Blue Cobalt YAG, Emerald Cut, 7.21 Carats - DJEVA
Blue Cobalt YAG, Emerald Cut, 7.21 Carats
Blue Cobalt YAG, Emerald Cut, 7.21 Carats
Blue Cobalt YAG, Emerald Cut, 7.21 Carats - DJEVA
Blue Cobalt YAG, Emerald Cut, 7.21 Carats
Blue Cobalt YAG, Emerald Cut, 7.21 Carats

Blue Cobalt YAG, Emerald Cut, 7.21 Carats

SQO1532

$490.00
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💎🔷🌈 This vivacious emerald cut gemstone, weighs an impressive 7.21 carats. With its inherent resilience, it's perfectly suited for crafting into enduring, hard-wearing jewelry pieces. The vibrant hues fluoresce beautifully under any light, capturing the richness of its coloration perfectly. Fashioned from industrial crystal scrap, this piece is eco-friendly and embodies the harmonious blend of sustainability and style. Its vibrant glow and robust composition make a striking statement in any jewelry setting. (Small micro bubbles which don't effect the beauty of the gem are present).

DIMENSIONS AND SHAPE

Size: 11.92mm x 9.0mm x 5.88mm

Weight: 7.21  carats

Cut: Emerald

Shape: Rectangle

Clarity: Loupe Clean

Inclusions: Micro Bubbles

Treatment:None

 

PHYSICAL PROPERTIES

MOHS hardness: 8.5

Pleochroism: 

Dispersion: 0.028

Density: 4.6

Refractive Index: 1.83

Chemical Formula:Y3A15O12


POSSIBLE JEWELRY APPLICATIONS

Pendant, Daily Wear, and Cocktail Ring

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🌍 GENERAL MATERIAL DESCRIPTION

  • Material Name:Co:YAG
  • Country of Origin : Russia
  • Growth Method: HDSM

A single, unidentified producer, as we understand it, employs the HDSM method to cultivate YAG doped with cobalt (which we believe to be cobalt), exclusively for the gemstone market, with no known scientific applications. This material is available in a spectrum of Swiss blue hues, with the lightest being extremely faint. The outcome is an exceptionally brilliant and strikingly vivid blue gemstone. The deeper variants yield gems of remarkable quality, boasting superior dispersion, hardness, and refractive index compared to irradiated Swiss blue topaz, making them stand out in the realm of materials with a Mohs hardness exceeding 8. Among the most vibrant green to blue color ranges found in any substance are those of Yb:YAG, Co:YAG, and V:YAG.

🏭 SPECIFIC Lot INFORMATION

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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.