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HDPL-HPHT- diamond TESTER |
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The complete package consists of: |
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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. |