Natural Diamond
Natural Diamond · Old European / Round Rose Cut
Fair to Good (Antique cut characteristics) Cut
Carat
Approx. 0.35 - 0.50 ct
Color
K-M (Light tint visible)
Clarity
SI2 - I1 (Visible inclusions and dark crystal centers)
Shape
Old European / Round Rose Cut
Overall Assessment
A charming antique diamond mounted in a vintage finding, characterized by hand-cut facets, visible inclusions, and a warm body color that appeal strongly to vintage jewelry enthusiasts.
Cut Quality
Fair to Good (Antique cut characteristics)
Brilliance
Moderate due to antique faceting style and visible inclusions
Fire
Good dispersion, enhanced by the chunky antique facets
Scintillation
Chunky flash pattern characteristic of old-style cuts rather than modern brilliant cuts
Proportions
Deep pavilion, smaller table, prominent culet typical of antique cuts
Symmetry
Fair (Hand-cut antique symmetry)
Polish
Good (Consistent with antique period gemstones)
Fluorescence
Unknown without UV testing (Likely Faint to Medium)
Inclusions
Feathers, carbon spots, and internal cloudiness visible under magnification
Blemishes
Natural surface irregularities and minor abrasion on facet junctions due to age
Origin
Natural terrestrial origin (likely historic mine, possibly Indian or South African given the antique setting style)
Treatment Detection
No obvious modern treatments; typical untracked antique estate stone
Estimated Value
$300 - $800 USD (depending on total gold weight and exact stone metrics)
Certification Estimate
GIA or local independent antique jewelry appraiser
Investment Potential
Stable niche market value driven by antique jewelry collectors rather than standard commodity diamond pricing
Similar Diamonds
Antique estate diamonds, Georgian or Victorian cut diamonds
Setting Suggestions
Rose gold or yellow gold antique-style bezel or prong setting to match the vintage ring/pendant mounting
Care & Maintenance
Professional cleaning with mild soap and warm water; avoid harsh ultrasonic cleaners due to historic setting and inclusions
Interesting Facts
The stone is set in an antique loop or pendant bail mount, showing historic hand-crafted metalwork