What are the grades of sapphire?
Blue Sapphire Quality Grading
|Quality Grade||% of All Sapphire|
|AAAAA (Untreated Heirloom)||Extremely Rare|
|AAAA (Heirloom)||Top 1%|
|AAA (Excellent)||Top 10%|
|AA (Very Good)||Top 25%|
How can you tell a good quality sapphire?
You want to look for a sapphire that has no inclusions visible to the naked eye. experts look at the size, location and number of inclusions to judge clarity. The less visible the inclusions are, the higher the grade. Cut: The cut is essentially what makes a sapphire really sparkle.
Which sapphires are most valuable?
In terms of color, pure blue sapphires are the most highly prized, and therefore tend to be the most expensive. This is one of the qualities of the Kashmir sapphire, said to be like “blue velvet” in their appearance.
Which sapphires are best?
The best color for a natural blue sapphire is an intense, velvety, deep royal blue. This color of sapphire would be considered AAA quality, the rarest and most valuable. The second best color is a medium rich blue, or AA quality. Any blue sapphires that have a slight gray undertone fit into the A category.
What is the rarest sapphire color?
The rarest sapphire is the Padparadscha, an extremely rare pink and orange stone that is stunning to behold. However, the most valuable sapphires are the Kashmir variants, which are blue.
How do I know if my sapphire is worth cutting?
Inclusions can look like silk needles, cracks, fissures or opaque knots. When cutting a sapphire it is important to minimize the appearance of these inclusions especially in the top facet of the sapphire. The more visible the inclusions from the top-down, the less desirable the sapphire.
Are dark blue sapphires more valuable?
Color has the greatest influence on a sapphire’s value, and preferred sapphires have strong to vivid color saturation. The most valued blue sapphires are velvety blue to violetish blue, in medium to medium-dark tones. … Less valuable blue sapphires might also be grayish, too light, or too dark.
How much is a 2 carat sapphire?
A sapphire stone can always be re-cut, so clarity is probably more important. A top quality 1 to 2 carat stone might retail for prices between $800 – $1200 per carat. While quality 2 to 3 carat stones would sell for approximately double the price per carat, so that would be around $1600 – $2000 per carat.
What is an unheated sapphire?
Unheated sapphires and untreated sapphires are one and the same as no treatment can be applied to a sapphire without the help of heat treatment. Unheated sapphires mean the sapphire is natural and it has not been enhanced by any form of heat treatment or any other treatment.
What is the color code for sapphire blue?
Sapphire blue is a strongly saturated shade of blue with the hex code #0F52BA, often used to describe both paler and more purplish blues as well.
What is a Burmese sapphire?
Burma sapphires are categorized by their deep royal blue color, and larger sizes have become immensely popular as of late. According to the GIA, for several centuries “Burmese blue sapphires…have occurred in alluvial deposits along the Mogok Stone Tract” in Myanmar in certain specific mines.
Why is my sapphire so dark?
This stone’s black color is a result of iron and titanium traces present in the mineral. There are also black star sapphire varieties that exhibit pink and purple hues. Unlike black sapphire, black star sapphire is a very expensive gemstone and can cost thousands of dollars.
Which country has the best blue sapphire?
India. The locality considered to produce the finest blue sapphires in the world is Kashmir, India. These amazing stones are mined at 16,500 feet in the Zaskar region.
What Colour is Ceylon sapphire?
Ceylon sapphires are celebrated for their bright mid blue colour, often referred to as a distinctive ‘cornflower’ blue hue. This attractive colour is typically a lighter shade of blue than sapphires from other mines across the world.
Are Ceylon sapphires valuable?
The ones originated from the Kashmir mines are the rarest and considered most valuable of them all. This is also due to the fact that the mining was active for only about 40 years between the 1880 and 1920. Next runners up and considered to be the best sapphires today are the ones mined in Sri Lanka.