https://www.liveauctioneers.com/price-result/pierre-sterle-mother-of-pearl-aquamarine-and-diamond-brooch/
Pierre Sterle, Mother Of Pearl, Aquamarine, And Diamond Brooch
Pierre Sterle Mother-of-pearl, aquamarine, and diamond brooch The carved mother-of-pearl flower, enhanced by round bril
mother of pearlaquamarine and diamondpierre sterlebrooch