Natural diamond (rough crystal)
Natural diamond (rough crystal) · Rough elongated crystal (octahedral/macdle habit fragment)
Not Applicable (Rough un-faceted stone) Cut
Carat
Estimated 0.85 - 1.25 carats based on visual dimensions
Color
Fancy Blue / Near Colorless with strong blue luminescence
Clarity
Included (I1 - I2) due to internal feathering and cloud formations visible in rough
Shape
Rough elongated crystal (octahedral/macdle habit fragment)
Overall Assessment
An intriguing and rare specimen of a natural rough diamond displaying vivid blue characteristics, highly collectible as a mineral specimen prior to any potential cutting
Cut Quality
Not Applicable (Rough un-faceted stone)
Brilliance
Limited due to rough surface, though strong internal blue transmission is present
Fire
Minimal dispersion due to lack of faceted angles and rough exterior
Scintillation
Low, restricted to surface reflections on natural crystal faces
Proportions
Natural crystal morphology, irregular elongated octahedral fragment
Symmetry
Natural crystalline symmetry showing trigons or striations typical of rough diamond
Polish
Natural crystal faces (octahedral faces with potential natural trigons)
Fluorescence
Very Strong Blue (visible under daylight/UV excitation)
Inclusions
Internal clouds, feathers, and potential pinpoint inclusions visible within the body
Blemishes
Natural surface etch channels, trigons, and surface graining
Origin
Likely alluvial or primary kimberlite pipe deposit, potentially associated with boron-rich environments
Treatment Detection
No obvious signs of artificial treatment; strong natural blue coloration often correlates with natural boron doping
Estimated Value
Varies significantly depending on precise weight and saturation; rough blue diamonds command a high premium
Certification Estimate
GIA would likely issue a Diamond Classification Letter or Rough Diamond Certificate
Investment Potential
High due to rarity and collectibility of natural rough blue diamonds
Similar Diamonds
Other natural rough blue diamond specimens from major alluvial finds
Setting Suggestions
Best preserved as a raw mineral specimen in a custom bespoke pendant or protected bezel setting
Care & Maintenance
Handle with care to prevent chipping along natural cleavage planes; clean with warm soapy water and a soft brush
Interesting Facts
Natural blue diamonds owe their color to trace amounts of boron trapped in the crystal lattice during formation deep in the Earth