Rock stars: Diamonds may be a girl's best friend, but blood-red rubies are a cut above other gemstones – CBS News

Rock stars: Diamonds may be a girl’s best friend, but blood-red rubies are a cut above other gemstones  CBS News

While diamonds may be a girl’s best friend, rubies can be the real rock stars. The Sunrise Ruby, a 25.5-carat stone, made history in 2015 as the most expensive …

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