Large Natural Pearl, Pinctada margaritifera, Sea of Cortez, Baja California, Mexico. Estimate US$ 75,000 – 95,000 (€60,000 – 76,000). Photo Bonhams.
Bouton-shaped with a high dome and suitable for mounting as a ring or pendant, this fine natural pearl displays a bluish-gray color. A saltwater pearl originating from a black-lipped oyster, this is an exceptional classic for this region. It is particularly rare, as the vast majority of Baja pearls do not even reach 1 carat in size and this one weighs nearly 17 carats, undrilled.
Weighing approximately 16.93 carats and measuring 13.5 x 11.0mm
Accompanied by a Gemological Institute of America report number 215667000 dated October 8, 2014 stating that the 16.93 carats pearls is natural, saltwater and that it shows no indications of treatment.
Bonhams. GEMS, MINERALS, LAPIDARY WORKS OF ART AND NATURAL HISTORY, 23 Nov 2014 10:00 PST – LOS ANGELES