0.62 Ct. Alexandrite from Tanzania

There are gemstones that catch the eye, and then there are gemstones that capture a rare and private kind of admiration reserved for a small, discerning circle of collectors and connoisseurs. This 0.62 carat oval alexandrite from Tanzania is one of those rare jewels, offered to you with the quiet confidence of The Natural Gemstone Company. Transparent and cut with a mixed brilliant style, it was fashioned to maximize life and scintillation while preserving the pure natural character of the rough. Its green to brown color change is immediate and intriguing, revealing different moods of color depending on the light, and that uncommon metamorphosis is the reason alexandrite has been admired by royalty and collectors for more than a century. This single stone is not a mass produced item, it is a unique presence, a gem that will sit at the heart of a bespoke creation or a discrete private collection, and owning it means possessing something that, by its nature and origin, will be available to only a very few.

The technical qualities of this alexandrite explain why it stands apart from more common gems, and why its brilliance often feels more complex and rewarding than that of familiar stones. At 5.40 x 5.14 x 2.92 mm and cut as an oval mixed brilliant, it balances depth and table area to deliver vivid flashes of light and a lively face up appearance. Compared to sapphires, which are prized for saturated stable color, this alexandrite brings a dynamic color response that alters the emotional tone of a piece of jewelry as the wearer moves from daylight to evening light. Compared to emeralds, which tend to be deeply verdant but often require clarity compromises and clarity enhancement, this alexandrite is transparent and eye pleasing with a clarity grade of very slightly included as evaluated at eye level, allowing light to dance through every facet without the distraction of heavy internal features. Compared to common green stones such as peridot or tourmaline, which can be bright and attractive but lack the chameleon quality of alexandrite, this gem offers a rare optical event that few other natural gems can match. The mixed brilliant cut enhances brilliance and fire, creating scintillation patterns that are reminiscent of fine diamonds, while its color behavior is uniquely alexandrite. It carries an intense color intensity and an excellent polish, and importantly it is free of enhancement, which means the stone presents its inherent character without treatment, a trait that has a powerful appeal for collectors and fine jewelers.

Provenance and integrity complete the value story of this jewel, and they are details that serious buyers notice. Origin is Tanzania, a source that has produced some of the world s most interesting and collectible alexandrite specimens, and the lack of enhancement places this stone in a higher tier than many commercially treated gems. The mixed brilliant oval shape at 0.62 carat makes it an ideal centerpiece for a custom ring or pendant where the viewer can appreciate the color change and the lively faceting from many angles. Because alexandrite of this quality is scarce, The Natural Gemstone Company presents this gem as part of a curated selection, intended for buyers who seek rarity and provenance as much as beauty. If you wish to commission a bespoke setting, or prefer to reserve this stone for a collection, our team can advise on designs that will best showcase the green to brown color shift, and we can provide guidance on how to care for and present the gem so that it continues to delight over a lifetime. Owning this alexandrite is an invitation to join an exclusive circle of collectors who appreciate not only the visual splendor of a fine gem, but also the story, the origin, and the assured authenticity that come with a natural, untreated treasure from The Natural Gemstone Company.