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Diamond Certification Laboratory of Australia

Diamond Verification

DCLA is Australia’s internationally accredited diamond certification laboratory. Trusted by jewellers, insurers, and buyers for independent grading.


Find A DCLA Trustmark Jeweller

DCLA is Australia’s internationally accredited diamond grading laboratory, the trusted source for elite diamond certification, education, and resale services.

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  • [email protected]
  •  +61 2 9261 2104
  • Suite 901, Level 9, Citisite House
     155 Castlereagh Street, Sydney NSW 2000

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