Lot 2216. Deep Rose Conch Pearl, Strombus gigas or "Queen Conch", Caribbean Sea; weighing approximately 5.69 carats and measuring 12.32 x 8.67 x 6.90mm. Sold for US$ 10,000 (€8,436) inc. premium. Photo: Bonhams.

Of ovoid form, distinguished by its perfect of shape and color--a rich, well-saturated deep rose which exhibits a beautiful flame pattern iridescence.

Bonhams. LAPIDARY WORKS OF ART, GEMSTONES AND MINERALS, 6 Dec 2017, 10:00 PST - LOS ANGELES