The Queen Mary Brooch, an excellent example of conch pearl jewelry, loaned by Georges Ruiz, P. Lancon S. The top pearl is carats and the bottom carats. Conch pearls were particularly popular in Europe during the early twentieth century.
Catherine The Great Emerald Brooch, mid century. Centering upon a hexagonal-cut emerald, within an openwork two-tiered rose-cut diamond surround, bordered by old mine-cut diamonds, mounted in silver-topped gold. Christie's via New York Social Diary
A black opal, diamond and fourteen karat gold ring centering oval cabochon black opal weighing approximately: carats; accented by round brilliant-cut diamonds; total diamond weight approximately: carats.