Tourmaline 3.57 ct | Cushion | Mint Green | Rubaya, Congo
Vibrant Mint Green Tourmaline (3.57 ct) from the Congo, cut as an elegant elongated cushion with excellent brilliance. The stone is distinctly pleochroic, showing two attractive tones: a bluish-green core with yellowish-green edges, creating lively depth and movement. Expertly precision-finished by our in-house cutter for a bright, refined sparkle.
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643.00$
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Description
This exceptional 3.57 ct Mint Green Tourmaline from the Congo stands out for its fresh, energetic color and its elegant elongated cushion shape. Tourmaline is famous for its pleochroism, and this gem displays it beautifully—adding depth, character, and a premium “alive” look in different lighting and viewing angles.
Lively mint color with natural two-tone character (pleochroism)
The gemstone shows a striking, elegant color interplay:
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Bluish green in the center of the stone
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Yellowish green along the edges
This subtle two-tone effect is not a flaw—it’s a natural optical feature of tourmaline and one of the reasons collectors and designers love the gem. It gives the stone a dynamic appearance, with color shifting and depth as the gem moves.
Elongated cushion — modern and refined
The long cushion outline is both timeless and contemporary: soft corners, a graceful silhouette, and a flattering shape for rings and pendants. It offers a sophisticated alternative to standard ovals while keeping a classic, elegant feel.
Precision cutting for full brilliance
This tourmaline was refined and perfected by our in-house cutter, with careful attention to symmetry, proportions, and light performance. The result is a bright, lively gem that returns light beautifully, enhancing both the mint color and the pleochroic two-tone effect.
Ideal for standout jewelry
A mint tourmaline of this size and character is perfect for:
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elegant statement rings
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refined pendants
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bespoke designs that highlight fresh green color
A vivid, pleochroic mint-green tourmaline with expert cutting—full of life, color depth, and brilliance.
Additional Information
Every gemstone purchased from Gem Fountain includes a free Gem Fountain Gemstone Report, provided as a PDF file, documenting the key characteristics and authenticity of the stone.
For customers who require independent laboratory verification, we offer the option to add third-party gemstone reports. Upon selection, the gemstone will be submitted to the chosen accredited gemological laboratory. Estimated fees and processing times are as follows:
- BGL – Brief Report: USD 19
Processing time: approximately 1–2 business days - AIG – Brief Report: USD 38
Processing time: approximately 7–8 business days - LOTUS – Soft Cover Report: USD 128
Processing time: approximately 7–8 business days
All external reports are optional and can be selected as an add-on prior to shipment. Processing times may vary slightly depending on laboratory workload.
All gemstones are shipped directly from Thailand, one of the world’s leading gemstone trading hubs. We deliver to almost all countries worldwide, using reliable and insured shipping partners to ensure safe and secure delivery. Each order is carefully packaged, and tracking details are provided once the shipment has been dispatched. Delivery times may vary depending on destination and local customs procedures. Any applicable duties, taxes, or import fees are the responsibility of the recipient.
We offer flexible payment options to accommodate our international clientele. Most common payment methods are accepted at checkout. Customers who choose to pay via wire transfer (Wise) receive a 5% discount, which can be selected directly during the checkout process.
Specification
Overview
| Total Carat | 3.57 ct / 1 pcs |
|---|---|
| Country of Origin | Congo |
| Region / Mine | Rubaya |
| Saturation / Tone | Rich |
|---|---|
| Shade | Mint |
| Color | Green |
| Transperency | Transparent |
|---|
| Stone Type | Type I |
|---|
| Clarity | VS |
|---|
| Dimensions 1 (L/W/H) | 11.60 x 7.00 x 5.60 mm |
|---|
Treatment
No indication of artificial enhancement.
Read more about common gemstone treatments →
