All natural rubies have imperfections in them including color impurities and inclusions of rutile needles known as silk.
Ruby price per ounce.
A ruby is a pink to blood red colored gemstone a variety of the mineral corundum.
18 karat gold price per gram per ounce and per tola bar the precious metal gold measured by troy weight and by grams.
Though it s likely your ruby is not this large your stone s carat weight will still have an impact on its value.
When it is alloyed with other metals the term carat or karat is used to indicate the purity of gold present with 24 carats being pure gold and lower ratings proportionally less.
Large transparent rubies are particularly rare.
Nevertheless it s also brittle and a strong hit or extreme temperatures could make it crack so it should be handled with care.
The price for the same colored gemstones may vary from as little as 10 per carat upto even 10000 per carat depending upon the quality and several other factors.
Slpr 5 6 6 6 7 5.
The red color is caused mainly by the presence of the element chromium.
And for the classic colored gemstones the classic big three of colored gemstones rubies emeralds and sapphires the costs increase dramatically as the quality and size of the gem.
With a hardness of 7 5 to 8 on mohs scale it s one of the hardest gemstones.
Of course natural ruby s price is much higher compared to synthetic versions.
Likewise a one carat fine quality mozambique ruby can draw up to 90 000 1 200 to 1 400.
In general the greater the carat weight the more your ruby is worth.
No trade data available.
As of may 2015 the record price for a ruby is approximately 2 million per carat.
The world s largest ruby an 18 696 carat stone weighs approximately 8 2 pounds.
Million for a 25 59 carat mogok pigeon s blood ruby.
An old burmese ruby weighing between and 1 carat with dark red or deep pink color and minimal inclusions can price anywhere between 70 000 to 1 15 000 per carat 1 300 to 1 600.
The spot price of silver is always higher than the bid price what dealers pay for silver per ounce and always lower than the ask price what you will pay a dealer for silver per ounce.
Synthetic rubies also exist and are sometimes used as a substitute for naturally occurring gemstones.
Ruby per ounce price.
The difference between the spot price and the ask price is known as the premium of silver per ounce.
Price per carat increases significantly as carat weight increases.