Non-diamond (Gemstone)
Non-diamond (Gemstone) · Oval Cabochon
Not Applicable (Cabochon cut) Cut
Carat
3.00 - 5.00 carats (estimated based on size relative to fingers)
Color
Pale greenish-yellow with chatoyancy
Clarity
Translucent (typical of chatoyant stones)
Shape
Oval Cabochon
Overall Assessment
This is not a diamond. It is a chatoyant gemstone, likely a Cat's Eye Chrysoberyl or Cat's Eye Quartz, featuring a distinct vertical band of light across its surface.
Cut Quality
Not Applicable (Cabochon cut)
Brilliance
Low (typical for translucent cabochons)
Fire
None
Scintillation
Moveable light band (chatoyancy)
Proportions
High-dome cabochon
Symmetry
Good
Polish
Very Good (smooth surface)
Fluorescence
Inconclusive from image
Inclusions
Parallel needle-like inclusions (fibrous) creating the eye effect
Blemishes
Minor surface wear consistent with age
Origin
Likely Sri Lanka or Brazil (common for cat's eye stones)
Treatment Detection
No obvious treatments; potentially natural
Estimated Value
$100 - $500 (depending on species and setting metal)
Certification Estimate
GIA (Gemstone Identification Report)
Investment Potential
Low to Moderate; valued for unique optical properties rather than resale
Similar Diamonds
Cat's Eye Chrysoberyl, Cat's Eye Quartz, or Moonstone
Setting Suggestions
Bezel setting in high-karat yellow gold
Care & Maintenance
Clean with warm soapy water; avoid ultrasonic cleaners if the stone is chrysoberyl or quartz
Interesting Facts
The 'cat's eye' effect is known as chatoyancy, caused by light reflecting off parallel inclusions.