What does FF mean in rubies?
Many of these cheap rubies are produced by a controversial new treatment known as fracture-filling. The treatment involves taking very low grade ruby with significant surface cracks and ‘repairing’ then by heating them with lead glass.
Is Niassa ruby valuable?
Despite of being included with silk (rutile needle inclusions), Niassa ruby value remains substantially high. This is because its low clarity is well compensated by its rare and brilliant reddish pink hue.
Where does Niassa ruby come from?
Attractive new rubies reportedly from northern Mozambique have begun to appear on the Thai gem market. The stones resemble rubies from Winza, Tanzania, but this study shows they can be distinguished by microscopic examination. Download PDF to view.
How can you tell a good quality ruby?
The finest ruby has a pure, vibrant red to slightly purplish red color. In most markets, pure red colors command the highest prices and ruby with overtones of orange and purple are less valued. The color must be neither too dark nor too light to be considered finest quality.
How can you tell a good ruby?
Real rubies glow with a deep, vivid, almost “stoplight” red. Fake gems are often dull: they are “light, but not bright.” If the gem is more of a dark red, then it may be garnet instead of a ruby. If it is a real ruby, however, know that darker stones are usually worth more than lighter stones.
How can you tell a real ruby from a fake one?
Since many artificial rubies use glass or glass combinations, use the glass-to-glass comparison test to check authenticity. All you need is a piece of glass that’s a similar color and hue. If the two have the same color, you have a fake ruby. Rubies will never be the same color as regular glass.
What are Type 3 gemstones?
Type 3 gemstones includes gems such as green emerald, red beryl (bixbite) and varieties of tourmaline, particular blue tourmaline (Pariaba tourmaline and Indicolite tourmaline) red (rubellite) tourmaline, as well as pink, bi-color tourmaline and multi-color or watermelon tourmaline.
What does AAA ruby mean?
These are the top 20%-30% of natural rubies available. They have a medium dark red color and are moderately to slightly included. They are typically used in fine jewelry by leading independent/family jewelers.
How much is a 1 carat Burmese ruby worth?
Burmese Ruby Prices
Burma ruby prices fluctuate steeply even in the same carat weight range because of color and clarity of the gemstone. A Burmese ruby with minimal inclusions and deep red color can easily draw between ₹ 1,00,000 to ₹ 1,20,000 per carat ($1,400 to $1,600 ) in the market, even more.
How can you tell an old Burma ruby?
As mentioned before, the most important value-determining factor of a Burma ruby is its color. If possible, look for genuine Burma rubies that exhibit the pigeon blood color. You will know that you have found the right one if the ruby contains a pure, vibrant shade of red.
Are Burmese rubies fissure filled?
Sometimes, lower quality Burmese rubies may be fracture filled with glass, which brings down the value of the stone.
What color ruby is the most valuable?
Burmese rubies are far and away the most expensive, most valued rubies. The combination of Burmese origins with the colour described as ‘pigeon blood red’ is what makes a ruby the most valuable of its kind.
Is a lab created ruby real?
Lab-created rubies are considered real because they are not much different from the natural ones. Rubies that are artificially produced are not the same as fake rubies, as they have different chemical structures from natural rubies.
What are Burma rubies?
Burma Ruby is the rarest and most valuable member of the corundum family. Colors range from pink red ruby to a vivid pigeon blood red that is regarded as the finest color for ruby. Prized for their beauty, durability, and rarity, it is the quality of the color which most determines the value of rubies.