Natural Colored Diamond (or potentially treated red diamond)
Natural Colored Diamond (or potentially treated red diamond) · Round Brilliant
Very Good Cut
Carat
0.50 - 0.75 carats (estimated visually)
Color
Fancy Intense to Fancy Vivid Red
Clarity
SI1 - SI2 (estimated visually)
Shape
Round Brilliant
Overall Assessment
An exceptionally striking ring featuring a rare red stone exhibiting vibrant color saturation and a classic round brilliant cut, though formal laboratory verification is mandatory to confirm natural origin.
Cut Quality
Very Good
Brilliance
Good internal reflection, slightly masked by the deep red body color
Fire
Moderate dispersion, characteristic of colored diamonds
Scintillation
Good play of light and dark areas across the facet structure
Proportions
Standard round brilliant proportions with moderate table and depth percentage
Symmetry
Good
Polish
Good
Fluorescence
Medium to Strong Blue (common in some red/pink natural diamonds)
Inclusions
Minor carbon spots and internal feather inclusions visible under magnification
Blemishes
Minor surface scratches on the girdle region
Origin
Likely Argyle Mine (Australia) or alluvial African origin
Treatment Detection
Requires advanced spectroscopic testing (FTIR/PL) to rule out HPHT treatment or irradiation
Estimated Value
$10,000 - $50,000+ (Natural red diamonds are extremely rare and command high per-carat prices)
Certification Estimate
GIA (Gemological Institute of America) - Fancy Red Color Origin Report
Investment Potential
Exceptional due to extreme rarity; natural red diamonds appreciate significantly over time
Similar Diamonds
Argyle pink and red diamond inventory, high-end colored gemstone jewelry
Setting Suggestions
Yellow or white gold prong setting with small accent diamonds to highlight the rare red center stone
Care & Maintenance
Clean with warm soapy water and a soft brush; avoid harsh ultrasonic cleaners if inclusion levels are high
Interesting Facts
Natural red diamonds are among the rarest colored diamonds in the world, with fewer than 30 true fancy red diamonds known to exist with significant size.