4.76 ct “Cobalt Blue”_Unheated Cobalt Blue Spinel

A Magnificent Natural Unheated Cobalt Blue Spinel

An Exceptional and Rarity-Defined 4.76-Carat Natural Cobalt Blue Spinel.  Weighing an impressive 4.76 carats, this exemplary specimen boasts an intensely saturated, vivid blue hue directly attributed to the presence of natural cobalt trace elements. Remarkably unheated and entirely free from artificial enhancement, the gem retains its pure, unaltered geological character—a trait of paramount significance to the discerning connoisseur.

The crystal has been masterfully fashioned into a refined, elongated cushion-shaped cut with substantial dimensions of 11.7 x 8 x 5.8 mm. Its sophisticated faceting creates an exquisite internal architecture, maximizing light return and exhibiting a striking brilliance that commands attention. Combining an elusive color profile, an impressive face-up size, and pristine natural origin, this remarkable spinel represents a premier acquisition for avant-garde collectors and high-end jewelry designers alike.

• Gemstone Type: Natural Spinel (Variety: Cobalt Blue)

• Weight: 4.76 carats

• Dimensions: 11.7 x 8 x 5.8 mm

• Enhancement: None (No Heat / Unheated)

• Cut/Shape: Elongated Cushion / Modified Oval Brilliant

**Why You’ll Love It**

– **Vivid Cobalt-Blue Hue**: Deep, oceanic colour prized by collectors
– **Brilliant Cushion**: 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.