Natural (Rough Crystal)
Natural (Rough Crystal) · Uncut Rough / Irregular Octahedral Fragment
Not Applicable (Uncut rough crystal) Cut
Carat
Estimated 3.5 - 5.0 carats
Color
Near-colorless to Faint Yellow (Estimated G-K range)
Clarity
SI1 - SI2 (Based on visible internal feathers and mineral inclusions)
Shape
Uncut Rough / Irregular Octahedral Fragment
Overall Assessment
A fascinating, high-character natural rough diamond crystal with good clarity potential, offering multiple options for bespoke jewelry design or cutting into a finished gemstone.
Cut Quality
Not Applicable (Uncut rough crystal)
Brilliance
Limited due to rough, unpolished state
Fire
Present internally, but obscured by rough surface texture
Scintillation
Minimal until faceted and polished
Proportions
N/A for rough stones; depends on future cutting plan
Symmetry
Natural crystalline symmetry
Polish
Natural crystal face (unpolished)
Fluorescence
Cannot be determined accurately without UV testing (Likely Faint to Medium Blue)
Inclusions
Internal cleavage planes, feathers, and tiny dark crystal inclusions visible
Blemishes
Natural surface trigons, etching, and surface graining
Origin
Likely alluvial or primary kimberlite pipe deposit (African or Canadian origin)
Treatment Detection
No evidence of artificial treatments; entirely natural rough specimen
Estimated Value
$3,000 - $6,000 USD (Varies widely depending on cutting yield)
Certification Estimate
GIA or IGI rough diamond evaluation report
Investment Potential
Moderate to High; rough stones offer potential upside if cut efficiently by an expert lapidary
Similar Diamonds
Other mid-to-high grade natural rough diamond specimens
Setting Suggestions
Can be kept in an organic, raw mineral pendant setting or cut and polished into a traditional brilliant shape
Care & Maintenance
Store separately to avoid scratching other jewelry; clean gently with warm soapy water and a soft brush
Interesting Facts
Rough diamonds show natural growth markings called 'trigons' which are microscopic triangular depressions on the crystal faces