Natural rough diamond crystal
Natural rough diamond crystal · Uncut octahedral or elongated rough crystal form
Not applicable (Rough uncut crystal, raw state) Cut
Carat
Estimated 2.5 to 3.5 carats based on visual proportions
Color
Colorless to near-colorless (Estimated G-J range)
Clarity
Estimated SI1 to SI2 (surface striations, natural growth lines, and minor internal inclusions visible)
Shape
Uncut octahedral or elongated rough crystal form
Overall Assessment
An intriguing and well-formed natural rough diamond crystal displaying classic growth lines and striations, offering great potential for either custom raw jewelry design or strategic cutting to maximize polished yield.
Cut Quality
Not applicable (Rough uncut crystal, raw state)
Brilliance
Limited in raw form; vitreous to adamantine luster visible on raw crystal windows
Fire
Minimal dispersion in rough, unfaceted state
Scintillation
None in current raw state
Proportions
Natural rough crystal proportions, irregular elongated habit with visible striations
Symmetry
Natural crystal symmetry showing typical growth steps and trigons
Polish
Natural crystal faces (no polish, raw unworked surface)
Fluorescence
Unknown without UV testing, likely none to faint blue
Inclusions
Internal clouds, pinpoint inclusions, and potential feather features visible through the raw skin
Blemishes
Natural surface etchings, striations, trigons, and surface graining
Origin
Likely alluvial or primary kimberlitic pipe origin (African, Canadian, or Russian deposits)
Treatment Detection
No treatments detected; entirely natural rough crystal form
Estimated Value
Varies by precise weight and purity, typically ranges from $1,500 to $4,000 depending on cutting yield
Certification Estimate
GIA or similar major laboratory report for rough diamond verification
Investment Potential
Moderate to high for collectors of unique raw mineral specimens and custom-cut designers
Similar Diamonds
Other natural unpolished octahedral and elongated rough diamond crystals
Setting Suggestions
Ideal for a raw organic jewelry setting such as a custom bezel or raw crystal pendant in yellow or white gold
Care & Maintenance
Clean with warm soapy water and a soft brush; store separately to prevent scratching other gemstones
Interesting Facts
The striations and growth lines visible on the surface are records of the immense pressure and temperature conditions deep within the Earth's mantle during the diamond's formation