Lot 1284Y. Rare Natural Saltwater Oyster Pearl, Pinctada mazatlanica, coastal waters near Baja California. Weighing approximately 8.83 carats and measuring 13.20 x 9.64mm. Sold for US$ 31,250 (€27,909). Photo: Bonhams.

Slightly greyish hue displaying excellent luster and considerable size, having a slightly pear-shape which would allow it to be mounted as a pendant, undrilled. 

Bonhams. AUCTION 23397: LAPIDARY WORKS OF ART, GEMSTONES, MINERALS AND NATURAL HISTORY - LOS ANGELES