Likely Natural Diamond
Likely Natural Diamond · Radiant Cut
Good to Very Good Cut

Carat
Estimated 1.50 - 2.00 carats
Color
Fancy Light Blue-Green (Likely Treated or Synthetic Origin)
Clarity
VS2 - SI1 (Eye Clean but shows internal graining)
Shape
Radiant Cut
Overall Assessment
An attractive radiant cut stone with a unique teal-blue body color. The depth of color suggests secondary treatment or lab-grown origin rather than a rare natural fancy blue diamond.
Cut Quality
Good to Very Good
Brilliance
Moderate; shows localized areas of light return
Fire
High; notable spectral dispersion visible in unteren left quadrant
Scintillation
Crushed ice effect typical of many radiant cuts
Proportions
Deep pavilion with compressed crown angles; radiant-style facet pattern
Symmetry
Good
Polish
Very Good
Fluorescence
Medium Blue (Inferred)
Inclusions
Minor crystals and internal graining lines observable in center region
Blemishes
Slight surface abrasions visible on the table facets
Origin
Potential Lab-Grown or HPHT Treated Natural from Brazil or Russia
Treatment Detection
Likely HPHT (High Pressure High Temperature) or Irradiation to enhance teal/green-blue hue
Estimated Value
$3,000 - $6,500 (Heavily dependent on color treatment status)
Certification Estimate
GIA / IGI (Likely to be graded as Treated Color)
Investment Potential
Low; treated or lab stones do not hold value as well as natural untreated stones
Similar Diamonds
Fancy Intense Blue Diamonds or Teal Sapphires
Setting Suggestions
Platinum or White Gold solitaire to emphasize the cool tones
Care & Maintenance
Ultrasonic cleaning is safe, but avoid excessive heat if color is irradiated
Interesting Facts
The radiant cut was the first square shape to have a complete brilliant-cut facet pattern on the crown and pavilion.