Natural Diamond (Likely Type Ia)
Natural Diamond (Likely Type Ia) · Cushion Modified Brilliant
Good to Very Good Cut
Carat
3.90 carats (User specified)
Color
G-H (Near Colorless)
Clarity
SI1-SI2 (Slightly Included)
Shape
Cushion Modified Brilliant
Overall Assessment
This is a significant and high-quality 3.9ct cushion cut diamond. The size is rare, and while it contains some visible inclusions, its overall brilliance and near-colorless appearance make it an exceptional specimen for fine jewelry or investment.
Cut Quality
Good to Very Good
Brilliance
Strong internal light return with moderate leakage in the 'crushed ice' regions typical of modified cushions.
Fire
High dispersive fire visible in the corner facets under directional lighting.
Scintillation
Dense, varied flash pattern often described as a 'crushed ice' look.
Proportions
Classic elongated cushion; estimated 65% table and 68% depth; crown angles appear slightly steep suggesting a high crown.
Symmetry
Very Good
Polish
Very Good
Fluorescence
None to Faint (Cannot confirm without UV light)
Inclusions
Visible cloud-like features and small crystals near the center facet; some feathers visible near the lower girdle facets.
Blemishes
Minor surface abrasions consistent with a loose stone; slight facet junction wear.
Origin
Likely Ethically Sourced (Botswana or Canadian origin common for this size/quality)
Treatment Detection
None visible; appears to be natural color and clarity.
Estimated Value
$45,000 - $65,000 (Subject to professional lab grading and market conditions)
Certification Estimate
GIA (Gemological Institute of America); Estimated Grade: H SI1.
Investment Potential
High; stones over 3 carats with near-colorless grades retain significant value over time and are high in demand.
Similar Diamonds
3.5ct to 4.5ct G-I color SI cushion cut natural diamonds.
Setting Suggestions
Platinum or 18k White Gold four-prong solitaire or a delicate halo to accentuate the 3.9ct size.
Care & Maintenance
Clean with warm soapy water and a soft brush; avoid harsh chemicals; annual professional check of the setting once mounted.
Interesting Facts
Cushion cuts are one of the oldest diamond shapes, formerly known as 'Old Mine Cuts,' blending the elegance of a square/rectangular shape with rounded corners.
Notes
3.9 carats loose cushion cut found believe to be a diamond u