Cerulean Blue Lab Sapphire IS A
Fluorescent Gem
Cerulean Blue Lab Sapphire IS grown using the
Flame Fusion method
Cerulean Blue Lab Sapphire, Pixel Rectangle Cut, 10.48 Carats
Cerulean Blue Lab Sapphire, Pixel Rectangle Cut, 10.48 Carats
Cerulean Blue Lab Sapphire, Pixel Rectangle Cut, 10.48 Carats

Cerulean Blue Lab Sapphire, Pixel Rectangle Cut, 10.48 Carats

SQO940

Regular price$620.00
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Shipping calculated at checkout.

💙💙💙 This cobalt-colored blue lab sapphire is truly extraordinary, offering a breathtaking depth of color that sets it apart from traditional blue sapphires. Unlike conventional varieties, which derive their hue from the presence of titanium and iron, this sapphire owes its vivid blue brilliance to cobalt doping—a unique process that creates an unparalleled intensity and richness in color. Whether featured in an engagement ring, a statement pendant, or a bespoke bracelet, this sapphire's striking beauty ensures it will be the centerpiece of a truly one-of-a-kind piece of jewelry. 

DIMENSIONS AND SHAPE

Size: 13.05mm x 10.6mm x 7.2mm

Weight: 10.48  carats

Cut: Pixel Rectangle

Shape: Rectangle

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 Cocktail Ring

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🌍 GENERAL MATERIAL DESCRIPTION

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

Presently, a large fraction of contemporary cobalt flame fusion sapphire growth exhibits variegated coloration, characterized by intermittent regions of green and blue hue. On rare occasions, an entire boule achieves homogenous saturation in a vivid blue tone, yielding a distinct cerulean gemstone when subsequently faceted. This chromaticity markedly deviates from the conventional blue imparted by titanium and iron. These gemstones exhibit a subtle red fluorescence, discernible in outdoor sunlight conditions.

🏭 SPECIFIC Lot INFORMATION

Approximately 2-4% of cobalt flame fusion sapphire production in Thailand comprises this specific blue variant. Our current inventory of this particular material is characterized by limited availability.


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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.