News — RUBY


Posted by Carla Grimaldi on

RUBY Rubies can lead the highest price per carat in the world of colored stones. This makes ruby one of the most important gems in the colored stone market. Ruby is the birthstone for July and the gem for the 15th and 40th anniversaries. A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). The red color is caused mainly by the presence of the element chromium. Its name comes from ruber, Latin for red. Rubies have a trigonal crystal system and a hardness rate of 9.0 mohs. The finest ruby is best...

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