Cobalt Teal Lab Sapphire IS grown using the
Flame Fusion method
Cobalt Teal Lab Sapphire, Traditional Round Brilliant Cut, 5.73 Carats
Cobalt Teal Lab Sapphire, Traditional Round Brilliant Cut, 5.73 Carats
Cobalt Teal Lab Sapphire, Traditional Round Brilliant Cut, 5.73 Carats

Cobalt Teal Lab Sapphire, Traditional Round Brilliant Cut, 5.73 Carats

SQO1135

Regular price$550.00
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Shipping calculated at checkout.

🩵🩵🩵 This material stands out as the most vivid teal-colored gem on the market, boasting an intensely saturated hue with virtually no grey undertones to dull its brilliance. Its luminous, pure teal color captures the essence of tropical lagoons and is unparalleled in its vibrancy. Ideal for crafting a one-of-a-kind piece of jewelry, this stunning gem will command attention and elevate any design into a timeless statement of elegance and sophistication.

DIMENSIONS AND SHAPE

Size: 10.15mm x 10.15mm x 7.32mm

Weight: 5.73  carats

Cut: Traditional Round Brilliant

Shape: Round

Clarity: Loupe Clean

Inclusions: None

Treatment:None

 

PHYSICAL PROPERTIES

MOHS hardness: 9.0

Pleochroism: Dichroic

Dispersion: 0.018

Density: 4.0

Refractive Index: 1.76

Chemical Formula:Al2O3


POSSIBLE JEWELRY APPLICATIONS

Pendant, Daily Wear, and Engagement Ring

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🌍 GENERAL MATERIAL DESCRIPTION

  • Material Name:FF Teal
  • Country of Origin : Thailand
  • Growth Method: Flame Fusion

Cobalt flame fusion sapphire exhibits color variations due to the ability of cobalt to exist in two distinct valence states: Co2+ and Co3+, which impart blue and green hues, respectively. The majority of gemstones cut from this material feature a captivating teal shade, resulting from a blend of these two colors. Occasionally, cobalt may aggregate into minute cobalt aluminate crystals. Each gem cut from this material possesses a distinct uniqueness attributable to varying proportions of Co2+ and Co3+ within the crystal lattice.

🏭 SPECIFIC Lot INFORMATION

This material enjoys immense popularity, yet its availability remains exceptionally limited. The production runs for this material are marked by their small, irregular, and fluctuating volumes. We do our best to high grade the material only select the top 10% resulting in the most saturated gemstones.


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🧠 Gemology Literature

The articles cited here about lab created gemstones are all open source and chronologically sorted for quick and easy access. Each article comes from either the Journal of Gemmology (JofG) or Gems and Gemmology (G&G) archives.