Tanzanite Gemstone Appraisal

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Round Brilliant Cut Tanzanite or Synthetic Sapphire

This item is a large, circular gemstone featuring a round brilliant cut. The stone exhibits a deep, vibrant violet-blue hue, characteristic of high-grade tanzanite or a high-quality synthetic sapphire. The color saturation is intense, with significant pleochroism indicated by the shifting violet and royal blue flashes within the facets. Physically, the gemstone appears to be of substantial carat weight, likely exceeding 5 carats given its visual scale relative to the mounting surface. The facet arrangement is highly precise, showing sharp meets and a symmetrical table, which suggests modern high-quality lapidary work. Under magnification, the internal clarity appears high, though there are visible surface artifacts such as dust or minor oil residue. There are no immediate visible fractures or major inclusions, indicating 'eye-clean' quality. While no maker's mark is present on the loose stone, the craftmanship in the cutting indicates a professional, contemporary technical standard. The stone is resting on a textured white jewelry pad, likely for inspection or display. Without spectroscopic testing, the exact chemical composition (natural zoisite vs. lab-grown corundum) cannot be definitively stated, but the aesthetic quality is exceptional.

Estimated Value

$4,500 - $7,000

Example of a recent Tanzanite Gemstone appraisal

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How Our AI Tanzanite Gemstone Appraisal Works

Upload Your Photo

Take a clear photo of your Tanzanite Gemstone and upload it to our platform. One photo is all you need.

AI Analysis

Our advanced AI technology analyzes your item.

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Getting the Best Appraisal

Use good lighting to capture all details
Place item on a neutral background
Include any identifying marks or labels
Ensure the entire item is visible in frame

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We use cutting-edge AI to provide valuation estimates. For official appraisals, insurance, or sale purposes, we recommend consulting with certified appraisers for insurance or sale purposes.

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