Natural rough diamond crystal
Natural rough diamond crystal · Rough octahedral/elongated crystal form
Not applicable (uncut rough crystal) Cut
Carat
Estimated 1.5 to 2.5 carats based on visual dimensions
Color
Near-colorless to faint tint (approx. G-I)
Clarity
Included (approx. SI1-SI2 equivalent)
Shape
Rough octahedral/elongated crystal form
Overall Assessment
An interesting and genuine natural rough diamond crystal displaying classic growth striations and elongated habit, well-suited for a unique organic jewelry piece or mineral collection.
Cut Quality
Not applicable (uncut rough crystal)
Brilliance
Muted due to rough, unpolished surfaces; glassy luster
Fire
Limited dispersion visible on raw surface facets
Scintillation
Minimal due to lack of traditional pavilion and crown facets
Proportions
Natural uncut crystal proportions, elongated octahedral habit
Symmetry
Natural crystal habit showing distorted growth lines and striations
Polish
Natural unpolished crystal faces with trigons and striations
Fluorescence
Unknown without UV testing, likely Faint to Medium
Inclusions
Internal cloudiness, feathers, and potential pinpoint inclusions
Blemishes
Natural surface etchings, trigons, and irregular growth features
Origin
Likely alluvial or primary kimberlitic pipe deposit (Africa, Canada, or Russia)
Treatment Detection
No signs of treatment; completely untreated natural rough
Estimated Value
Varies significantly by exact weight and clarity; estimated at $1,000 - $3,000 USD for rough specimien
Certification Estimate
GIA or similar major lab for origin and natural confirmation report
Investment Potential
Collectible mineral specimen value, appreciates steadily as a unique natural artifact
Similar Diamonds
Other natural unpolished octahedral rough diamond crystals of similar size
Setting Suggestions
Organic raw bezel setting or custom wire-wrapped pendant showcasing the raw crystal form
Care & Maintenance
Clean with warm soapy water and a soft brush; avoid harsh ultrasonic cleaners that might exploit internal natural stress fractures
Interesting Facts
Rough diamonds display natural crystal growth marks called trigons, which are tiny triangular depressions formed during crystallization