Blue Star Sapphire Value

Blue sapphires usually have some inclusions but generally have better clarity than rubies.

Blue star sapphire value.

Al2o3 corundum aluminium oxide cut. The price of a sapphire is determined based on its quality which means that a large low quality sapphire would be a lot cheaper than a small but very high quality sapphire. The most valued blue sapphires are velvety blue to violetish blue in medium to medium dark tones. 1 8 cm ring size.

A burmese blue cabochon star sapphire and diamond cocktail ring. Blue star sapphire blue sapphire with diamond ring in 18 karat gold setting located in bangkok th blue star sapphire 7 47 carats blue sapphire 3 54 carats with diamond 0 44 ct ring in 18 karat white gold settings width. The thai blue star sapphire is a variety of sapphire that displays a six pointed star pattern radiating from the inky depths of the stone. The best star sapphires will have a blue transparent body with a nice deep blue color and a sharp and vibrant star.

The color and clarity of star sapphires has a major influence on the overall price. The optical phenomenon responsible for the star sapphire s shimmering rays is called asterism from the latin word astrum for star. Blue star sapphire ceylon good star si vvs type ii 1 000 to 3 000 per carat. It has a nice blue colour.

A stone with a very transparent body is extremely rare and will fetch a high price. Star sapphire value price and jewelry information home gemstones star sapphire value price and. Natural blue star sapphire burma color. Pink sapphire stone price and black star sapphire cost also reflect their rarity and popularity in the trade.

The most expensive sapphire was sold on record costing 135 000 per carat. Sapphires with these qualities command the highest prices per carat. Apart from the hue the star sapphire s value also depends on the tone and saturation of the color. Star sapphires occur in almost every color seen in transparent sapphires although yellow orange and green star sapphires are very uncommon.

Sapphire along with her sister gemstone ruby belongs to the corundum group of gemstones considered one of the hardest minerals on earth. Top quality unheated stones could get a premium of 50 or higher especially if they re large. 9 hardest after diamond formation. A star sapphire is so named due to the appearance of a star shaped format which presents itself when the sapphire is.

Typically mid quality untreated blue sapphire will sell for 20 30 more than a treated stone of the same quality.