In the sotheby s fall 2018 auctions an 8 carat burmese ruby sold for 2 000 000.
Price of ruby per carat.
Big high quality specimens can be extremely expensive their price can go up to several thousand usd per carat.
This makes ruby one of the most important gems in the coloured stone market.
Ruby s value is dependent on its quality color and carat weight.
In its purest form the mineral corundum is colourless.
The color of ruby the mixture of these untreated and heat treated rubies show a range of darker and brighter red colors.
The single gemstone that has registered an increase of 10 30 increase in price depending on quality and origin every quarter since september 2011 is the precious gemstone 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.
Its colors always red can reach vivid levels of saturation.
Notes in india mozambique ruby prices per carat ranges from rs 20 000 per carat 315 approx to rs 1 lakh per carat 1400 approx and above.
The world s largest ruby an 18 696 carat stone weighs approximately 8 2 pounds.
Ruby burma untreated red si vvs type ii 20 000 to 30 000 per carat.
However rubies are also subjected to more treatments than almost any other gem.
8 carat natural burmese ruby sells for 2 000 000usd.
Typically mozambique ruby stone prices depend upon its color clarity cut and carat weight.
Fine quality rubies are some of the most expensive gemstones with record prices over 1 000 000 per carat.
As with all other gemstones ruby stone price are determined by cut color clarity carat weight lack of treatment and current demand supply equations.
Ruby prices begin from as low as 450 and trend up to 2 lakh per carat 12 to 1 600.
Though it s likely your ruby is not this large your stone s carat weight will still have an impact on its value.
The per carat price of ruby can also increase dramatically as size increases especially for better quality stones.
Price per carat increases significantly as carat weight.
Rubies can command the highest per carat price of any coloured stone.
Large transparent rubies are particularly rare.