A pair of colored and white cultured pearl, black diamond and diamond earrings, Eli Frei. photo courtesy Bonhams

composed of gray cultured pearls measuring approximately 9.9 and 9.7mm, and white cultured pearls measuring approximately 10.4 and 10.3mm, attached by links of diamonds and black diamonds;signed Frei; estimated total diamond weight: 1.50 carats; mounted in eighteen karat white gold; length: 2 1/2in. (colored cultured pearls and colored diamonds not tested for origin of color). Sold for US$3,904