Gem Stones Topic | First State Auctions

Gem Stones Topic

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Precious stones of Australia

Australia is a land rich in minerals and is the world’s largest producer of opals. Wonderful and unusual stones can often be found at auctions, and whether you’re looking for rare pink diamonds, precious jade or opals, it’s a smart way to get an amazing price. Here’s a guide to some true Australian sparklers.


Sapphires - True Blue indeed!

Sapphires are the most precious and valuable blue gemstone sought after due to its admirable colour, hardness, durability and lustre. While diamonds are cherished for their brilliance, sapphires are adored for their colour.


Aquamarine — the Sea Gem, the Stone of Eternal Youth and Joy!

From the light blue of the sky to the deep blue of the sea, aquamarines shine over an extraordinarily beautiful range of mainly light blue colours. Aquamarine is a fascinatingly beautiful gemstone.


Tanzanite - a one generation gem stone

The story of Tanzanite gem stones is intriguing, a romantic journey which is playing out right in front of our eyes, right now! It has grown exponentially in popularity because of its stunning blue-purple colour and increasingly understood scarcity.


Ruby Treatment – the Good and the Bad

When it comes to some ruby treatments…the glass is not half full - its totally empty! Gems have been treated for centuries, and some of the treatments are commonly accepted in the jewellery trade and by gemmologists.