Mahenge Spinel
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Aquamarine
Natural Aquamarine 6.3 Carat
Price range: $718.00 through $723.00
| Feature | Description |
|---|---|
| Gemstone | Natural Aquamarine |
| Carat Weight | 6.3 carats |
| Color | Bright sky blue |
| Clarity | Excellent transparency |
| Shape/Cut | Cushion Cut |
| Dimensions | 13 mm x 11 mm x 6.7 mm |
| Cut Quality | Well-faceted to enhance brilliance and color |
| Use | Ideal for rings, pendants, or bespoke fine jewelry |
Introducing a truly remarkable gemstone—this 6.3-carat Natural Aquamarine radiates elegance with its luminous sky-blue hue and exceptional clarity. Large, vibrant, and beautifully cut, this aquamarine captures light effortlessly, revealing a soft brilliance that enhances its soothing and refined color.
With its impressive size and eye-clean transparency, this gemstone is perfectly suited for a statement ring, a luxurious pendant, or any custom jewelry piece that calls for a captivating centerpiece. The stone’s naturally calming blue tone symbolizes clarity, balance, and tranquility, making it both visually stunning and meaningful for the wearer.
Whether you are a jewelry designer seeking a premium gemstone or a collector looking for an extraordinary aquamarine, this 6.3-carat treasure combines beauty, rarity, and enduring charm. Its graceful color and luminous presence ensure it will become a cherished piece in any fine jewelry collection.
Related Products
| Category | Detail / Feature |
| Gemstone Overview | Natural Cobalt Blue Spinel (0.09 Carat Oval Cut) |
| Visual Characteristics | Bright, crisp sky blue tone with a lively, electric play of light, sharp faceting, and excellent clarity. |
| Stone Type | Natural Cobalt Spinel |
| Weight | 0.09 Carats |
| Color | Bright Sky Blue / Cobalt Blue |
| Origin | Mahenge, Tanzania |
| Shape / Cut | Oval Cut (Faceted) |
| Dimensions | 3.39 x 2.4 x 1.45 mm |
| Clarity | Eye-Clean |
| Treatment | Unheated / Untreated (100% All-Natural) |
| Key Highlights | Cobalt-driven open blue hue, sourced from the renowned Mahenge region, 100% unheated purity, and ideal for precision custom jewelry. |
| Ideal Uses | Delicate accent stone in a multi-gem layout, custom ring accent, or a fine addition to a mineral capsule collection. |
| Packaging & Presentation | Shipped safely in a premium gemstone specimen box designed for viewing, presentation, and long-term protection. |
| Shipping | Fully trackable, insured express courier worldwide. |
| Custom Jewelry Service | Bespoke design services available to collaborate with their team and turn the gemstone into custom fine jewelry. |
1 in stock
| Feature | Details |
|---|---|
| Gemstone | Natural Aquamarine |
| Carat Weight | 9.25 ct |
| Color | Light icy blue |
| Clarity | Excellent – eye clean |
| Measurement | 12.3 mm x 12.3 mm x 8.8 mm |
| Shape | Cushion |
| Use | Ideal for rings, pendants, or collector pieces |
| Feature / Category | Details |
| Gemstone Name | Unheated Natural Malaya Garnet |
| Weight | 2.95 Carats |
| Gem Type | Natural Malaya Garnet |
| Origin | Tanzania (Umba River Valley) |
| Shape / Cut | Round Cut (Brilliant) |
| Dimensions | 7.93 x 6.45 mm |
| Color | Passion Pink-Purple (rare blend of rich pink and deep purple tones with color-shift properties) |
| Treatment | None (100% Natural & Untreated) |
| Ideal For | Custom Engagement Rings, Fine Jewelry, Statement Pendants, Gem Collectors |
| Key Highlights | • Rare and sought-after variety of the garnet family • Excellent durability (7 to 7.5 on the Mohs scale) • Incredible brilliance with enchanting blush, magenta, and reddish-violet tones |
| Additional Info | • Carefully selected and pictured in natural light • Message available for questions or custom setting requests |
A collector-grade cushion-cut Mahenge spinel with extraordinary color saturation and very strong fluorescence.
