Light Blue Star Sapphire Value

Star corundum can be red pink blue black gray brown purple or yellow practically every color under the sun.

Light blue star sapphire value.

Star sapphire value price and jewelry information home gemstones star sapphire value. The optical phenomenon responsible for the star sapphire s shimmering rays is called asterism from the latin word astrum for star. The most common star pattern is a 6 rayed star although star sapphires with 4 rays and 12 rays have been found. Watch the video for more information on star sapphires.

Top quality unheated stones could get a premium of 50 or higher especially if they re large. In natural light this color changing sapphire turns blue but in artificial light it displays a violet color. The term star sapphire encompasses all colors of star corundum except red which is called star ruby. Except fair or lower grades.

Typically mid quality untreated blue sapphire will sell for 20 30 more than a treated stone of the same quality. Naturally some colors of star corundum are valued more highly than others. Star sapphires occur in almost every color seen in transparent sapphires although yellow orange and green star sapphires are very uncommon. Tiny needles of silk within the sapphire crystal reflect light and form a star sapphire s telltale star.

An exotic type of sapphire also called the color changing sapphire displays different colors depending on its lighting. Blue star sapphire ceylon good star si vvs type ii 1 000 to 3 000 per carat.