1.05Ct Cobalt Spinel | Octagonal | Unheated

Discover the captivating allure of this 1.05-carat cobalt spinel, a gemstone that commands attention with its rich, saturated blue hue. Cut in a refined octagonal (emerald-style) shape, this unheated stone showcases the natural beauty and authenticity that discerning collectors and jewellery designers seek. Cobalt spinels are prized for their vivid colour saturation and exceptional clarity, making them a stunning alternative to blue sapphires.

The elegant octagonal faceting maximizes brilliance while preserving the stone's intense blue color, creating a sophisticated look perfect for statement rings, Art Deco-inspired designs, or elegant pendant settings. This loose gemstone offers exceptional VVS clarity with no visible inclusions, ensuring maximum transparency and light performance. Sourced from Sri Lanka's renowned gemstone deposits, this 1.05ct cobalt spinel combines natural artistry with lasting value, ideal for bespoke jewellery where vivid color and clarity are paramount.

This natural cobalt spinel comes with GGTL Laboratory Report certification from Sri Lanka for authenticity and quality assurance. Explore our complete spinel collection to discover more stunning natural gemstones, browse other premium varieties like sapphires, garnets, and tourmalines, or visit our FAQs page for gemstone care tips and shipping information.

Gemstone Details

Variety: Natural Cobalt Spinel

Carat Weight: 1.05 ct

Shape & Cut: Octagon (emerald-style)

Colour - Rich Saturated Blue

Clarity: VVS – eye-clean, no visible inclusions

Treatment: Unheated & untreated

Origin: Sri Lanka (Ceylon)

Certification: GGTL Laboratory Report from Sri Lanka

Highlights

Naturally unheated gemstone from Sri Lanka

Elegant octagonal cut with excellent brilliance

Rich saturated cobalt blue color

VVS clarity with exceptional transparency

Premium-quality cobalt spinel

Ideal for bespoke rings, Art Deco designs, or pendants

GGTL certified for authenticity