How to Value Loose Diamonds – Natural Gemstones And Opal

Tag Archive for 'heat treatment'

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Rubies and Sapphires

Rubies and Sapphires Question: I am considering the purchase of a loose ruby and a loose sapphire for custom made pieces.

I’ve done a lot of research on quality, origin, treatments, etc. It’s a little overwhelming to say the least, but after all is said and done, my question is this: all other things being equal (sort of!) is the better ruby value in a heat treated Burmese, or an unheated one from anywhere else?

Likewise for sapphires, heated from Burma or Ceylon, or unheated from anywhere else?

I’m trying to keep it under the 5 figure… Continue reading Rubies and Sapphires

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