Ruby other rubies of similar quality. After color follows clarity: similar to diamonds, a clear stone will command a premium, but a ruby without any needle-like rutile inclusions may indicate that the stone has been treated. Ruby is the traditional birthstone for July and is usually more pink than garnet, although some rhodolite garnets have a similar pinkish hue to most rubies. The world's most valuable ruby is the Sunrise Ruby. Rubies have a hardness of 9.0 on the Mohs scale of mineral hardness. Among the natural gems only moissanite and diamond are harder, with diamond having a Mohs hardness of
Rosser Reeves Ruby removed in the repolishing. The repolishing also helped to center the stone's star. Articles in the New York World-Telegram and The Sun in 1953 mentioned this fabulous gemstone. This incredible stone is still located in the Smithsonian and is proudly displayed for all to see. Rosser Reeves Ruby The Rosser Reeves Ruby, Weighing , is one of the world's largest and finest star rubies. This Sri Lankan stone is renowned for its great color and well-defined star pattern. The stone is named after Advertising mogul Rosser Reeves who pioneered his industry. And whose techniques were very popular in the 1950s