Natural (Rough Crystal)
Natural (Rough Crystal) · Rough Octahedral / Uncut
Not Applicable (Uncut Rough) Cut
Carat
Estimated 3.5 to 5.0 carats based on visual scale
Color
Light Yellow / Tinted White (Approx. K-M equivalent)
Clarity
Included (Approx. SI2-I1 equivalent due to internal imperfections)
Shape
Rough Octahedral / Uncut
Overall Assessment
An interesting natural rough diamond crystal showing characteristic octahedral faces and growth features, best suited for custom lapidary work or as a geological specimen.
Cut Quality
Not Applicable (Uncut Rough)
Brilliance
Low (due to unpolished, rough surface)
Fire
Minimal until cut and polished
Scintillation
Limited flash due to rough, unfaceted surfaces
Proportions
Natural formation proportions, unpolished crystal
Symmetry
Natural crystalline symmetry showing octahedral habit
Polish
Natural rough crystal faces (trigons and striations visible)
Fluorescence
Cannot be determined visually without UV testing
Inclusions
Internal cloudiness, carbon spots, and feathery fractures visible
Blemishes
Natural surface pitting, rough skin, and growth marks
Origin
Natural alluvial or primary kimberlite deposit
Treatment Detection
No treatments detected; completely untreated natural rough
Estimated Value
$1,500 - $3,500 depending on final yield after cutting
Certification Estimate
GIA or AGS if submitted for rough grading report
Investment Potential
Moderate, primarily valued as a specimen or for custom cutting potential
Similar Diamonds
Standard run-of-mine industrial or lower-gem quality rough diamond crystals
Setting Suggestions
Raw uncut diamond pendant or bespoke organic-style mounting in yellow gold
Care & Maintenance
Store separately to prevent scratching other softer stones; clean gently with warm soapy water
Interesting Facts
The octahedral shape is the most common and classic crystal habit for natural rough diamonds formed deep within the Earth's mantle