Rough Natural Diamond
Rough Natural Diamond · Rough crystal, uncut octahedral/dodecahedral fragment
Not applicable (Rough, uncut stone) Cut
Carat
Estimated 3.5 to 5.0 carats
Color
Brownish-yellow to off-white tint in rough form
Clarity
Included (I1-I2 estimated for rough crystal interior)
Shape
Rough crystal, uncut octahedral/dodecahedral fragment
Overall Assessment
A substantial natural rough diamond crystal with visible earthy coloration and inclusions, offering excellent potential for a custom master cutter to transform into a unique finished gem.
Cut Quality
Not applicable (Rough, uncut stone)
Brilliance
Low in rough form; will display brilliance once properly cut and faceted
Fire
Obscured by rough surface texture; expected moderate dispersion once faceted
Scintillation
Minimal play of light in current raw state
Proportions
Natural uncut proportions with irregular depth and girdle thickness
Symmetry
Asymmetric rough crystal formation
Polish
Natural rough crystal faces (some trigons or natural striations expected)
Fluorescence
Indeterminate without UV testing (typically Faint to Medium Blue in natural rough)
Inclusions
Cloudy regions, carbon spots, and internal feather fractures visible in rough state
Blemishes
Natural surface pitting, rough skin, and minor resorption features
Origin
Alluvial or primary kimberlite deposit origin (African or Canadian source likely)
Treatment Detection
No signs of artificial enhancement; completely untreated natural rough
Estimated Value
Varies widely based on yield potential post-cutting, approximately $1,500 - $4,000 USD for rough industrial/gem grade
Certification Estimate
GIA or EGL for rough diamond registration and origin report
Investment Potential
Moderate, highly dependent on the cutter's skill in maximizing finished carat weight and clarity grade
Similar Diamonds
Unaltered gem-quality rough stones of similar carat size from primary deposits
Setting Suggestions
Can be set raw in organic custom bezel settings or cut into a Cushion or Radiant shape to maximize weight retention
Care & Maintenance
Store separately to prevent abrasion; clean gently with warm soapy water and a soft brush
Interesting Facts
Rough diamonds straight from the earth often have a greasy luster and rough, frosted exterior skin concealing the optical clarity within