Categorized as a "fancy deep blue," the Okavango Blue is anything ... this gemstone stands out as part of the elusive 0.02 percent of diamonds with natural color. Its rich azure hue is the result ...

A 5.72-carat fancy intense blue diamond ... and marquise-shaped diamonds. The two main diamonds were oval brilliant-cut diamond pendants of 10.10 and 10.08 carats, each D-color and flawless.