Some customers take the rough gem, but many opt to have their memorial diamonds cut ... the rare blue diamonds found in nature — and is why many "memorial diamonds" come out blue, too.

A Qatari sheikh is fighting a widow and her sons for control of the Idol's Eye - thought to be the world's largest cut blue ...

As the classic campaign slogan goes, “A diamond is forever.” You’ll wear your engagement ring for the rest of your life, so ...