Natural Diamond
Natural Diamond · Marquise
Fair to Good, showing non-traditional facet arrangement or modified antique/rose-cut style with large facets Cut
Carat
Estimated 0.50 to 0.75 carats based on visual dimensions
Color
Estimated G-H range, showing slight near-colorless warmth
Clarity
Estimated SI2 to I1 due to prominent visible dark inclusions and cloudy areas
Shape
Marquise
Overall Assessment
This is a natural marquise-cut diamond with distinctive visible inclusions and a shallower depth profile, offering a unique vintage or artisanal aesthetic despite lower optical performance metrics
Cut Quality
Fair to Good, showing non-traditional facet arrangement or modified antique/rose-cut style with large facets
Brilliance
Moderate, reduced by internal cloudiness and prominent inclusions
Fire
Low to Moderate dispersion, limited by cut style and internal clarity features
Scintillation
Fair, patchy due to large facets and prominent inclusion blocking light return
Proportions
Shallow depth percentage with a wide face-up appearance characteristic of flat antique cuts or portrait-style diamonds
Symmetry
Fair, slight asymmetry visible in the curved tips and facet alignment
Polish
Good, surfaces appear reasonably smooth with moderate luster
Fluorescence
Indeterminate from visual inspection, likely None to Faint
Inclusions
Prominent dark carbon spots, clouds, and internal feather fractures visible near the center and one tip
Blemishes
Minor surface abrasions and potential minor naturals along the girdle edge
Origin
Natural rough mined diamond, specific country of origin unverified without advanced spectroscopic testing
Treatment Detection
No obvious signs of laser drilling, fracture filling, or coating; appears untreated natural stone
Estimated Value
Depends on exact carat weight, but comparable industrial or lower-clarity promotional commercial grade diamonds range from $300 to $800 USD
Certification Estimate
GIA or IGI could issue a grading report, likely noting natural origin with prominent clarity characteristics
Investment Potential
Low investment potential due to lower clarity grade and prominent inclusions, primarily suited for bespoke jewelry or decorative use
Similar Diamonds
Commercial grade marquise-cut natural diamonds with SI2-I1 clarity and prominent inclusions
Setting Suggestions
Bezel setting or V-prong setting to protect the delicate pointed tips of the marquise shape and partially mask internal inclusions
Care & Maintenance
Clean gently with warm soapy water and a soft brush; avoid harsh ultrasonic cleaners due to internal feather inclusions
Interesting Facts
The marquise cut, also known as the navette, was commissioned by King Louis XV of France to resemble the smile of his mistress, the Marquise de Pompadour