Ocean Diamond

DIAMOND XI is a cruise ship renamed in 2024, previously operated by Quark Expeditions as Ocean Diamond. She was previously named Song of Flower, Explorer Starship and Le Diamant.

In late 2011, Compagnie du Ponant sold the ship to investors who transferred the ship to Quark Expeditions. Quark has operated the ship as the Ocean Diamond since November 2012.

Expert in Residence program
Ocean Diamond has an Expert in Residence program, which enables scientists, polar researchers, historians and other experts to undertake field work from the ship. The experts include Jonathan Shackleton, Falcon Scott, and Sue Flood. Passengers may assist the experts in their work.