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HDPL-HPHT- diamond TESTER

 
The HDPL diamond Tester is a small device best to be used with the HDPL diamond illuminator , a powerful shortwave ultraviolet light source (SWUV).

The complete package consists of:

SWUV protection glassee

The HDPL diamond tester may only be used with the HDPL illuminator and the SWUV protection glasses.
 

Principle of the HDPL Diamond Tester:

You are testing the shortwave ultraviolet (SWUV) transparency of diamonds.

 

- Diamonds of Type IaA and IaAB

are absorbing SWUV light.

Most diamonds are of this type (Cape)

AFTER HPHT PROCESS THIS DIAMOND  BECOMES CANARY YELLOW AND ORANGE.

 

- Diamonds of Type Ib

are absorbing SWUV light.

They belong to the Canary series.

AFTER  HPHT PROCESS  THIS  DIAMOND BECOMES CANARY YELLOW, ORANGE AND GREEN.

 

- Diamonds of Type IIa  and IIb

are transmitting SWUV light.

AFTER  HPHT  PROCESS  THIS  DIAMOND   BECOMES  COLORLESS (WHITE),  PINK AND BLUE.

 

- Diamonds of Type IaB

are transmitting SWUV light.

Diamonds of this type are very rare.