Natural diamond crystal (uncut / rough diamond)
Natural diamond crystal (uncut / rough diamond) · Rough crystal / Irregular elongation
Not applicable (Rough crystal) Cut
Carat
Estimated 1.5 - 2.5 carats
Color
Near colorless to light brown (H-J equivalent)
Clarity
Included (I1-I2)
Shape
Rough crystal / Irregular elongation
Overall Assessment
An intriguing natural rough diamond crystal featuring visible internal inclusions and natural growth structures, ideal for mineral collectors or custom organic jewelry designs.
Cut Quality
Not applicable (Rough crystal)
Brilliance
Low to moderate due to uncut nature and internal inclusions
Fire
Minimal due to lack of faceted geometry
Scintillation
Low, reflecting light off natural crystal planes rather than precision facets
Proportions
Natural rough geometry
Symmetry
Natural octahedral/dodecahedral growth distortion
Polish
Natural crystal faces (trigons and striations visible)
Fluorescence
Indeterminate from visual assessment alone
Inclusions
Prominent feathers, cloud formations, and internal fracturing
Blemishes
Natural surface etch channels, growth lines, and rough skin
Origin
Natural alluvial or primary kimberlite deposit origin
Treatment Detection
No signs of artificial treatments; entirely untreated rough crystal
Estimated Value
Varies widely based on raw specimen collector market ($300 - $1,000 USD)
Certification Estimate
GIA or similar major gemological laboratory (origin and authenticity report)
Investment Potential
Collectible mineral value rather than standard investment diamond grade
Similar Diamonds
Other unpolished natural diamond crystal specimens
Setting Suggestions
Wire-wrapped pendant or bespoke organic prong setting to preserve the raw look
Care & Maintenance
Store separately to prevent scratching other jewelry; clean with mild soapy water and soft brush
Interesting Facts
Rough diamonds retain their geological history, showing natural crystal growth marks like curved edges and trigons