Natural Fancy Red/Orange Diamond
Natural Fancy Red/Orange Diamond · Rough / Untouched Crystal
Not Applicable (Uncut rough crystal specimen) Cut

Carat
Estimated 0.50 - 0.80 carats based on visual proportions held between fingers
Color
Fancy Intense Red-Orange
Clarity
SI1 - SI2 (Visible internal graining and natural crystal inclusions)
Shape
Rough / Untouched Crystal
Overall Assessment
An exceptionally rare and captivating natural rough diamond crystal displaying a vibrant orange-red hue. While uncut and unpolished, its intense color saturation and natural crystalline structure make it a prized specimen for advanced collectors or custom bespoke high jewelry designers.
Cut Quality
Not Applicable (Uncut rough crystal specimen)
Brilliance
Subdued due to rough surface and lack of polished facets, but shows intense inner glow when backlit
Fire
High chromatic dispersion visible through internal translucent windows
Scintillation
Limited flash effect due to rough unfaceted nature
Proportions
Natural elongated crystal habit typical of cubic system deformation
Symmetry
Asymmetrical natural rough crystal form
Polish
Natural unpolished crystal faces (trigons potentially visible under magnification)
Fluorescence
Likely Medium to Strong Yellow or Orange under UV light
Inclusions
Internal clouds, feathers, and potential mineral inclusions typical of rough diamond growth
Blemishes
Natural surface etch channels, trigons, and rough skin textures
Origin
Likely alluvial or primary kimberlitic origin (such as historical Argyle Mine in Australia or African deposits known for colored diamonds)
Treatment Detection
No obvious signs of artificial irradiation or coating; natural origin suggested by internal grain lines and natural surface features
Estimated Value
Extremely high due to extreme rarity of natural red/orange color; potentially thousands to tens of thousands of dollars per carat depending on exact saturation
Certification Estimate
GIA (Gemological Institute of America) - Colored Diamond Grading Report
Investment Potential
Exceptionally high appreciation potential due to the extreme scarcity of natural red and orange diamonds on the global market
Similar Diamonds
Rare colored rough diamonds sold at major auction houses like Christie's or Sotheby's
Setting Suggestions
Custom designer yellow gold or platinum bezel setting to protect the raw organic shape while highlighting the fiery orange-red color
Care & Maintenance
Store separately in a soft pouch to prevent scratching other jewelry, clean gently with warm soapy water and a soft brush, avoid harsh ultrasonic cleaners on rough stones with deep inclusions
Interesting Facts
Natural red diamonds are among the rarest gems in the world, with fewer than 30 true fancy red diamonds known to exist with significant size, making colored rough specimens major collector items