© 2026

History of Diamond Grading in Australia

Blogs & News

Explore DCLA’s legacy as Australia’s leading diamond authority. Learn our history, meet the founders, and discover our unmatched grading expertise.

Tone Degree or depth of colour in terms of lightness or darkness
July 19, 2017
Tone

Tone refers to the degree or depth of colour in a diamond, specifically indicating its lightness or

Latest Comments

No comments to show.

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

Policy
Terms & Conditions
Privacy Policy
Safety & Security
Contact
  • [email protected]
  •  +61 2 9261 2104
  • Suite 901, Level 9, Citisite House
     155 Castlereagh Street, Sydney NSW 2000

© 2026 . Created for free using WordPress and Kubio

Cookie policyPrivacy PolicyTerms & conditions