Stunning 50 carat pigeon-blood-red ruby half moon pendant

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Stunning 50 carat pigeon-blood-red ruby half moon pendant:
$24999.00

Stunning 50 carat blood-red ruby half moon pendant necklace, vintage, circa 1930s, excellent condition, huge natural "untreated" 49.37c of pigeon-blood-red ruby (corundum) gemstone, an amazing piece fit for a princess!GLA appraised valued at over $18,000 insurance replacement value (March 2011)
This item will be shipped fully insured!

Arubyis a pink to blood-red colored gemstone, a variety of the mineral corundum(aluminum oxide). Other varieties of gem-quality corundum are called sapphires . Ruby is one of the traditional cardinal gems, together with amethyst, sapphire, emerald,and diamond .The wordrubycomes fromruber, Latinfor red. The color of a ruby is due to the element chromium.

The quality of a ruby is determined by its color, cut, and clarity, which, along with caratweight, affect its value. The brightest and most valuable shade of red called blood-red or pigeon blood, commands a large premium over 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 inclusionsmay indicate that the stone has been treated. Ruby is the traditional birthstonefor July and is usually more pink than garnets, although some rhodolitegarnets have a similar pinkish hue to most rubies.All natural rubies have imperfections in them, including color impurities and inclusions of rutileneedles known as "silk". Gemologists use these needle inclusions found in natural rubies to distinguish them from synthetics, simulants, or substitutes. Usually, the rough stone is heated before cutting. These days, almost all rubies are treated in some form, with heat treatment being the most common practice. "Untreated" rubies of high quality command a large premium.