How to Read a Sapphire Report (and Why Most Sapphires Don't Have One)
Sapphire certification is identification, not grading: no laboratory scores a sapphire's quality....
Laher Journal
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Yellow and Golden Australian Sapphires: A Buyer's Guide
Most golden sapphire on the market got its colour in a furnace. Here is what to check before buyi...
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Heat Treatment in Sapphires: What It Is and What to Ask
Most sapphires on the market are heated. Sapphire heat treatment is a ladder of temperatures, and...
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Green Sapphires: The Most Underrated Stone in Fine Jewellery
Green sapphires are blue and yellow at once, which is why they divide opinion. What to look for i...
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Ceylon Sapphire vs Australian Sapphire: Colour, Value and Character
Ceylon sapphire vs Australian sapphire comes down to iron, light and heat treatment rather than p...
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Montana Sapphire vs Australian Sapphire: How They Compare
Montana vs Australian sapphire compared on tone, treatment and price: what really separates the t...
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Sapphire Hardness and Everyday Wear: Why Sapphires Work as Engagement Rings
Sapphire engagement ring durability is about more than the Mohs scale. Here is what hardness meas...
