Unheated Tanzanian Oval Cobalt Blue Spinel

This natural unheated cobalt blue spinel, weighing 1.02 carats, is created for jewelry lovers who appreciate natural gemstones, refined craftsmanship, and luxurious detail. It is presented in a beautiful oval shape with an elegant polished gemstone finish.

The cobalt blue gemstone tone gives the stone a strong visual presence, while the oval shape adds light, depth, and character. The design keeps the focus on color, balanced proportions, brilliance, and a polished fine-jewelry finish. Its unheated condition adds important product-specific character and buying confidence. A GRS report adds independent identification details and greater confidence for collectors and fine-jewelry buyers. Its listed Tanzania origin adds further provenance to the gemstone profile.

Key Features

• Natural spinel weighing 1.02 carats

• Oval shape with Brilliant/step cut

• Cobalt Blue gemstone tone

• Natural gemstone character with a polished finish

• Treatment listed as Unheated

• Report listed as GRS

• Origin listed as Tanzania

• Product-specific details retained from the source listing

• Selected natural gemstone quality

Cobalt Spinel Luxury With Fine Jewelry Appeal

This gemstone is a beautiful option for customers looking for natural cobalt spinel with a premium feel and vivid visual presence. Its rich blue character, polished brilliance, and distinctive gemstone identity bring confident color to custom jewelry while maintaining a refined and luxurious appearance.

Whether selected for a distinctive ring, a milestone gift, a pendant design, earrings, or a collector-focused jewel, this cobalt spinel adds a confident finishing touch.