Likely Treated Natural Diamond or Teal Sapphire
Likely Treated Natural Diamond or Teal Sapphire · Emerald Cut
Good Cut

Carat
1.00 - 1.50 carats (Center Stone)
Color
Fancy Deep Teal / Blue-Green
Clarity
VS1 - VS2 (Eye-Clean appearance)
Shape
Emerald Cut
Overall Assessment
A striking emerald-cut center stone with a rich teal hue, framed by a classic diamond halo in a yellow gold band.
Cut Quality
Good
Brilliance
Low (Typical of step-cuts and deep saturated colors)
Fire
Medium
Scintillation
Moderate (Hall of Mirrors effect typical of emerald cuts)
Proportions
Classic emerald step-cut proportions with a rectangular outline and halo setting
Symmetry
Very Good
Polish
Good to Very Good
Fluorescence
None
Inclusions
Minor internal feathers or pinpoints possible, common in deep-colored stones
Blemishes
Minor surface abrasions on facet edges
Origin
Likely African (if Sapphire) or Laboratory Irradiation (if Diamond)
Treatment Detection
Probable Irradiation (if Diamond) or Heat Treatment (if Sapphire)
Estimated Value
$1,500 - $3,500 USD (Value varies significantly by species and treatment)
Certification Estimate
GIA Colored Diamond Report (if diamond) or GRS (if sapphire)
Investment Potential
Low to Medium (Specific niche for fancy colors)
Similar Diamonds
Fancy Teal Diamonds or London Blue Topaz
Setting Suggestions
Yellow gold halo setting with round brilliant diamond melee
Care & Maintenance
Ultrasonic cleaners are generally safe for irradiated stones but avoid harsh chemicals
Interesting Facts
Teal is one of the most sought-after hues in modern contemporary jewelry due to its unique ocean-like depth