Gemstone 101: A Ruby Red in July

July’s rolled around, and that means it’s time to talk about its birthstone – the lovely, deep red ruby. July birthdays and non-July birthdays alike adore the crimson shade, and these gemstones are used in a variety of jewelry types, cuts, and settings. But how much do we actually know about this red stone, and what makes them so popular? We’ve put together a few interesting facts just for your enjoyment today – so take a read and learn something new.

A gold ring featuring a large ruby setting

Facts about Ruby

  • Ruby derives from the Latin rubens, meaning red.
  • Most natural rubies are treated to improve their color and strengthen them.
  • Scoring a 9 on the Mohs hardness scale, rubies are only slightly softer than diamonds.
  • Rubies are made of corundum. Corundum comes in many other colors, but those colors are classified as sapphires.
  • The stone is also a traditional gift for those celebrating 15th or 40th anniversaries.
  • The color range stretches from deep, dark red to lighter, almost-pink shades.
  • The most expensive ever sold was the “Hope Ruby” which weighs 32.08 carats and sold for $6.74 million.
  • In ancient Indian folklore, people believed rubies would help them be at peace with their enemies.
  • A Chinese jeweler owns the largest in the world, and it weighs in at 40,920 carats

Did you discover something interesting about this birthstone? Do you have any ruby pieces in your personal jewelry collection, or are you looking to add some?

Want to see what gemstones are currently up for auction? has incredible loose stones, along with jewelry with birthstone settings. With hundreds of auctions closing daily, there’s always a great opportunity to find the gemstone you like.

Until next time, good luck, and happy bidding.


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