Not a diamond; this gemstone appears to be Smoky Quartz with a significant inclusion/cavity at the edge.
Not a diamond; this gemstone appears to be Smoky Quartz with a significant inclusion/cavity at the edge. · Round mixed cut / Rose cut hybrid
Fair Cut
Carat
Estimated 3.00 to 4.00 carats
Color
Fancy Dark Brown (Smoky)
Clarity
I2 (Included with visible prominent inclusion and edge damage)
Shape
Round mixed cut / Rose cut hybrid
Overall Assessment
A decorative colored gemstone (smoky quartz) rather than a diamond, featuring a noticeable natural inclusion and rim damage that reduces its structural integrity and value.
Cut Quality
Fair
Brilliance
Moderate
Fire
Low (typical for quartz)
Scintillation
Fair, large facet flashes
Proportions
Non-standard artisan style cut with broad table and deep pavilion
Symmetry
Fair
Polish
Good
Fluorescence
None observed
Inclusions
Large localized mineral inclusion/cavity near the girdle
Blemishes
Chipping and abrasions along the girdle edge
Origin
Natural quartz, likely Brazil or general commercial source
Treatment Detection
Commonly irradiated to enhance smoky color, but cannot confirm without advanced testing
Estimated Value
Low value ($20 - $50 USD due to stone type and damage)
Certification Estimate
Not typically certified by major labs like GIA due to being quartz, but local gemological labs would identify it easily.
Investment Potential
None as an investment piece
Similar Diamonds
None, as this is quartz, not diamond
Setting Suggestions
Bezel setting to hide or protect the damaged edge near the girdle
Care & Maintenance
Avoid harsh impacts due to existing edge damage; clean with mild soapy water
Interesting Facts
Smoky quartz gets its natural color from free silicon formed from natural irradiation of the stone over long periods