Non-Diamond (Likely Lapis Lazuli or Sodalite)
Non-Diamond (Likely Lapis Lazuli or Sodalite) · Rough / Raw (Uncut)
N/A (Rough stone) Cut
Carat
Estimated 10-25 carats (visual guess based on size)
Color
Opaque Royal Blue with white veining (Non-D-Z scale)
Clarity
Opaque (Does not apply to diamonds)
Shape
Rough / Raw (Uncut)
Overall Assessment
The object is not a diamond; it is an opaque, blue, rough mineral specimen, most likely Lapis Lazuli.
Cut Quality
N/A (Rough stone)
Brilliance
None (Opaque material)
Fire
None
Scintillation
None
Proportions
N/A (Irregular natural specimen)
Symmetry
N/A (Natural rough form)
Polish
Unpolished / Matte surface
Fluorescence
N/A (Typically inert or patchy orange-red in sodalite)
Inclusions
White calcite veins and possible pyrite specks
Blemishes
Natural fractures and surface pitting common to rough minerals
Origin
Likely Afghanistan (if Lapis) or Brazil (if Sodalite)
Treatment Detection
None visible (appears to be a natural raw specimen)
Estimated Value
$5 - $20 USD (nominal specimen value)
Certification Estimate
Gemological lab identification (GIA/IGS) as Lapis Lazuli or Sodalite
Investment Potential
Low (Common decorative mineral specimen)
Similar Diamonds
None (This is a silicate/sulfate mineral, not carbon)
Setting Suggestions
Wire-wrapped pendant or tumbled for jewelry use
Care & Maintenance
Avoid acids and ultrasonic cleaners; clean with a soft damp cloth
Interesting Facts
Lapis Lazuli was ground for 'Ultramarine' paint during the Renaissance