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.

Tiffany Necklace Breaks Records at Sotheby’s

The Medusa necklace, one of the earliest pieces designed by Louis Comfort Tiffany, sold for more than[…]

Colored Diamonds Set to Sparkle at Sotheby’s

A blue diamond ring is among the top lots at the Sotheby’s Magnificent Jewels sale in New[…]

A rare 100+ carat diamond sold for $12.3 million with cryptocurrency

The Key 10138, the rare pear-shaped diamond, that was auctioned at Sotheby’s on Friday, has been sold[…]

73ct. Yellow to Shine at Sotheby’s New York Sale

Sotheby’s will offer a fancy-vivid-yellow diamond ring at its New York sale next month, estimating the piece[…]

Cartier diamond bracelet
A Nearly 64 Carat Diamond Cartier Bracelet Could Fetch HK$40 Million at Sotheby’s

An iconic Cartier bracelet with 63.66 carats of pear-shaped D color, internally flawless diamond set on rock[…]

Emerald
Cartier Emerald And Diamond Ring Fetches $3.6 Million At Sotheby’s

A Cartier emerald and diamond ring blew past five fancy colored diamonds to become the top lot[…]

12.38-carat, fancy-pink diamond ring
Sotheby’s Nets $18M at Live New York Jewellery Sale

Sotheby’s garnered $17.9 million from its Important Jewels sale in New York, with a pink-diamond ring taking[…]

102.39-carat D-flawless oval diamond
102 Carat D Flawless Diamond Fetches $15.6 Million

A 102.39 carat D color flawless oval diamond was sold in a single lot auction for more[…]

The 118.88-carat Burmese sapphire and the 6.41-carat pigeon’s blood Burmese ruby.
Sotheby’s to Sell 119ct. Sapphire in Hong Kong

 Sotheby’s will sell a 118.88-carat, royal-blue, unheated Burmese sapphire in Hong Kong next week, the largest of[…]

102.39 carat D Colour Flawless Oval Diamond
Sotheby’s is set to auction off one of the rarest diamonds in the world

Sotheby’s is set to auction off a 102 carat diamond that could become the most expensive jewel[…]

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