An Art Deco carved ruby, diamond, pearl, gold and platinum clip brooch depicting a cascading cluster of pearl grapes, accompanied by a pavé diamond bird with carved ruby wings and onyx accents, suspended from a gold and diamond-set branch, in 18k and platinum. Atw diamonds .50 ct.. J. E. Caldwell and Co. numbered #L04590, with French marks, in an original Marchak box.
1930s J. E. Caldwell ruby, diamond, and pearl grape cluster brooch