Is synthetic alexandrite worth anything?
Is synthetic alexandrite worth anything?
Synthetic Alexandrite sells to the trade from one company at $167 per carat, with a retail of $500 per carat.
What is corundum alexandrite?
Corundum-based simulated alexandrite Most gemstones described as synthetic alexandrite are actually simulated alexandrite: Synthetic corundum laced with vanadium to produce the color change. This alexandrite-like sapphire material has been known for almost 100 years.
How can you tell if alexandrite is real?
Real alexandrite usually changes from something in the green color range in daylight or fluorescent light to something in the red range in incandescent light. If it changes from blue to purple it is almost always a synthetic sapphire. If it is large and very clean internally you can bet it is not real.
What is pulled alexandrite?
Czochralski process
The Czochralski process, or pulled alexandrite technique, is a method of crystal growth used to obtain crystals (especially rod-shaped single crystals), metals and salts. The process starts with melting the materials of appropriate composition in a crucible.
How much are Alexandrites worth?
Size always affects alexandrite value. You can see this reflected in our Price Guide below. In sizes up to one carat, top-quality natural gems can sell for up to $15,000 per carat. Over one carat, the prices range from $50,000 to $70,000 per carat!
Are Alexandrites rare?
Natural alexandrite is rarer than diamonds and more costly than emerald, ruby, and sapphire. Any alexandrite more than three carats is highly uncommon. Smaller stones are more readily available to commercial jewelers. Top-quality natural Alexandrite can cost more than $30,000 per carat.
Why is Alexandrite so cheap?
However, unlike other gems that have similar pleochroic attributes, its striking color change is actually from the unusual way the mineral absorbs light. Supply of Alexandrite is scarce; because of which, it is, as GIA states, “a relatively expensive member of the chrysoberyl family.” And it’s no wonder why!
What does a real alexandrite stone look like?
Alexandrite is the color-change variety of the mineral chrysoberyl. Alexandrite is bluish green in daylight or fluorescent light. Alexandrite is purplish red in incandescent light or candlelight.
Does created alexandrite change color?
Alexandrites are remarkable and rare gemstones. They display an extraordinary colour change according to the ambient lighting, from emerald green in daylight to ruby red in incandescent light from tungsten lamps or candles.
How hard a stone is alexandrite?
With a hardness of 8.5 on the Mohs scale, alexandrite is softer than sapphire and harder than garnet—the other gemstones that can change color. However, due to its scarcity, alexandrite is more valuable than most gemstones, including rubies and diamonds.
Are Alexandrites expensive?
How much are alexandrites worth?