Natural Fancy Colored Diamond (Orange to Brownish-Orange)
Natural Fancy Colored Diamond (Orange to Brownish-Orange) · Rough / Uncut / Irregular Crystal
Not Applicable (Rough Crystal) Cut
Carat
Estimated 1.25 to 1.75 carats based on visual proportions
Color
Fancy Deep Orangy Brown or Fancy Dark Orange (Natural origin)
Clarity
SI2 / I1 due to visible internal inclusions and structural feathering
Shape
Rough / Uncut / Irregular Crystal
Overall Assessment
A fascinating natural rough diamond crystal displaying a warm orange-brown hue. While it lacks the optical performance of a faceted stone, its raw character makes it a desirable specimen for collectors and bespoke jewelry designers.
Cut Quality
Not Applicable (Rough Crystal)
Brilliance
Low to moderate due to rough unpolished state
Fire
Muted dispersion typical of raw diamond crystal morphology
Scintillation
Minimal light return; flashes primarily from natural crystal faces
Proportions
Natural octahedron/twinned crystal growth forms
Symmetry
Natural crystal symmetry, asymmetrical
Polish
Raw crystal faces, unpolished natural habit
Fluorescence
Likely Medium to Strong Yellow or Orange under UV light
Inclusions
Internal clouds, pinpoint clusters, dark carbon spots, and strain feathers
Blemishes
Natural surface trigons, etching channels, and rough skin textures
Origin
Alluvial or primary kimberlite pipe deposit (Africa, Australia, or Canada)
Treatment Detection
No obvious signs of artificial irradiation or HPHT treatment observed in the raw state
Estimated Value
$3,500 - $6,000 depending on exact saturation and certified clarity
Certification Estimate
GIA (Gemological Institute of America) - Natural Fancy Color Diamond Origin Report
Investment Potential
Moderate to high for collectors interested in rare natural colored rough diamonds
Similar Diamonds
Other natural rough fancy colored diamond specimens and unpolished crystal collectors' stones
Setting Suggestions
Custom organic bezel or organic prong setting in yellow gold to highlight its raw, earthy aesthetic
Care & Maintenance
Store separately to prevent scratching other jewelry; clean gently with warm soapy water and a soft brush
Interesting Facts
Natural orange diamonds are exceptionally rare, usually deriving their color from a complex combination of nitrogen impurities and plastic deformation of the crystal lattice