Blue Star Sapphire Value

A burmese blue cabochon star sapphire and diamond cocktail ring.

Blue star sapphire value.

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. Star sapphire value price and jewelry information home gemstones star sapphire value price and. Al2o3 corundum aluminium oxide cut. Sapphires with these qualities command the highest prices per carat.

Pink sapphire stone price and black star sapphire cost also reflect their rarity and popularity in the trade. 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 best star sapphires will have a blue transparent body with a nice deep blue color and a sharp and vibrant star. Sapphire along with her sister gemstone ruby belongs to the corundum group of gemstones considered one of the hardest minerals on earth.

The most valued blue sapphires are velvety blue to violetish blue in medium to medium dark tones. Top quality unheated stones could get a premium of 50 or higher especially if they re large. 9 hardest after diamond formation. It has a nice blue colour.

A star sapphire is so named due to the appearance of a star shaped format which presents itself when the sapphire is. 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. The most expensive sapphire was sold on record costing 135 000 per carat.

The optical phenomenon responsible for the star sapphire s shimmering rays is called asterism from the latin word astrum for star. Typically mid quality untreated blue sapphire will sell for 20 30 more than a treated stone of the same quality. Color has the greatest influence on a sapphire s value and preferred sapphires have strong to vivid color saturation. 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 color and clarity of star sapphires has a major influence on the overall price. Amongst all the star sapphire colors blue star sapphire value remains the highest due to its rarity and high end beauty. Blue sapphires usually have some inclusions but generally have better clarity than rubies. Except fair or lower grades.

1 8 cm ring size.