A Complete Guide to Choosing Natural Alexandrite
- declanjames009

- Apr 28
- 3 min read

Do you want to fall under the spell of a magical stone that appears to change color before your very eyes? Then embrace the natural alexandrite, a rare treasure that makes an outstanding choice in the world of fine jewelry. But how can you find a perfect stone when no two stones look exactly alike? And besides the obvious differences like color change, many other things come to mind while choosing an exceptional stone.
Let’s take a closer look at some factors when shopping for your ideal natural alexandrite stone.
Understanding Natural Alexandrite Characteristics
Natural alexandrite forms deep in the Earth over millions of years, where specific environmental conditions and trace elements create this rare gemstone. It was discovered way back in the 1830s in the Ural Mountains in Russia and was named after Alexander II, the heir apparent to the throne. Since then, alexandrite has been an integral stone when it comes to jewelry, including alexandrite rings.
Belonging to the chrysoberyl family, natural alexandrite is classified as pleochroic, displaying different colors when viewed from different angles. It appears green to bluish green in daylight and red to purplish red in incandescent light, caused by the presence of chromium in its crystal structure. This interesting color-shifting ability gives alexandrite the famous moniker, “emerald by day” and “ruby by night.”

These optical qualities of alexandrites are collectively known as the “alexandrite effect.” Such properties make these stones rare, unique and one of the world’s most desired gemstones.
Additionally, alexandrite is also considered to be exceptionally hard with a score of 8.5 on the Mohs scale. This makes the gem a durable option for daily wear and suitable for various jewelry styles, including the timeless alexandrite stud earring or any other accessory.
Symbolism
Valued for its history and cultural significance, alexandrite is often associated with stability, joy, luck, prosperity and transformation. Its unique color transition symbolizes the dynamic and ever-evolving nature of love, making it the right choice for alexandrite engagement rings. It is also believed to promote positive energy, personal growth and harmony in relationships.
How To Choose the Right Alexandrite
Keep the following factors in mind while selecting the perfect natural alexandrite stone.
Quality (4Cs)
Color: The most important factor is the gemstone’s color change. Consider the intensity and saturation of the green and red colors exhibited by the stone under different lighting conditions. Alexandrite showing a sharp transition between green and red tones commands the highest prices.
Clarity: Most natural alexandrite stones display few visible inclusions. Eye-clean stones with minimal inclusions are extremely rare and valuable. Occasionally, parallel needle-like inclusions create a “cat’s-eye effect”, increasing the alexandrite’s value.
Cut: The cut enhances the stone's beauty and color-shifting effects. Alexandrite is often cut into traditional shapes such as round, oval and cushion to enhance its pleochroic properties.
Carat Weight: Most of the natural alexandrites are small, weighing less than one carat. Larger sizes and better qualities rise in price dramatically.
Origins
Historically, Russia’s Ural Mountains were the primary source of the finest natural alexandrite. Today, Brazil leads in mining larger stones with strong color shifts. These are prized for their clarity and brilliance, making them popular choices for high-quality alexandrite earrings and necklaces.
Other notable sources include Sri Lanka, Madagascar, Tanzania and Myanmar, but Russia and Brazil remain top origins for exceptional alexandrite gems.
Treatments
Natural alexandrite is typically left untreated to preserve its natural beauty and value. However, some lower-grade stones may undergo treatments such as heat or fracture filling to enhance color and clarity.
Certification
Whether you choose alexandrite necklaces, rings or earrings, it is important to check that the stone is certified to ensure authenticity. Look for reputed sellers such as GemsNY who provide certificates issued by gemological institutes such GIA or IGI. These certificates verify the stone's origin, color-change properties and quality.
Final Insights
Natural alexandrite is a gemstone like no other, offering a blend of rarity, beauty and mystique. Its enchanting color-changing properties, combined with enduring appeal and deep symbolism make it a gemstone worth exploring.
For a trusted shopping experience, visit www.gemsny.com to find exquisite collections. Don’t forget to browse GemsNY reviews to see why customers trust them for quality and satisfaction.



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