Rough Fancy Color Diamond
Rough Fancy Color Diamond · Rough Octahedral Fragment
N/A (Uncut Rough) Cut
Carat
8.00 - 12.00 carats
Color
Fancy Deep Violetish Blue
Clarity
SI1 - I1 (Rough Estimation)
Shape
Rough Octahedral Fragment
Overall Assessment
This appears to be a significant rough blue/violet diamond specimen showing natural growth characteristics and high saturation.
Cut Quality
N/A (Uncut Rough)
Brilliance
Low (due to uncut state)
Fire
High Potential (based on dispersion of colored rough)
Scintillation
Subdued (matte surface texture)
Proportions
Natural uncut crystal faces showing growth trigons
Symmetry
N/A (Rough)
Polish
N/A (Rough)
Fluorescence
Strong Blue
Inclusions
Internal graining and possible dark carbon spots visible through skin
Blemishes
Natural surface etchings and percussion marks
Origin
Argyle, Australia or Cullinan Mine, South Africa
Treatment Detection
None (Appears natural rough)
Estimated Value
$50,000 - $120,000+
Certification Estimate
GIA (Rough Diamond Evaluation)
Investment Potential
Excellent (High rarity for natural blue/violet rough)
Similar Diamonds
Hope Diamond (color profile), Blue Moon of Josephine
Setting Suggestions
Bespoke rough-cut claw setting or preservation as a specimen
Care & Maintenance
Avoid ultrasonic cleaners; handle with soft cloth to avoid scratching other gems
Interesting Facts
Natural blue diamonds get their color from boron trace elements during formation