Trace elements that become part of the mineral’s crystal structure cause variations in its color. Chromium is the trace element that causes ruby’s red, which ranges from an orangy red to a purplish red. The strength of ruby’s red depends on how much chromium is present—the more chromium, the stronger the red color.
How do rubies get their color?
When chromium replaces aluminum in corundum, the chromium atoms absorb certain wavelengths of light and reflect light in the red part of the visible light spectrum. This reflected red light is what your eyes see and gives rubies their distinctive red coloring. … Rubies vary in color from deep, blood red to light pink.
Can Rubies be other colors?
Most rubies have a strong red color, although the precise color of rubies can range from blood-red to orangy-red, purple-red, brown-red or even a pink-red tone. … When it’s any other color, such as blue, yellow, or pink, we call it sapphire.
What is the true color of a ruby?
Color is the most significant factor affecting a ruby’s value. The finest ruby has a pure, vibrant red to slightly purplish red color. In most markets, pure red colors command the highest prices and ruby with overtones of orange and purple are less valued.
What elements make up rubies?
Rubies are a type of corundum, a rare mineral made up of densely packed aluminum and oxygen atoms, which are normally colorless. When other atoms are substituted for a few of the aluminum ones, bright hues emerge.
How expensive is Ruby?
One of the most popular traditional jewelry stones, ruby is exceptionally durable. Its colors — always red — can reach vivid levels of saturation. Fine-quality rubies are some of the most expensive gemstones, with record prices over $1,000,000 per carat.
Are rubies rarer than diamonds?
Diamonds are one of the most valuable precious stones around, but not because diamonds are especially rare. In fact, high-quality emeralds, rubies, and sapphires are all rarer in nature than diamonds.
How much is a 1 carat ruby?
One carat ruby prices can range from US$10 to US$12,000
The method I used to determine the value is by first categorizing the stone based on the 4Cs + OT method.
How do you tell if a ruby is real or not?
Real rubies glow with a deep, vivid, almost “stoplight” red. Fake gems are often dull: they are “light, but not bright.” If the gem is more of a dark red, then it may be garnet instead of a ruby. If it is a real ruby, however, know that darker stones are usually worth more than lighter stones.
Is Ruby more pink or red?
How to Grade Ruby Color. According to the GIA, red must be the dominant hue for corundum to be considered a ruby. When you look at the stone, you must see more pure red than you do any other color.
Is Ruby more expensive than gold?
Large, gem-quality rubies can be more valuable than comparably sized diamonds and are certainly rarer. In fact, smaller blue sapphires (1-3 cts) are relatively abundant compared to small, gem-quality rubies. 18k yellow gold, 1-ct ruby, and 0.15 ctw diamonds. …
How much does a 2 carat ruby cost?
Ruby – Single Stone Price List
|Size||V. Fine||Mid. Range|
|under 1 ct.||call||$300-450|
|1 carat size||call||$450-650|
|2 carat size||call||$600-800|
|3 carat size||call||$600-800|
What color is close to Ruby?
Rubies that are closest to a true red on the color wheel spectrum are the ones that are the most prized in terms of their hue. The more secondary colors that are mixed into the ruby like purple, blue, or orange, the further the ruby moves away from having a perfect red hue.
Do rubies glow under UV?
Because of this, many have an intense red color. In addition, rubies found in marble typically fluoresce red under ultraviolet light—even the ultraviolet light in sunlight. Fluorescence can make a ruby’s color even more intense and increase its value.
Who can wear ruby?
Individuals born on the first, tenth, and twenty-eighth date of any month can also benefit from donning a ruby. Rubies favor understudies, stockbrokers, geologists, engineers, specialists, judges, legal advisors, and policymakers. While wearing a ruby, these professionals find it easier to tackle their jobs.
Where are natural rubies found?
Historically, rubies have been mined in Thailand, in the Pailin and Samlout District of Cambodia, as well as in Afghanistan, Australia, Brazil, Colombia, India, Namibia, Japan, and Scotland; after the Second World War ruby deposits were found in Madagascar, Mozambique, Nepal, Pakistan, Tajikistan, Tanzania, and Vietnam …