© 2026

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.

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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