0.98ct Natural Mahenge Cobalt Blue Spinel – Rare Cushion Cut Gem COBS15

Azure Brilliance: 0.98 Carat Mahenge Cobalt Spinel

Experience the electric allure of this 0.98-carat Mahenge Cobalt Spinel, a gemstone of extraordinary rarity sourced from the world-famous Mahenge mines of Tanzania. Cobalt Spinels are among the most coveted treasures in the gem world, prized for their intense, naturally occurring Royal Blue saturation that rivals the finest sapphires.

Exceptional VS Clarity & Radiant Luster

This specimen is a true collector's find. Despite the rarity of blue hues in Mahenge deposits, this stone boasts VS (Very Slightly Included) clarity, ensuring a crystal-clear appearance that allows light to dance through its precision Cushion cut. With Excellent luster, this gemstone exhibits a "neon" brilliance that remains vivid even in low-light environments.

Technical Specifications

• Gemstone Type: 100% Natural Cobalt Spinel
• Weight: 0.98 Carats
• Dimensions: 6.3 x 5 x 3.6 mm
• Shape/Cut: Cushion
• Color: Royal Blue (Cobalt)
• Clarity: VS (Very Slightly Included)
• Luster: Excellent
• Origin: Mahenge, Tanzania
• Treatment: None (100% Natural & Untreated)

The Collector’s Choice for Bespoke Fine Jewelry

A Cobalt Spinel of this quality is a "must-have" for gemstone aficionados seeking high-end Tanzanian treasures.

• Unique Custom Jewelry: Its 6.3mm cushion profile is perfectly suited for an avant-garde solitaire ring or a sophisticated pendant.
• Pure Authenticity: Entirely unheated and untreated, this stone retains its raw, earth-mined energy.
• Rare Investment: As Mahenge production fluctuates, untreated Cobalt Spinels under 1 carat continue to see rising demand among sophisticated investors.