It is hard to imagine that minerals with worldly names like corundum bring exquisite gems like ruby and sapphire
Good luck if your birthstone is sapphire (September) or ruby (July). These are one of the rich colors of all gems with colorful romance and history as they are. Ruby is actually rarer than sapphire, and only the red corundum is called ruby. The other color is sapphire. When grading colored stones, the density and hue of the color are part of the rating, and the most plentiful is the richest, deepest color. In Ruby, the most prized color variant is called pigeon blood. Large gem quality rubies are more valuable and certainly rarer than equally sized diamonds. Smaller (1-3 carat) blue sapphires are abundant compared to the scarcity of small gem quality rubies, and these small stones are also relatively valuable.
Stones of Burma origin generally command the best price. The majority of rubies are the "native cut" of the country of origin. The high value ruby rough is tightly controlled and rarely makes a way to a custom cutter. Occasionally, such natural stones are recut, albeit at a reduced rate, in weight and diameter loss. Custom cut and recut stones are usually more than per carat.
Sapphire is in all shades of blue from the deep blue to the clear, beautiful summer sky to the bright, deep blue from the evening sky. Sapphire also displays not only the clear grayish mist blue on the far horizon, but also the bright fireworks of yellow, pink, orange and purple sunset colors, and many other colors Sapphire is really truly a stone of heaven , Is found on the hard soil of our so-called "blue planet".
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