Fine Conch Pearl, Strombus gigas or "Queen Conch" Caribbean Sea. Estimate: $US$ 10,000 - 15,000 (€8,900 - 13,000). Photo: Bonhams.

Oval in form and even in its rose pink color--this is a collector's pearl of the highest rank. The flame pattern iridescence is exceptionally fine. Such fine conch pearls are now increasingly scarce in today's market. Weighing approximately 3.63 carats and measuring 10.0 x 7.5 x 6.0mm

Bonhams. LAPIDARY WORKS OF ART, GEMSTONES AND MINERALS INCLUDING GOLD, 19 May 2015 10:00 PDT - LOS ANGELES