Natural Diamond (Rough specimen, likely type Ib or colored fancy variety)
Natural Diamond (Rough specimen, likely type Ib or colored fancy variety) · Uncut / Rough Crystal Fragment
Not Applicable (Uncut rough stone) Cut
Carat
Estimated 0.50 to 0.80 carats (rough form)
Color
Fancy Intense Orange / Red (Natural coloration visible under strong backlight)
Clarity
I1 - I2 (Estimated for rough stone due to prominent natural inclusions and internal feathering)
Shape
Uncut / Rough Crystal Fragment
Overall Assessment
An intriguing natural rough diamond crystal displaying vibrant orange-red transmission under intense backlighting. Its value and beauty depend heavily on lapidary planning to maximize weight and retain its rare fancy coloration if faceted.
Cut Quality
Not Applicable (Uncut rough stone)
Brilliance
Low in rough form; light transmission is diffused due to untreated surfaces
Fire
Obscured by rough exterior, though intense orange spectral body color is dominant
Scintillation
Minimal to none due to lack of faceted surfaces
Proportions
Natural rough geometry; standard table/depth percentages do not apply
Symmetry
Natural crystalline symmetry (Irregular rough form)
Polish
Natural rough crystal faces (Unpolished)
Fluorescence
Strong to Very Strong (Typical for certain colored rough diamonds under UV/intense light)
Inclusions
Internal carbon spots, feathers, and cloud clusters visible under backlighting
Blemishes
Natural surface trigons, rough skin, and minor surface pitting characteristic of uncut diamonds
Origin
Natural alluvial or primary kimberlitic pipe deposit (African or Australian origin likely)
Treatment Detection
No treatments detected; natural color and structure
Estimated Value
Varies significantly based on cutting potential, $500 - $2,500 depending on final yield and exact color saturation
Certification Estimate
GIA (Gemological Institute of America) would grade as Natural Fancy Colored Diamond Rough
Investment Potential
Moderate to High for rare natural colored rough diamonds, especially if high color saturation is retained upon cutting
Similar Diamonds
Natural rough fancy orange or brown-orange diamond crystals
Setting Suggestions
Custom organic raw-stone bezel setting in yellow gold or platinum to highlight the natural rough character
Care & Maintenance
Standard ultrasonic cleaning is safe, but protect from sharp impacts as rough stones can have internal stress fractures along cleavage planes
Interesting Facts
Natural red and intense orange diamonds are among the rarest colored diamonds in the world, often colored by plastic deformation in the crystal lattice rather than chemical impurities