Are Black Sapphires Valuable

This stone s black color is a result of iron and titanium traces present in the mineral.
Are black sapphires valuable. Another valuable sapphire type is the very scarce orange pink padparadscha. Sapphires are generally categorized as blue sapphires any sapphire with a predominantly blue hue or fancy sapphires sapphires of any other color. Unfortunately black sapphires are considered low grade low quality gemstones and are not valuable. Dark sapphires are much in the market but they never reach very high values.
The most valued blue sapphires are velvety blue to violetish blue in medium to medium dark tones. Black diamonds get their color from the presence of heavy amounts of graphite impurities within the stone. They are still considered second rate gemstones and are not highly valued. The black star sapphires with the gold star are found only in thailand.
Shop blue sapphire rings. Padparadscha a sunset or guava color pink and purple orange and yellow green colorless and black. Prices for ovals and cushions. Add 8 to 10 for rounds and pears.
The above image shows how the color of the sapphire varies according to the country or the mine it has been sourced from. The most valuable sapphires have a rich medium blue color. Average brilliancy of 40 to 60. However with the surge in popularity of black gemstones especially black diamonds black sapphires are slowly being treated with respect.
Many sapphires on the market are actually grayish. Black sapphires are not as prestigious as black diamonds. Its blue sapphire s are similar in appearance quality and material to those from sri lanka. Other blue sapphires heat treated material.
Sapphires with these qualities command the highest prices per carat. Add 10 to 20 for emeralds and marquis. Today however there is a new and important source of gem quality sapphires on the market madagascar. The flip side of this is that black sapphire jewelry is generally very affordable.
If certified burmese and untreated add 50 except fair or lower grades. The most valuable attribute of sapphire is the cornflower blue color known as kashmir sapphire or cornflower blue sapphire. Although hue counts the closer to a pure blue the better saturation is more important. Black diamonds also known as carbonado contains graphite and amorphous carbon in its composition.
Top sapphires reach vivid saturation. Add to 20 or deduct to 10 for other cutting. Black star sapphire is mostly mined in thailand west africa and india. Some of the most popular fancy sapphire categories include.
Less valuable blue sapphires might also be grayish too light or too dark. The lower quality sapphires are characterized by a darker blue and are mostly opaque when viewed from the center.