Natural
Natural · Old European Cut / Round Brilliant Transition
Good (Vintage Standard) Cut

Carat
0.25 - 0.35 carats
Color
H - I (Near Colorless)
Clarity
SI1 - VS2
Shape
Old European Cut / Round Brilliant Transition
Overall Assessment
A charming vintage diamond set in a unique mid-century or retro-style gold mounting, showing excellent fire characteristic of its era.
Cut Quality
Good (Vintage Standard)
Brilliance
Moderate white light return
Fire
High (Characteristic of older cuts with steep crown angles)
Scintillation
Broad flash pattern typical of vintage faceting
Proportions
High crown and small table characteristic of vintage European cuts
Symmetry
Good
Polish
Good
Fluorescence
None visible under ambient light
Inclusions
Possible small crystals or feathers visible under 10x magnification
Blemishes
Slight surface wear consistent with a vintage setting
Origin
Likely Earth-mined (South Africa or similar historic source)
Treatment Detection
No visible treatments; appears to be an untreated natural stone
Estimated Value
$400 - $800 (as a jewelry piece)
Certification Estimate
Likely GIA or EGL if antique; G to I color, SI clarity
Investment Potential
Low to Moderate; primarily as a vintage collectible piece
Similar Diamonds
Early 20th-century transition cuts
Setting Suggestions
Keep in current retro/art deco yellow gold setting to preserve historical value
Care & Maintenance
Ultrasonic cleaning is safe, but check bead prongs for stability periodically
Interesting Facts
The Old European cut was the precursor to the modern round brilliant and was designed to maximize light in candlelight.