Long Jewelers
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What is a Ruby?

A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminum oxide). The red color is caused mainly by the presence of the element chromium. Its name comes from ruber, which is Latin for red. Other varieties of gem-quality corundum are called sapphires. The ruby is considered one of the four precious stones, together with the sapphire, the emerald and the diamond.

Prices of rubies are primarily determined by color. The brightest and most valuable "red" called blood-red, 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 inclusions may indicate that the stone has been treated. Cut and carat (weight) are also an important factor in determining the price.

Rubies have a hardness of 9.0 on the Mohs scale of mineral hardness. Among the natural gems only moissonite and diamond are harder, with diamond having a Mohs hardness of 10.0 and moissonite falling somewhere in between corundum (ruby) and diamond in hardness.



Ruby Rings

Ruby Rings: Available Overnight

Ruby Earrings
Ruby Pendants

Ruby Pendants: Available Overnight


Slide Show - Ruby Jewelry

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  • Home
    • About Us >
      • Before and After
    • Contact Us
  • Precious Metals
    • Information About Gold >
      • See Current Gold Price
    • Caring for Your Gold Jewelry
  • Engagement Rings
  • Estate Jewelry
    • Ladies Diamond Rings
    • Ladies Colored Stone Rings
    • Mens Rings
    • Pendants and Charms
  • Diamonds
    • Wraps and Bands
    • Right Hand Rings >
      • Right-hand Rings: 5-day availability
    • Colored Diamond Rings
    • Diamond Pendants
    • Diamond Earrings
    • Diamond Bracelets
  • Discount Specials
    • Rings
    • Pendants
    • Earrings
  • Pearls
    • Pearl Rings >
      • Pearl Rings: Available Overnight
    • Pearl Pendants >
      • Pearl Pendants: 5-day Availability
  • Rubies
    • Ruby Rings >
      • Ruby Rings: Available Overnight
    • Ruby Pendants >
      • Ruby Pendants: Available Overnight
    • Ruby Earrings >
      • Ruby Earrings: Available Overnight
  • Sapphires
    • Sapphire Rings >
      • Sapphire Rings: 5-day availability
    • Sapphire Pendants >
      • Sapphire Pendants: 5-day availability
    • Sapphire Earrings >
      • Sapphire Earrings: 5-day availability
  • Emeralds
    • Emerald Rings >
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    • Emerald Pendants >
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    • Emerald Earrings
  • Blue Topaz
    • Blue Topaz Rings >
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    • Blue Topaz Pendants
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    • Amethyst Rings >
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  • Peridots
    • Peridot RIngs >
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    • Peridot Earrings
  • Other Gemstones
    • Black Onyx
    • Tanzanite >
      • Tanzanite Jewelry: Available Overnight
    • Opals
    • Smokey Quartz
  • Chamilia
    • Beads
    • Bracelets
    • Stoppers
  • Watches
    • Citizen Watches for Women
    • Citizen Watches for Men
    • Seiko Watches
    • An Article About Wristwatches
  • Men's Jewelry