Natural rough diamond crystal
Natural rough diamond crystal · Uncut octahedral/distorted rough crystal
Not applicable (Rough, unpolished crystal) Cut
Carat
Estimated 1.5 to 2.5 carats
Color
Estimated near-colorless to faint yellow (G-K range)
Clarity
Estimated included (I1-I2 due to visible internal fracturing and feathering)
Shape
Uncut octahedral/distorted rough crystal
Overall Assessment
An interesting, natural rough diamond crystal showing typical geological characteristics and growth features, ideal for custom cutting or raw jewelry design
Cut Quality
Not applicable (Rough, unpolished crystal)
Brilliance
Low due to unpolished surfaces and rough crystal state
Fire
Limited dispersion visible through natural faces
Scintillation
Minimal sparkle prior to cutting and faceting
Proportions
Natural crystal habit, no traditional table or pavilion proportions
Symmetry
Natural octahedral crystal form with distortions
Polish
Natural crystal faces (trigons potentially present)
Fluorescence
Indeterminate from visual assessment alone
Inclusions
Visible feather fractures, clouds, and internal carbon spots
Blemishes
Natural surface etch channels, growth lines, and rough edges
Origin
Likely alluvial or primary pipe deposit origin, unverified
Treatment Detection
No signs of artificial treatment; appears completely untreated and natural
Estimated Value
Varies widely by actual weight and cutting potential, roughly $500 to $2,500 depending on yield
Certification Estimate
GIA rough diamond evaluation or Kimberley Process certification
Investment Potential
High speculative value based on potential cut yield after professional planning
Similar Diamonds
Other unpolished octahedral and macle rough diamond crystals
Setting Suggestions
Can be set raw in an organic, rustic bezel setting using yellow gold or platinum
Care & Maintenance
Store separately to prevent scratching other jewelry; clean gently with warm soapy water
Interesting Facts
The octahedral shape is the most common and iconic natural crystal habit for rough diamonds formed deep within the Earth's mantle