Natural
Natural · Old Mine Cut or Early Round Brilliant (Transitional)
Fair (Antique cut style with large culet and high crown) Cut
Carat
0.10 to 0.15 carats
Color
L-M (Faint Yellow/Warm)
Clarity
I1-I2 (Visible internal inclusions)
Shape
Old Mine Cut or Early Round Brilliant (Transitional)
Overall Assessment
A charming authentic antique piece featuring an early-cut natural diamond. While the stone has inclusions and warm color, it is historically significant and fits the period aesthetic perfectly.
Cut Quality
Fair (Antique cut style with large culet and high crown)
Brilliance
Moderate
Fire
High (Antique cuts typically exhibit high fire/dispersion)
Scintillation
Blocky, chunky light patterns typical of old European influence.
Proportions
High crown, small table, deep pavilion, large open culet characteristic of late 19th/early 20th century cutting.
Symmetry
Fair
Polish
Good
Fluorescence
Indeterminable from photo
Inclusions
Noticeable dark crystals and feathers visible under magnification.
Blemishes
Minor surface abrasions and potential nicks on facet junctions due to age.
Origin
Historical natural mining (likely South Africa or India)
Treatment Detection
None detected; era-consistent characteristics
Estimated Value
$250 - $450 (Value is primarily in the antique setting rather than the stone itself)
Certification Estimate
Likely GIA or EGL for vintage authentication; Color: M, Clarity: I1
Investment Potential
Moderate for the piece as an antique collectible, low for the diamond itself.
Similar Diamonds
Old European Cut Melée, Early 1900s Transitional Cuts
Setting Suggestions
Current Navette/Marquise-style Art Deco filigree setting is ideal.
Care & Maintenance
Avoid ultrasonic cleaners if stones are loose; use mild soap and a soft brush specifically for filigree crevices.
Interesting Facts
The 'Navette' shape of the ring setting is French for 'little boat,' a style very popular in the Art Deco period.