| Attribute | Details |
|---|---|
| Weight | 4.12 ct (cushion cut) |
| Color | Vivid Red-Pink (very strong fluorescence) |
| Clarity | Slightly included (SI) |
| Origin | Tanzania (Mahenge) |
| Treatment | None (100% natural) |
| Cut Grade | Very Good (precision cut) |
| Jewelry Use | Ring, Pendant |
Key Highlights:
✔ Dual-Color Phenomenon (Red-Pink)
✔ Untreated Collector’s Piece
✔ Investment-Grade Rarity
| Category | Detail / Feature |
| Gemstone Overview | Natural Cobalt Blue Spinel (0.09 Carat Oval Cut) |
| Visual Characteristics | Bright, crisp sky blue tone with a lively, electric play of light, sharp faceting, and excellent clarity. |
| Stone Type | Natural Cobalt Spinel |
| Weight | 0.09 Carats |
| Color | Bright Sky Blue / Cobalt Blue |
| Origin | Mahenge, Tanzania |
| Shape / Cut | Oval Cut (Faceted) |
| Dimensions | 3.39 x 2.4 x 1.45 mm |
| Clarity | Eye-Clean |
| Treatment | Unheated / Untreated (100% All-Natural) |
| Key Highlights | Cobalt-driven open blue hue, sourced from the renowned Mahenge region, 100% unheated purity, and ideal for precision custom jewelry. |
| Ideal Uses | Delicate accent stone in a multi-gem layout, custom ring accent, or a fine addition to a mineral capsule collection. |
| Packaging & Presentation | Shipped safely in a premium gemstone specimen box designed for viewing, presentation, and long-term protection. |
| Shipping | Fully trackable, insured express courier worldwide. |
| Custom Jewelry Service | Bespoke design services available to collaborate with their team and turn the gemstone into custom fine jewelry. |
1 in stock
Vibrant Pink Mahenge Spinel | 3.26 ct (Natural & Untreated)
A stunning investment-grade spinel from Tanzania’s famed Mahenge region, featuring exceptional color saturation.
| Feature | Specification |
|---|---|
| Weight | 3.26 carats |
| Shape | Cushion (10.54×8.12×4.79 mm) |
| Color | Vibrant Pink (strong fluorescence) |
| Clarity | Slightly Included (SI) |
| Origin | Tanzania, Mahenge |
| Treatment | None (100% natural) |
| Cut Quality | Excellent (GS precision cut) |
| Jewelry Options | Ring, Pendant |
Key Advantages:
✔ Collector’s gemstone
✔ Untreated natural rarity
✔ Ideal for custom designs
| Feature | Description |
|---|---|
| Gemstone | Natural Aquamarine |
| Carat Weight | 5.93 carats |
| Color | Vibrant Ice blue |
| Clarity | Eye-clean with excellent transparency |
| Shape/Cut | Emerald Cut |
| Dimensions | 12 mm x 10.1 mm x 6.7 mm |
| Cut Quality | Brilliantly faceted for maximum light return |
| Use | Ideal for rings, pendants, or custom fine jewelry |
| Item Specifications | Details |
|---|---|
| Gemstone | Natural Spinel |
| Origin | Mahenge, Tanzania |
| Weight | 7.7 Carats (Exceptional size for this origin) |
| Dimensions | 12.4 × 9.12 × 6.12 mm |
| Color | Milky Soft Pink / Neon Peach-Pink |
| Clarity | Translucent (Natural “Silky” or “Velvety” effect) |
| Treatment | None (100% Natural) |
| Shape / Cut | Rectangular Emerald Cut |
| Hardness | 8 on the Mohs Scale |
Discover the timeless elegance of this 2.95-carat Emerald-Cut Aquamarine, a gemstone that radiates clarity, sophistication, and a serene icy-blue glow. Cut in the classic emerald shape, this stone showcases long, mirror-like step facets that emphasize its purity and natural luminosity. The emerald cut is celebrated for its refined symmetry, making it a favorite for high-end engagement rings and luxury jewelry designs.
This aquamarine displays an exceptionally clean appearance, with eye-clean clarity that enhances the stone’s calming pastel blue tone. The color is soft yet vibrant—perfect for anyone seeking a gemstone that balances elegance with subtle brilliance. Professionally faceted to maximize shine, the stone offers a sleek, elongated silhouette that flatters both contemporary and vintage-inspired settings.
Measuring approximately 11 mm x 7.7 mm x 4.9 mm, this 2.95-carat aquamarine is a versatile size for custom rings, pendants, or statement pieces. Whether you are a collector, a jewelry designer, or shopping for a unique centerpiece gemstone, this aquamarine is a beautiful choice that promises long-lasting beauty and style.
Treat yourself or someone special to a gemstone that symbolizes clarity, calmness, and protection.
A dazzling cushion-cut Mahenge spinel from Tanzania, prized for its vivid color and collector-grade rarity.
| Attribute | Details |
|---|---|
| Weight | 5.72 ct (cushion cut) |
| Color | Vibrant pink-red (strong fluorescence) |
| Clarity | Slightly included (SI) |
| Origin | Tanzania (Mahenge) |
| Treatment | None (100% natural) |
| Dimensions | 9.97 × 9.82 × 7.37 mm |
| Cut Grade | Excellent (GS precision cut) |
| Jewelry Use | Ring, Pendant |
Why Choose This Gem?
✔ Untreated rarity | ✔ Investment-grade | ✔ Custom jewelry-ready
| Attribute | Details |
|---|---|
| Gemstone | Mahenge Spinel |
| Shape | Heart |
| Carat Weight | 3.37 ct |
| Color | Orange-Red |
| Origin | Mahenge, Tanzania |
| Measurements | 9.37 mm x 11.5 mm x 4.75 mm |