Strong Color-Change 2.56ctw 6.72-6.87mm Brazilian Alexandrite Matched Pair, Appraised At $25,600 Item: XTR376
Only 1 item left Price: $11,520.00
Product Description for Strong Color-Change 2.56ctw 6.72-6.87mm Brazilian Alexandrite Matched Pair, Appraised At $25,600The most important factor in valuing an alexandrite is the strength of the color change, and for the Vault, only the best would do. The color change in this alexandrite is truly desirable. In addition to the strength of its color change, alexandrite's value is impacted by its rarity. There are only a few places in the world where it has ever been found. While most alexandrite is believed to come from Russia, Sir Lanka is usually the source of what little appears on the market, and that typically isn't much.
Before the Henatita Mine was discovered in Brazil in 1987, our buyers could spend five days or more searching and buying in Sri Lanka, only to come home with a few pieces. Through their decades of experience in the gem industry, we realize that we're fortunate to be able to offer a few select pieces of strong color-change alexandrite in the Vault, and the lucky collectors who buy them will be even more fortunate. This pair is appraised at $25,600.
Product Information for Strong Color-Change 2.56ctw 6.72-6.87mm Brazilian Alexandrite Matched Pair, Appraised At $25,600
| Product Type: | Matched Pair |
Primary Stone / Alexandrite
| Shape: | Round | Composition: | Natural |
| Cut: | Mixed Cuts | Treatment: | Untreated |
| Color: | Green | Gemstone Group: | Chrysoberyl |
| Dimensions: | 6.72 MM - Not Calibrated | Origin: | Brazil |
| Count: | 2.00 | Origin: | Brazil |
Care and Handling of Strong Color-Change 2.56ctw 6.72-6.87mm Brazilian Alexandrite Matched Pair, Appraised At $25,600 |
| Learn more about proper care of your gemstones and jewelry by visiting our Gemstone Enhancements and Treatments page. |
 home learning library alexandrite
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Fast Facts
| A member of the Chrysoberyl family, alexandrite holds a prized and highly priced position among jewelry and gem collectors. |
| A color change stone, alexandrite can appear green in daylight and change to a raspberry color in incandescent light, but other color changes are also highly prized. |
| Alexandrite was discovered in 1830 in the Ural Mountains on the day Czar Alexander II came of age, and thus the stones were named in his honor. |
 The primary sources for alexandrite are Sri Lanka, Brazil, Burma (Myanmar), Madagascar and Russia.
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Alexandrite is a highly prized variety of chrysoberyl. Alexandrite only forms when aluminum/beryllium and chrome (which rarely occurs in nature) come together, accounting for its rarity. On Mohs’ scale of hardness, alexandrite is 8.5. It has a strong vitreous luster and primary sources include Sri Lanka, Zimbabwe, and Brazil (Minas Gerais).
Color
Alexandrite is typically found in blue, blue-green, and brownish-green shades. However, this phenomenal gem is known as "emerald by day, ruby by night" because of its ability to change color, depending on the type of light in which it's viewed. In the daylight and fluorescent light, alexandrite appears in shades of blue and green, but in tungsten (incandescent) light, it appears in shades of red. Other alexandrite color changes are possible (from blue to purple, from greenish blue to reddish blue, from brownish-green to brownish-red, etc.) and also highly prized.
   
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