6.91ct Natural Tanzanite Cat's Eye | Rare Untreated Tanzanian Oval TAZ02

A Phenomenal Rarity: The Elusive Tanzanian Eye Experience the mesmerizing mystique of one of the world’s rarest gemstone phenomena. While faceted Tanzanites are prized for their color, this 6.91-carat Natural Tanzanite Cat’s Eye belongs to an elite tier of collector’s specimens. Sourced from the singular Merelani Hills of Tanzania, this gemstone displays a sharp, silvery "eye" or chatoyancy that glides across its velvety blue surface. It is a breathtaking marriage of the Earth's rarest blue mineral and a captivating optical effect.

Why This Tanzanite Cat's Eye is a Premier Acquisition

• True Geological Anomaly: Chatoyancy in Tanzanite is exponentially rarer than in other gemstones, making this a cornerstone asset for any serious "phenomenal gem" collection.
• 100% Natural & Untreated: In a market where nearly all Tanzanite is heat-treated, this specimen is entirely natural. Its rich blue hue and internal fire are exactly as they were formed millions of years ago.
• Elite VVS Clarity: Finding a chatoyant cabochon with VVS (Very, Very Slightly Included) clarity is a gemological triumph. The internal purity ensures the "eye" remains crisp, bright, and unobstructed.
• Significant Investment Size: At nearly 7 carats, this stone offers the substantial scale and weight required for a high-value museum-tier portfolio.
• Superior Light Performance: Hand-selected for its "Excellent" luster, the stone reacts vibrantly to light, creating a rhythmic dance of color and chatoyancy.

Gemstone Specifications

• Weight: 6.91 Carats
• Dimensions: 11.6 x 9.1 x 7.2 mm
• Color: Deep Crystalline Blue
• Clarity: VVS (Very, Very Slightly Included)
• Shape: Oval Cabochon
• Phenomenon: Strong Chatoyancy (Cat's Eye)
• Origin: Merelani Hills, Tanzania
• Treatment: 100% Natural (Untreated)

Secure a Masterpiece of Phenomenal Nature Whether you are an investor looking for an unheated rarity or a designer creating a bespoke "Conversation Piece" ring, this 6.91ct Tanzanite Cat's Eye is a peerless choice. Add this rare Tanzanian treasure to your collection today and own a piece of Earth's rarest light.