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Rubies Ruby Information VideoReally, rubies and diamonds. Or is it something else. Amazingly beautiful stones
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If you're not a retailer but are interested in purchasing our costumes, please visit. Please select a Shopping List. Main 0. Origin and color greatly affect the value of a ruby.
For more information on ruby quality factors, consult our buying guide and appraisal guide. Choosing a Ruby Engagement Ring Stone. Ruby and Sapphire Grading Tools.
Ruby and Sapphire Origins. Ruby , Thailand 3. Ruby is gem-quality red corundum. The color comes from traces of chromium. All other color varieties of gem-quality corundum are referred to as sapphire.
Most gemological authorities expect a medium to medium dark-red color tone in a ruby. Stones lighter than this are called pink sapphire. However, there is no general agreement on how to draw the line between rubies and sapphires.
Depending on the chromium and iron content, rubies have a color range that includes pinkish, purplish, orangey, and brownish reds. The trace mineral content tends to vary with the location of the geological formation which produced the ruby.
While lapidaries usually facet high-quality ruby for jewelry, they also use great quantities of low-quality ruby rough to make beads, carvings, and other ornamental objects.
Three carved rubies, Gem carvers can create intricate objects from this material. This ruby-in-zoisite carving marshals all the colors in this material to create a wonderful, naturalistic underwater scene.
Few other gems have as much myth, lore, and romance surrounding them as rubies. Over the centuries, many cultures have associated them symbolically with wealth and power.
One of their chief attractions was the protection from misfortune and illness they supposedly afforded their lucky owners.
However, many famous, genuine rubies have fascinating histories , too. Augsburg, Germany, ca Gift of J. Pierpont Morgan, Metropolitan Museum of Art , New York.
Public Domain. Stones from Myanmar tend to have purplish red colors. Thai stones tend to appear more brownish red. Photo by Cliff. Licensed under CC By 2.
Rubies fluoresce in long or shortwave ultraviolet light. Myanmar rubies often fluoresce so strongly that the effect is noticeable even in sunlight.
They literally seem to glow, and aficionados greatly admire them. If this rutile is sufficiently abundant and precisely arranged, proper cabochon cutting can create star rubies.
Today, there are heating and diffusion processes that can increase the rutile content and improve the star effect in such gems. Inclusions can also help identify the source of a ruby.
Having said that, you should also be aware that there are usually price jumps when you hit one carat, as well as three and five carats. If you want to buy a one carat ruby, consider going for a 0.
Rubies come from all around the world and are available in a range of different shapes and red shades.
Common types include:. Like diamonds, rubies are cut into a variety of shapes. While the round brilliant cut is the most common shape for diamonds, rubies are typically shaped based on the formation of the stone rather than as a method of maximizing brilliance and fire.
Rubies are increasingly becoming an alternative to diamonds for engagement rings and other jewelry. Differences between rubies and diamonds include:.
Rubies and sapphires are both varieties of the mineral corundum and share a large amount of the same chemistry. The key difference between rubies and sapphires is chemistry and color.
Rubies contain trace amounts of the element chromium, which gives the stone its red color. Sapphires may contain several different trace elements that contribute to their color.
Just like diamonds , rubies can be created in a lab. Lab-created rubies tend to be much cheaper than natural rubies.
They also tend to be produced without the flaws that are present in natural rubies. From a chemistry perspective, a lab-created ruby is the same mineral as a natural one, with identical chemical properties to a natural stone.
To others, the lack of flaws may be an advantage. Appearance is subjective, and both lab-created and natural rubies can look beautiful. Ultimately, the best choice is the one that most closely matches your tastes and budget.
Because of their rarity, rubies are often faked. We recommend buying only from a trusted ruby jewelry vendor such as James Allen to avoid buying fake rubies.
To tell a fake ruby from a real one, you can use the following techniques:. Note that a lab-created ruby is not the same as a fake ruby.
Lab-created rubies are chemically identical to natural ones, although their appearance may be slightly different upon a very close examination for example, few or unnatural-looking inclusions.
Fake rubies, on the other hand, are typically made from materials such as glass, or from other, cheaper gemstones.
We make this recommendation for several reasons:. In short, everything that works in their favor regarding diamonds is true here as well.
Synthetic Rubies are inexpensive and often used as a cheap substitute for natural rubies. Ruby is the birthstone for July.
Occasionally also used to describe synthetic Ruby. Ruby Zoisite has pretty contrast and is used as a minor gemstone, being polished into cabochon s and carved into ornamental figures.
Many deceitful names are given to less valuable red gems in connotation with Ruby. Many of these names are used by unscrupulous dealers to confuse inexperienced buyers.
Generally speaking, any time the word Ruby is used with a prefix except for those outlined above , it is a fake or a less valuable red gemstone.
The red Garnet gemstone Pyrope is particularly vulnerable to be called Ruby with a tacky prefix. Rubies are often heat treated to improve color as well as burn out certain inclusion s.
It is common industry practice to heat treat Rubies, and untreated Rubies with excellent natural can be exceptionally valuable. A recent practice in the gemstone industry is to fracture-fill Rubies to conceal flaw s.
This is done by heating them in molten lead glass which has a very similar refractive index to Ruby gemstones.
Fracture-filled Rubies are significantly cheaper than their more authentic counterparts, and because of this one should always buy Ruby from a reputable dealer.
The center of Ruby gemstone trade is in Bangkok, Thailand. The Chantaburi Province in Thailand has always been an important source of Rubies, producing gems with excellent clarity but with less desirable browner tones.
However, the color of Thai Rubies are able to be improved by heat treatment. The Thai Ruby deposits were exhausted in the 's.
Learn More. Cut Rubies are commonly fashioned as mixed cuts, which have brilliant-cut crowns and step-cut pavilions. Carat Weight Fine-quality rubies over one carat are very rare and price goes up significantly as size increases.
Read Article. Sorokina, Andrey K. Jacob, and Zamoniddin Z. Nasriddinov , Jul 31, Read Article. This Month's Featured Gems.