- Stone11
- Reports3











0.55 Ct. Alexandrite from Tanzania
This loose stone ships by Jun 6
Item ID: | K23037 |
|---|---|
Dimensions (MM): help | Length: 5.4 Width: 4.11 Height: 2.89 |
Weight: | 0.55 Ct. |
Color: help | Yellowish Green to Reddish Green |
Color intensity: help | Intense |
Clarity: help | Very Slightly Included |
Shape: help | Cushion |
Cut: | Mixed Brilliant Cut |
Cutting style: | Faceted |
Enhancements: help | No Enhancement |
Origin: help | Tanzania |
Per carat price: help | $2,000 |
Millions of years ago, deep beneath what is now the highlands of Tanzania, intense heat and pressure conspired with rare trace elements to create a mineral of extraordinary character, this alexandrite. In pockets of metamorphic rock, chromium rich fluids threaded through schists and gneisses, seeding tiny crystals that grew slowly and steadily over geological time, layer by layer. As the crystal lattice formed, minute variations in composition and the presence of chromium and vanadium tuned the way the stone absorbs light, giving rise to the famed color change that makes alexandrite so coveted. When those crystalline structures were finally exposed at the surface by erosion and tectonic uplift, they revealed a gem that shifts from a yellowish green in daylight to a warm reddish green in incandescent light, a living record of the forces that forged it millions of years ago.
For the customer seeking the perfect symbol for a proposal or a rare centerpiece for a collector, this Tanzanian alexandrite is the answer, it presents a balance of rarity, beauty, and natural authenticity that ends the search. We offer a 0.55 carat cushion shape alexandrite, dimensions of 5.40 by 4.11 by 2.89 mm, with a mixed brilliant cut that maximizes its brilliance and color play, and an excellent polish that allows light to dance across its facets. The clarity grade is very slightly included, evaluated at eye level, which means the stone appears clean to the naked eye while retaining natural character under magnification. Its intense color intensity is immediately striking, and the stone is untreated, with no enhancement, preserving the integrity of its natural formation. Certified to confirm the color change and Tanzanian origin, this alexandrite comes to you through The Natural Gemstone Company, where we match discerning needs with exceptional gems. If you are looking for an engagement ring that is both unique and meaningful, or a collector piece that embodies geological history and gemological rarity, this alexandrite answers that quest. Let us help you make this rare, naturally formed treasure the centerpiece of your story.






















