• paraiba tourmaline and diamond ring - rare and expensive engagement ring stones

    ba Tourmaline – Natural, Faceted, Blue, 14.16 ct

    Paraíba tourmaline and diamond ring, 14.16-ct cushion-cut center stone and 2.92-ctw diamonds mounted in 18k gold. Photo courtesy of liveauctioneers.com and Joshua Kodner.

    Article: Ten Rare and Expensive Engagement Ring Stones

    Credit: Joshua Kodner

    GemstoneTourmaline, Paraíba Tourmaline
    Natural or man madeNatural
    Carat Weight14.16
    Jewelry typeRing
    Gem StateFaceted