How to Value Loose Diamonds – Natural Gemstones And Opal

Tag Archive for 'sapphire'

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Gemstone Valuation Center

Gemstone Valuation Center:

Welcome to the Online Gemstone Center, which is part of a small private network of websites involved in all things to do with Jewelery in general, and at this site – Diamonds and Natural Gemstones.

Notice that I have emphasized ‘Natural Gemstones’ as we don’t want to be bogged down with the ‘Imitation Faux Gems’ or the ever increasing ‘Synthetic Gemstones’ – including the ever versatile Cubic Zirconia or ‘CZ’ as it is more commonly known.

We can leave those to my other sites…

As a professional and fully qualified gemmologist, it is… Continue reading Gemstone Valuation Center

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

Uncut Gems Worth Cutting?

Determining Which Stones Are Worth Cutting Question: Hello there, I have a number of uncut stones of different varieties (emerald, ruby, sapphire, topaz, etc.) that I have found.

Introduction to Lapidary (Jewelry Crafts)

Price: $9.96

I was trying to see how can i find out if an individual stone is worth the investment in cutting beforehand?

The reason for knowing so is that I could try to sell it for more than I put into the cutting or at least have good quality stones for personal jewelry.

I am trying to see where I can look for places to get this advice in my area.

Is there also anything an average person can look at in a particular uncut stone that might be an indicator that a particular stone is of good quality?… Continue reading Uncut Gems Worth Cutting? | 1 Comment

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