• pink conch pearl ring - Mikimoto

    Calcareous Concretions – Natural, Rough, Pink

    18k gold ring with an oval-shaped, pink conch pearl and pear and marquise-cut diamonds. Mikimoto maker's mark. Photo courtesy of liveauctioneers.com and Heritage Auctions.

    Article: Calcareous Concretions Value, Price, and Jewelry Information

    Credit: Heritage Auctions

    GemstoneCalcareous Concretions
    Natural or man madeNatural
    Jewelry typeRing
    Gem StateRough