• boulder opal ring - opal engagement ring stone

    Opal Stone – Natural, Cabochon, Green, 41.3 ct

    41.3-ct boulder opal in a gold and diamond mounting. © Opal Auctions. Used with permission.

    Article: An Incredible Union of Colors: Choosing Opal Engagement Ring Stones

    Credit: Opal Auctions

    GemstoneOpal Stone
    Natural or man madeNatural
    Carat Weight41.3
    Jewelry typeRing
    Gem StateCabochon
    ColorGreen, Blue