Not a diamond (Green rough gemstone, potentially Tourmaline or Diopside)
Not a diamond (Green rough gemstone, potentially Tourmaline or Diopside) · Rough crystal / Uncut natural crystal form
N/A (Rough stone, unpolished) Cut

Carat
Estimated 3.5 to 5.0 carats
Color
Vivid Green (Fancy Intense Green)
Clarity
Included (SI2 to I1 equivalent for colored stones due to internal fractures)
Shape
Rough crystal / Uncut natural crystal form
Overall Assessment
An appealing vibrant green rough crystal specimen with natural growth features, requiring laboratory testing for exact mineral identification.
Cut Quality
N/A (Rough stone, unpolished)
Brilliance
Moderate due to translucent raw crystal state
Fire
Low in current rough form, dependent on future cut
Scintillation
Limited by rough uncut surfaces
Proportions
N/A (Rough crystal form)
Symmetry
Natural asymmetric crystal growth
Polish
Raw natural crystal faces and striated growth lines
Fluorescence
Undetermined without UV testing
Inclusions
Prominent internal growth lines, striations, and stress fractures
Blemishes
Natural surface etch channels, striations, and minor matrix remnants
Origin
Natural metamorphic or pegmatitic origin
Treatment Detection
No obvious signs of artificial treatment; appears entirely natural
Estimated Value
Varies widely depending on exact mineral species ($50 - $300 as a specimen)
Certification Estimate
GIA or GRS Colored Stone Report
Investment Potential
Low as investment grade; primarily of interest to mineral collectors
Similar Diamonds
None (this is a colored gemstone crystal, not a diamond)
Setting Suggestions
Wire-wrapped pendant or custom organic bezel setting to preserve raw character
Care & Maintenance
Avoid harsh chemicals, ultrasonic cleaners, and protect from impact due to internal fractures
Interesting Facts
Displays characteristic crystal striations common in pegmatite minerals like green tourmaline