Natural rough industrial/gem-grade diamond crystals (uncut, raw)
Natural rough industrial/gem-grade diamond crystals (uncut, raw) · Rough crystal (uncut, octahedral and irregular natural crystal forms)
Not applicable (Rough uncut crystals) Cut

Carat
Estimated 15-25 carats total weight for the strand of rough crystals
Color
Fancy Dark Brown, Yellow-Brown, and Champagne natural rough
Clarity
Included to heavily included (I1-I3 equivalent for rough, typical of industrial or low-grade crystal)
Shape
Rough crystal (uncut, octahedral and irregular natural crystal forms)
Overall Assessment
A unique strand of raw, natural brown diamond crystals offering an organic, earthy aesthetic popular in contemporary designer jewelry
Cut Quality
Not applicable (Rough uncut crystals)
Brilliance
Low to moderate (Obscured by rough surfaces and dark brown body color)
Fire
Minimal to absent due to lack of standard faceted proportions
Scintillation
Poor due to raw, uncut, and opaque nature
Proportions
Not applicable (Natural unpolished crystals)
Symmetry
Asymmetrical (Natural crystal habit, unmodified)
Polish
Natural crystal faces (Unpolished raw surfaces)
Fluorescence
Variable (Typically none to faint blue under UV, common in natural rough)
Inclusions
Abundant internal inclusions including carbon spots, feathers, and cloudiness typical of raw diamond
Blemishes
Natural surface features such as trigons, growth lines, and rough skin
Origin
Likely African or South American alluvial or primary pipe deposits (uncut run-of-mine)
Treatment Detection
No signs of artificial treatment; completely untreated natural rough crystals
Estimated Value
Moderate industrial or bead-grade diamond value, approximately $300 - $1,000 for the full strand
Certification Estimate
Usually sold without standard individual reports; bulk rough certificates or Kimberley Process certification for origin
Investment Potential
Low investment potential for resale; primarily decorative or niche jewelry value
Similar Diamonds
Industrial rough diamond strands, uncut diamond bead necklaces
Setting Suggestions
Best utilized in organic, bohemian-style raw jewelry, wrapped in wire (gold or platinum), or strung as beads
Care & Maintenance
Clean gently with warm soapy water and a soft brush; avoid harsh ultrasonic cleaners that might stress natural inclusions
Interesting Facts
These diamonds are in their exact state as they were recovered from the earth before cutting and polishing