Step into the rarefied realm of top-tier mineral collection with this extraordinary Natural Achroite Tourmaline. Weighing a perfectly calibrated 1.10 carats, this gem represents one...
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All products sold comes with LBG's authenticity undertaking. There is no separate certificate issued, the invoice shall serve as the authenticity claim.
Some products would be certified through reputable domestic labs as mentioned. However, if the certifying agency is different (applicable for few products we acquire) would be mentioned in the description. The gemmological laboratories we associate with are as below:
Other certifying agencies includes Golconda Institute of Diamonds (Hyderabad) and IGITL (Jaipur).
Apart from this, customers can opt for certifications with few other internationally acclaimed laboratories for which they would be charged on actual cost of certification and transportation. This includes:
All dimensions of gemstones are provided milli meters (mm). Weights are mentioned in carats (also in grams).
Ring Size Measurement:
For gemstone size measurement we use plastic scale, please ensure you compare your available ring size to the following chart.
Click Here to calculate your ring size if you do not have access to right equipment to calculate your ring size.
Necklace Size Measurement:
Necklace for women ranges from 14 inches (chocker) to 30 inches (long chain) with sizes increasing in 2 inches. Sizes are 14, 16, 18, 20, 22, 24, 26, 28, 30 with standard sizes as 14, 18, 24 and 30.
Chains for men ranges from 18 inches (till collarbone) to 30 inches (below chest). Standard sizes are 18, 20 and 30.
Bracelet Size Measurements:
Bracelet sizes is measurement of your wrist circumference.
General Instructions:
Step into the rarefied realm of top-tier mineral collection with this extraordinary Natural Achroite Tourmaline. Weighing a perfectly calibrated 1.10 carats, this gem represents one of the rarest color varieties in the entire tourmaline species—completely Colourless (Achroite). Hailing from the world-renowned gem-bearing pegmatites of Brazil, this stone is a true collector's gem, treasured for its pristine crystalline purity and crisp, diamond-like fire.
The Rarity of True Achroite: While tourmaline is celebrated for being nature’s most colorful gem, true Achroite(derived from the ancient Greek word achroos, meaning "without color") is exceptionally scarce. Nearly all natural tourmalines contain trace metallic elements such as iron, manganese, chromium, or titanium, which impart vivid blues, greens, pinks, or yellows. Pure colorless tourmaline forms only in ultra-rare, chemically pristine geological environments completely devoid of these chromophores. High-clarity, eye-clean Achroite gems—especially untreated natural specimens from Brazil—are far rarer in nature than traditional pink, green, or watermelon varieties, making them prized centerpieces for serious gemological collections.
The AAA+ Emerald Cut Precision: Sculpted into a classic, crisp Emerald Cut, this gemstone features balanced dimensions of 6.8mm x 4.5mm with a strong 3.9mm depth. Graded at an elite AAA+ Quality, it exhibits exceptional Eye Clean transparency, allowing light to bounce through its step-cut facets with razor-sharp brilliance. Kept 100% natural and completely untreated, this gem is entirely free from heat treatment, irradiation, or clarity enhancements—preserving its natural crystalline structure exactly as Earth created it.
Gemstone Category: Natural Colorless Tourmaline (Achroite)
Grade: AAA+ (Collector Grade / High-End Fine Jewelry)
Carat Weight: 1.10 Carats
Color: Pure Colorless (Water-Clear)
Dimensions: 6.8mm x 4.5mm x 3.9mm
Shape/Cut: Emerald Cut (Step Cut)
Origin: Brazil
Clarity: Transparent, Eye Clean
Treatment: 100% Natural (No Heat, No Radiation, No Treatments)
At Let's Buy Gems by Syamantakamani, we celebrate the extraordinary natural diversity of Earth's finest minerals. Most commercial stones achieve extreme clarity or specific hues through synthetic laboratory heat or irradiation. Because this Brazilian Achroite possesses pure natural transparency and zero treatment, its crisp architectural beauty, structural integrity, and collector value will remain unaltered across generations.
Transparency is the foundational cornerstone of our curation process. This natural Brazilian Achroite Tourmaline is curated to meet strict standards of gemological authenticity, consistent with our premium inventory at letsbuygems.com. Every single piece is fully eligible for independent, third-party laboratory verification to confirm its 100% un-heated status, natural origin, and precise dimensions for your complete peace of mind.
The crisp 6.8mm x 4.5mm Emerald Cut silhouette offers a sophisticated, modern aesthetic for bespoke jewelry design. Its sleek rectangular lines and glass-like transparency make it an exceptional candidate for a high-end 18K white gold or platinum ring, an elegant minimalist solitaire pendant, or a striking architectural accent piece in a fine jewelry collection.
This authentic piece, along with many other natural treasures, is proudly offered by letsbuygems.com, your trusted partner for certified, natural gems.
|
Type |
Natural Tourmaline (Achorite) |
|
Specification |
Ethiopian Emerald, Oval Mix Cut |
|
Weight |
1.10 |
|
Mohs Scale (Absolute Hardness) |
7-7.5 |
|
Refractive Index |
1.62 (Range 1.624-1.644) |
|
Specific Gravity |
3-3.10 |
|
Dimensions |
6.8mm x 4.5mm x 3.9mm |
|
Colour |
Water Clear |
|
Clarity |
Transparent, Eye Clean |
|
Cut |
Emerald Cut |
|
Treatment |
No Treatment |
|
Origin |
Brazil |
|
Certification |
DHC International Gemlab (Included) |
|
Packaging |
Loose Gem box packaging |
|
Ideal Uses |
Collection, Ring, Bracelet, Pendant etc. |
|
Unique Features |
Eye Clean, Water Clear |
