Learn where these stones occur and how inclusions can help identify their.
What is a star ruby worth.
Though it s likely your ruby is not this large your stone s carat weight will still have an impact on its value.
The term star ruby in addition to referring to rubies that display asterism many also refer to transparent red corundum too light or too purple to properly call ruby.
However this is not the case with star rubies as they are found in stones that display a variety of hues including purple.
In order to be considered a ruby and not a sapphire the stone must possess a certain level of redness.
Star rubies contain intersecting needle like inclusions often the mineral rutile a mineral composed primarily of titanium dioxide that cause the appearance of a six rayed star shaped pattern in star ruby when viewed with a single overhead light source.
The value of star rubies is basically influenced by two things.
The ruby was synthesized by the verneuil process in 1902 and since that time many rubies that appear in the marketplace are synthetic.
A the strength and sharpness of the star b intensity and attractiveness of body colour.
Till the 1960 s star rubies fetched more prices than faceted rubies.
Price per carat increases significantly as carat weight increases.
This effect is caused by asterism.
To determine whether the ruby you want to purchase is synthetic or natural consult with an expert.
When leveling up jewelcrafting the two gems best used between 255 and 300 are star rubies ruby pendant of fire and blue sapphires sapphire pendant of winter night.
Star sapphire is a type of sapphire displaying an optical star like effect.
About half of the time you ll get one of the more precious gems along with a star ruby.
Since you ll be looking to make thorium settings this makes thorium the more optimal choice.
Star ruby ceylon good star si vvs type ii 1 000 to 2 000 per carat.
Other colors of corundum are classified as sapphires.
The world s largest ruby an 18 696 carat stone weighs approximately 8 2 pounds.
Cutting is very important to exhibit the star effect in ruby.
These thin rutile inclusions can occasionally result in asterism a phenomenon that results in the highly prized star ruby though generally they detract from the stone s clarity and make the ruby less valuable.
The ruby is a variety of corundum.
In general the greater the carat weight the more your ruby is worth.
A star ruby like all rubies and sapphires rank 9 on the mohs scale of hardness right after diamonds which rank 10.
You can read more about asterism in our phenomenal gems article.
Ruby and sapphire origins greatly affect the values of these prized gems.