9.11 Ct Ethiopian Black Opal – Pear Shape Cabochon Natural Loose Gemstone
| Gem Name | Opal |
| Product Code | ASHOPL |
| Weight (carats) | 9.11cts |
| Dimensions (mm) | 19.66×12.28×8.03mm |
| Shape | pear shaped |
| Cut | cabochon |
| Color | black with playing of colors |
| Clarity | |
| Origin | Ethiopian |
| Treatment | None |
| Hardness (Mohs) | 5-6 |
| Certificate | IGA |
| Price | 40$/ct |
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9.11 Ct Ethiopian Black Opal – Pear Shape Cabochon Natural Loose Gemstone
Is there anything quite as hypnotic as holding a storm in the palm of your hand?
When you look into the depths of this 9.11 Ct Ethiopian Black Opal, you aren’t just seeing a stone; you are witnessing a geological miracle. This isn’t your average commercial-grade gem. It is a substantial, museum-quality specimen that demands attention.
For collectors and bespoke jewelry designers searching for a centerpiece that defies the ordinary, this Pear Shape Cabochon Natural Loose Gemstone offers a rare combination of significant carat weight and electric color play.
The Allure of the Welo Black Opal
While Australian opals have historically held the crown, Ethiopian opals—specifically those from the Welo province—have surged in popularity among savvy investors. Why? Because they offer an intensity of “play-of-color” that is often unattainable in other varieties without spending a fortune.
This specific gem features a deep, mysterious black body tone that serves as the perfect canvas for a vivid spectral display. As light hits the 19.66mm surface, you will see flashes of neon greens, searing reds, and electric blues dancing beneath the surface. This phenomenon, known as opalescence, creates a living, breathing piece of art.
Gemological Specifications
When buying high-value gemstones online, precision matters. Here is exactly what you are investing in:
- Weight: 9.11 Carats (A significant size, ideal for a statement pendant).
- Dimensions: 19.66 x 12.28 x 8.03 mm.
- Shape: Pear Shaped (Teardrop).
- Cut: Cabochon (Smooth dome to maximize color play).
- Color: Black base with intense multi-color play.
- Treatment: None (100% Natural).
- Mohs Hardness: 5.0 – 6.5.
- Origin: Ethiopia (Welo).
- Price: $365.00 USD.
Why the “Pear Cabochon” Cut Matters
The cutter of this stone made a strategic choice. A faceted cut on an opal is rare because it often disrupts the internal structure that diffracts light. By choosing a Pear Shape Cabochon, the lapidary has maximized the surface area, allowing the “fire” of the opal to roll smoothly across the gem as it moves.
The pear shape—reminiscent of a tear of pure fire—is incredibly versatile. It elongates the finger when set in a ring and provides an elegant drop silhouette for necklaces.
Investment Perspective: Natural vs. Treated
In the current market, “smoked” opals are common. These are lower-quality stones treated with smoke to darken the background and artificially pop the colors. This 9.11 Ct Ethiopian Black Opal is completely untreated.
Its dark body tone is natural, a rarity that significantly boosts its long-term value and desirability. In an era of synthetic and treated stones, owning a “No Treatment” specimen of this size is a hallmark of a true collection.
Caring for Your Ethiopian Opal
Ethiopian opals are hydrophane, meaning they are porous and love water. However, this unique property requires specific care to maintain the stone’s brilliance:
- Avoid harsh chemicals: Never clean this gem with ultrasonic cleaners or harsh detergents.
- Hydration: Occasionally, Ethiopian opals can absorb water and become temporarily transparent. Don’t panic; as they dry, their color returns.
- Storage: Store it separately from harder gems like Sapphire or Ruby to prevent scratches.
Designing With This Gemstone
Because of its impressive 19.66mm length, this opal shouldn’t be hidden away.
- The Statement Pendant: Set in 18k Rose Gold, the warm metal tones will contrast beautifully with the cool flashes of green and blue in the stone.
- The Cocktail Ring: Surround this pear cabochon with a halo of small white Zircon or diamonds to create a celestial look.
Frequently Asked Questions
Q: Is this Ethiopian Opal stable?
A: Yes. While Ethiopian opals are hydrophane, high-quality material like this 9.11 Ct specimen is stable. It resists cracking (crazing) better than lower-grade material, provided it is kept away from extreme heat.
Q: How does this compare to Australian Black Opal?
A: Australian Black Opal is significantly more expensive, often costing thousands per carat. This Ethiopian Black Opal offers a similar dark body tone and intense fire at a fraction of the price ($365 total).
Q: Can I wear this opal every day?
A: Opals are softer than Emeralds or Garnets. We recommend wearing this piece for special occasions or setting it in a protective bezel setting.
Ready to Add This Rarity to Your Collection?
At Wikigemia, we believe in transparency. Finding a natural, untreated Ethiopian Black Opal of this carat weight under $400 is an opportunity that does not come often.
Secure this gemstone today before another collector does.
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Explore other unique treasures in our collection: TourmalineTanzanitePearl

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