simple Portuguese Gem Design

    Credit: Ahlers & Ogletree Auction Gallery

    GemstoneQuartz, Amethyst
    Natural or man madeNatural
    Carat Weight4
    Jewelry typeRing
    Gem StateFaceted