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.

Rio Tinto Production to Slump as Diavik Dries Up

Rio Tinto has forecast a sharp drop in rough-diamond output for next year as the Diavik mine[…]

Rio Tinto’s Unique $1.24m Midnight Sun Diamond Ring

Pink and yellow diamonds from two iconic Rio Tinto mines – Argyle and Diavik – have been[…]

Christie’s Garners $46M from Hong Kong Sale

Christie’s Garners $46M from Hong Kong Sale

Diamond diggers in South Africa’s deserted mines break the law — and risk their lives

Bracing against the vibrations of the jackhammer, illicit diamond miner Jefferson Ncube bores steadily into the rock[…]

Secondhand Watches Are in Hot Demand. Is the Surge Sustainable?

Pre-owned timepieces are beating jewelry at auction and outselling hard-to-get newer models.

$35M Pink Diamond Pulled from Christie’s Sale

13.15-carat pink diamond will no longer be available at the upcoming Christie’s Magnificent Jewels

Gübelin Launches Online Marketplace for Traceable Gems

The House of Gübelin has introduced a digital exchange that enables buyers and sellers to connect directly[…]

Bloomingdale’s Marks Its 150th With Diamonds

Harakh Mehta created a three-piece, 150-carat diamond set to celebrate the store’s big anniversary.

Burgundy Diamond Mines Chief Exits

Peter Ravenscroft. (Burgundy Diamond Mines)

$15M Blue Diamond to Hit Christie’s Auction Block

A blue diamond pendant will be among the headliners in next month’s Christie’s sale in New York,[…]

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