Likely Treated Natural Diamond or Teal Sapphire

Likely Treated Natural Diamond or Teal Sapphire · Emerald Cut

Good Cut

Likely Treated Natural Diamond or Teal Sapphire - Emerald 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

Identified on 5/31/2026