An alexandrite stone is produced through a natural process that adds iron and chromium to a chrysoberyl gemstone. This is a beautiful rare stone that has high for its ability to change color. The first discovery of alexandrite was in the Ural Mountains of Russia in the mid-1800. These gemstones were in large quantities then, but they are not becoming rarer by the day. There has also been alexandrite from India, Brazil, Zimbabwe, Sri Lanka and Myanmar.
An alexandrite stone will sparkle in different shades of green when under a fluorescent light or in daylight. The gemstone is usually shades of red during the night time and turns shades of purple when placed under incandescent light. An alexandrite is the birthstone for the month of June. It has a link to fortune and good luck because of how rare it is. There is also a belief that it brings love and pleasure to the person who wears it.
Alexandrite has excellent durability, with a score of 8.5 on the Mohs scale. It has a specific gravity of 3.68 – 3.80 and a refractive index of 1.746 – 1.755. This stone has fire and flash characteristics, though it does not have unique cleavage characteristics. This means that cutting this stone might be quite a challenge. Unfortunately, some synthetic alexandrite, and in some cases color change chrysoberyl is passed as genuine alexandrite. Check the color properties of the stone and have the cost of a genuine stone in mind when buying.
Choosing a Alexandrite Engagement Ring
Alexandrite is available in either high quality or low quality. Low quality alexandrite stones can go for about $500 for each carat, while the high quality ones will be at between $5,000 and $10,000 for each carat. It could even go for as high as $15,000. The cost of the stone will depend on the 4 C’s which are the color, carat, cut and clarity of the stone.
For this gemstone, color is very significant to the value of the stone. An alexandrite gemstone gets value for its color and its color changing properties. The ones that have high value are those that have a true green color under daylight which is similar to the color on an emerald. They are also the ones that when under incandescent light, they change to a red to purplish color. Alexandrite’s that have a blue green or a light green color are not costly. Those that have a color change in a lower percentage under different lights do not have a high value also.
The carat size of an alexandrite ring will also determine its cost. The alexandrite engagement rings that have less than a carat of alexandrite is within the $2,000 – $5,000. This is one that has a nice cut, good clarity and quality color change. A ring that has a high rating on clarity will cost more than one that has imperfections on it. Purchase your ring from a trusted retailer with a credible background on rings.
Alexandrite is a great gemstone option for an engagement ring. This stone is beautiful, durable, high quality and has such a captivating color. Since it is a tough stone, it does not need special care and can be worn every day.
Diamonds can be quite expensive and the good quality ones may cost more than alexandrite’s. Alexandrite’s are however rare stones that are pricey too, with an authentic 0.30 carat stone going for more than $1,000. If an alexandrite engagement ring costs significantly less than this, then it may not have a genuine alexandrite stone.
A genuine alexandrite is a fine example of a gemstone that changes color under different lights. If the color change on an alexandrite is less than 30%, then it is not alexandrite. The color shades of green/blue and those of red/purple will guide you when evaluating your alexandrite stone. A genuine stone has also not been enhanced in any way.
Beautiful examples of Alexandrite Engagement Rings
A custom cut will also add to the value of an alexandrite engagement ring, especially if it accentuates the stone and makes it look more brilliant. When looking to purchase an alexandrite engagement ring, keep in mind that alexandrite’s are some of the rarest gemstones and therefore some of the most highly valued ones. You may have to be willing to spend quite an amount for a genuine high quality alexandrite. Here are some of 10 pieces of beautiful alexandrite engagement rings that we think would be a great fit on you.