Natural rough diamond
Natural rough diamond · Uncut rough pebble / irregular crystal form
Not applicable (uncut rough crystal) Cut
Carat
Estimated 3.5 to 5.0 carats based on visual dimensions
Color
Fancy brownish-yellow or brownish-orange
Clarity
SI2 to I1 (estimated for rough interior)
Shape
Uncut rough pebble / irregular crystal form
Overall Assessment
An interesting, warm-toned natural rough diamond crystal illuminated from below, showing good translucency and potential for a custom-cut fancy colored gemstone.
Cut Quality
Not applicable (uncut rough crystal)
Brilliance
Low in rough state; will exhibit high brilliance once properly faceted and polished
Fire
Obscured by rough exterior and body color, but potential for dispersion once cut
Scintillation
None in current rough form
Proportions
Not applicable to rough stone
Symmetry
Natural irregular symmetry
Polish
Unpolished natural crystal skin with frosted/etched surface
Fluorescence
Cannot be determined without UV testing (typically medium to strong blue in natural rough)
Inclusions
Internal cloudiness, carbon spots, and internal feather fractures visible under strong backlighting
Blemishes
Natural surface etch channels, trigons, and rough skin textures
Origin
Alluvial or primary kimberlite deposit origin (African or Canadian source likely)
Treatment Detection
No signs of artificial treatment; completely natural untreated rough stone
Estimated Value
Varies significantly based on cutting yield (approx. $300 - $800 as rough mineral specimen)
Certification Estimate
GIA or IGI (would require professional grading after cutting)
Investment Potential
Moderate as a unique collector mineral specimen; high potential upside if precision-cut into a fancy colored gem
Similar Diamonds
Comparable natural rough diamond specimens of industrial or lower gem grade
Setting Suggestions
Can be kept as a raw mineral specimen in a custom wire-wrap setting or cut into a cushion or radiant fancy colored diamond
Care & Maintenance
Store separately to avoid scratching other jewelry; clean gently with warm soapy water and a soft brush
Interesting Facts
Rough diamonds retain natural crystal growth markings like trigons on their faces, telling the story of their journey from the earth's mantle