Teal "Paraiba" YAG, Trillian Internal Reflections Cut, 51.2 Carats


Regular price$1,200.00
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Gem Note

😲😲😲 Yb doped YAG is an extraordinary gem material. Its vibrant blue color is one of the most intense, evoking images of the world's finest tourmalines. This gemstone can be transformed into a unique piece of jewelry that will remain stunning for a lifetime.



Size: 21.34mm x 21.34mm x 13.42mm

Weight: 51.2  carats

Cut: Trillian Internal Reflections

Shape: Trillian

Clarity: Loupe Clean

Inclusions: None

Treatment: None



MOHS hardness: 8.5


Dispersion: 0.018

Density: 4.6

Refractive Index: 1.83

Chemical Formula: YB3+Y3A15O12


  • Pendant
  • Cocktail Ring
  • Brooch


  • Vivid
  • Eco-Friendly


  • Material Name:Yb:YAG
  • Country of Origin : China
  • Growth Method: Czochralski

Ytterbium-doped Yttrium Aluminum Garnet (Yb:YAG) is a highly efficient laser material widely used in industrial and medical laser systems. Known for its strong absorption bands in the near-infrared range, Yb:YAG is particularly effective for high-power applications. Its main advantage lies in its low quantum defect, which leads to minimal heating and high efficiency, making it ideal for high-power and continuous-wave laser operations. In industrial settings, Yb:YAG lasers are extensively used for cutting, welding, and drilling a wide range of materials, including metals, plastics, and ceramics. Their precision and control make them invaluable in the automotive, aerospace, and manufacturing sectors, especially where high-quality and intricate work is required. In the medical field, Yb:YAG lasers are used for various surgical procedures, including in ophthalmology and dermatology, due to their precision and minimal thermal damage to surrounding tissues. Their reliability, efficiency, and versatility make Yb:YAG lasers a cornerstone in the development of modern laser technologies, driving innovations in both industrial manufacturing and medical procedures.


This particular batch of rough material was sourced from discarded sections of defective boules originally designated for laser rod manufacturing, acquired from a crystal warehouse located in China. Each individual boule exhibited a distinct range of hues, ranging from a subtle minty green to a vibrant teal.

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Teal "Paraiba" YAG, Trillian Internal Reflections Cut, 51.2 Carats
Teal "Paraiba" YAG, Trillian Internal Reflections Cut, 51.2 Carats
Teal "Paraiba" YAG, Trillian Internal Reflections Cut, 51.2 Carats
Teal "Paraiba" YAG, Trillian Internal Reflections Cut, 51.2 Carats
Teal "Paraiba" YAG, Trillian Internal Reflections Cut, 51.2 Carats

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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.