About Alexandrite
Alexandrite, a variety of Chrysoberyl with a hardness of 8.5 on the Mohs scale. Is one of the most desired and sought-after gemstones in the world. From a rarity perspective it outranks most well-known gemstones. Alexandrite has some impressive properties of colour change and sometimes also cat’s eye phenomenon.
The unusual colour change phenomenon has meant that Alexandrite has been described as “emerald by day, ruby by night”. This description reveals that the colour change is as a result of different lighting conditions where the stone colour will change in evening light (in incandescent light or candles) from natural daylight. The degree of colour change, and what colours the stone changes between, varies significantly from stone to stone.
The colour changes vary in rarity with bluish green to purplish red; bluish green to light blue being the rarest and the most desirable. Light greenish yellow to light orange being more common (see below diagram). The cost of Alexandrite is driven by size of gemstone, stone clarity, colour intensity and strength of colour change.
Alexandrite is generally obtained in mines dedicated to other gemstones or in small deposits along with chrysoberyls. Alexandrite mainly comes from Brazil, India, Madagascar, Sri-Lanka, Tanzania and Russia.
Alexandrite is a birthstone for June and November. Alexandrite is also the gem for the 55th wedding anniversary.
Alexandrite Jewellery at EVGAD
We exclusively deal in natural Alexandrite - geologically-formed not man-made! We have rings, earrings and pendants featuring Alexandrite that can be ordered in all precious metals. Our custom jewellery service can create bespoke Alexandrite jewellery designs: whatever you imagine, within the laws of physics, we can make. The average gem cut Alexandrite is 0.2ct and at EVGAD we stock a range of sizes up to 2ct. With our network of trusted gemstone dealers, we can also source larger Alexandrite stones as per customer request.
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