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IGI Certificate 0.5ct Round Lab Diamond 5mm HPHT 3EX D/F Color VVS1 Clarity Diamond

IGI Certificate 0.5ct Round Lab Diamond 5mm HPHT 3EX D/F Color VVS1 Clarity Diamond

Precio habitual £135.99
Precio habitual £274.99 Precio de oferta £135.99
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SPECIFICATIONS

 

Certificate:   Yes

Certificate Type:   IGI

Item Type: Beads / Round

Item Weight: 0.5 Carats

Main Stone: Lab-Grown Diamonds

 

Treatment:   HPHT

Size:  5 mm

Purity: VS2

Color:  D   (the best)

 

HPHT (High Pressure High Temperature) Diamonds

  • How it works: This method mimics the natural conditions deep inside the Earth. Carbon is placed in a special press and subjected to extremely high pressure (over 5 GPa) and very high temperatures (above 1,400 °C). Under these conditions, carbon atoms crystallize into diamond around a small seed crystal.

  • Key features:

    • Produces diamonds relatively quickly.

    • Often used for smaller stones, industrial diamonds, or to improve color in natural diamonds.

    • HPHT diamonds can sometimes show a metallic tint or inclusions due to the metal catalysts (iron, nickel, cobalt) used in the process.

  • Result: A real diamond with the same hardness and structure as a natural one, created in weeks instead of billions of years.

 

 

 

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              CERTIFICATE   EXAMPLE

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