What Is A Star Ruby Worth

Till the 1960 s star rubies fetched more prices than faceted rubies.

What is a star ruby worth. In general the greater the carat weight the more your ruby is worth. The ruby is a variety of corundum. The value of star rubies is basically influenced by two things. Learn where these stones occur and how inclusions can help identify their.

The ruby was synthesized by the verneuil process in 1902 and since that time many rubies that appear in the marketplace are synthetic. Ruby and sapphire origins greatly affect the values of these prized gems. Since you ll be looking to make thorium settings this makes thorium the more optimal choice. A star ruby like all rubies and sapphires rank 9 on the mohs scale of hardness right after diamonds which rank 10.

This effect is caused by asterism. Other colors of corundum are classified as sapphires. You can read more about asterism in our phenomenal gems article. To determine whether the ruby you want to purchase is synthetic or natural consult with an expert.

Star ruby is a type of ruby that exhibits a star like phenomenon known as asterism. Price per carat increases significantly as carat weight increases. Star sapphire is a type of sapphire displaying an optical star like effect. In order to be considered a ruby and not a sapphire the stone must possess a certain level of redness.

Though it s likely your ruby is not this large your stone s carat weight will still have an impact on its value. 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. How to determine the value of a star ruby.

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. However this is not the case with star rubies as they are found in stones that display a variety of hues including purple. In the 1950s synthetic star corundums known under the trade name linde stars enjoyed considerable popularity. Star ruby ceylon good star si vvs type ii 1 000 to 2 000 per carat.

About half of the time you ll get one of the more precious gems along with a star ruby. 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.