Zehra Gems

8.4x6.4mm Natural Bi Color Tanzanite Zoisite Oval Cut Unheated Loose Gemstone

Natural Gemstone
Unheated
Tanzania Origin
Jeweler Ready
1 Natural Gemstone • Ready for Setting
Regular price $307.91
Regular price Sale price $307.91

Shipping calculated at checkout.

Quantity
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Jeweler Ready

Matched layouts for fine jewelry creations.

Natural & UNHEATED

100% natural gemstones, unheated.

Tanzania Origin

Carefully selected natural gemstones.

Worldwide Shipping

Secure & insured packaging.

A rare bi-color tanzanite — showing brown and purple tones in one natural, unheated stone. Bi-color tanzanites like this are uncommon since most are heat-treated to a uniform blue-violet.

Gemstone Details
• Gemstone: Natural Tanzanite (Zoisite)
• Shape & Cut: Oval
• Size: 8.4x6.4mm
• Weight: 1.80 carats
• Quantity: 1 stone
• Color: Fancy brown-purple bi-color
• Origin: Tanzania
• Treatment: Unheated (no heat)
• Creation Method: 100% natural, mined gemstone

Why This Stone Stands Out
Unheated tanzanite is rare in the trade, and a bi-color example like this is a genuine collector's piece.

Why Buy From Zehra Gems
Every gemstone is 100% natural with transparent treatment disclosure — no lab-created or synthetic stones. Trusted by jewelry makers and designers worldwide. Ships securely and insured.

Ideal for a ring center or pendant, and a distinctive gift for December birthdays or Father's Day.

Zehra Gems

Curated gemstone layouts for jewelers and designers

Explore more: Tanzanite