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.

Revenue Slump as Petra Defers Sales

Petra reported a revenue slump for Q1 2025 after deferring the sale of almost all its South[…]

A 20.08-carat Type IIb blue diamond recovered at Cullinan.
Petra to sell blue diamonds recovered at Cullinan

Petra Diamonds (LON: PDL) announced the launching of a special tender process for the Letlapa Tala Collection,[…]

blue diamonds Cullinan
Petra Diamonds recovers five rare large high-quality blue diamonds at Cullinan Mine

South Africa’s Petra Diamonds, which put itself up for sale in June, announced on Wednesday it had[…]

Queen Elizabeth the II British Crown Jewels
Origin of British Crown Jewels’ diamond revealed

The famous Cullinan diamond, which is now the centrepiece of the British Crown Jewels, likely originated in[…]

Petra Diamonds
Petra Diamonds shares fall on lower diamond prices at flagship mine

The Cullinan diamond the largest rough gem diamond ever found

Latest Comments

No comments to show.