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GSI 1.66 Carat Oval Tanzanite
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GSI Certified • In Stock

GSI 1.66 Carat Oval Tanzanite

Oval shape • BLUE color • EC clarity
$-3 Save 6295%
$171
GSI Certified
Certificate Number 73598880910

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Carat Weight ⓘ1.66 ct
Type ⓘTanzanite
Shape ⓘOval
Color ⓘBLUE
Clarity ⓘEC
Origin ⓘTANZANIA
Treatment ⓘHeated
Measurements ⓘ8.6 × 6.45 × 4.55 mm
Lab ⓘGSI
Certificate73598880910
Gemstone Insights
Color: BLUE
Color is the most important quality factor for Tanzanites. Rich, saturated hues with even distribution command the highest premiums. Learn more
Clarity: EC
Clarity expectations vary by gem type. Tanzanites are evaluated with the unaided eye; minor inclusions are acceptable in most colored stones. Learn more
Heat Treated
Industry-standard, permanent enhancement that improves color. Widely accepted and does not diminish long-term value. Learn more
Origin: TANZANIA
Origin can influence value significantly. TANZANIA is a notable source for fine Tanzanites. Learn more
GSI Certified
Certified by GSI, an independent gemological laboratory. Learn more
Gemstone Guide
Tanzanite Guide
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Certification
GSI Guide
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Treatment Guide
Gemstone Treatments
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Comparisons
Gemstone Comparisons
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