0.99 ct “Congo Cobalt”_Unheated Blue Spinel

“Natural, Untreated Congo cobalt blue spinel — 0.99 ct, with a characterful inclusion and radiant, untamed color”

In the quiet reverie of gemology, this natural, unheated cobalt blue spinel from the Congo stands as a testament to the earth’s enduring palette. A vividly saturated gemstone, its cushion-oval silhouette and pristine facets capture and refract light with disciplined brilliance, revealing deep cobalt and electric ultramarine glints that dance across a flawless surface. Its natural origin, pristine cut, and the presence of a characterful inclusion contribute to its distinctive charm and value within a thoughtful gemological collection. Weighing approximately 0.99 ct and measuring 6.2 × 4.7 × 4.6 mm, it embodies a rare intersection of intense color, natural origin, and exquisite cut—an heirloom-quality piece that speaks to the discerning collector and the trained eye of the gemologist. The specimen is natural and untreated (no heat), a rarity among cobalt blues that elevates its desirability for serious collectors and professionals.

**Why You’ll Love It**

– **Vivid Cobalt-Blue Hue**: Deep, oceanic colour prized by collectors
– **Oval Brilliant**: Exceptional fire, scintillation & depth
– **Unheated**: 100 % natural—no treatments or enhancements
– **Durable**: Spinel rates 8 on the Mohs scale—ideal for everyday wear

**Shipping & Returns Guarantee**

• Insured worldwide shipping: Orders are insured in transit and tracked from dispatch to delivery. Free shipping on orders totaling 1,000 USD or more.
• Inspection: 14-day inspection period with a full refund if not completely satisfied (buyer covers return postage).
• Photos & Color: All photos are taken in neutral daylight to show true color; but actual color may vary across screens.
• Certificate: Certificate of authenticity available on request. Daylight video or extra verification footage can be provided on request.
• How to get help: Questions or to start a return? Use our contact page or call during business hours.
• Optional: Exchange available (subject to availability). Refunds issued 3–5 business days after receipt and inspection.

**Custom Orders**

We’re delighted to collaborate on bespoke designs tailored to your vision. From precious metal selection to setting style and sizing, our team will guide you through every detail to create a piece that’s uniquely yours.