4Cs

How to Determine a Value of Blue Sapphire? Based on 4Cs plus OT – A Buying Guide [Video]

I decided to do a video tutorial explaining how I will go about determining the value of a blue sapphire. The method I used to determine the value is by first categorizing the stone based on the 4Cs + OT method. The six criteria I have summarized in bullet form below: HOW TO DETERMINE A …

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How would I choose a diamond ring? – GIA Graduate Gemologist Opinion

How Should I Choose a Diamond Ring? For the last few years, I have custom made quite a few diamond engagement rings for locals, tourists and expats in Bangkok and most often the first question I am asked is ‘How should I choose a diamond ring?’. A perfectly relevant question it is, coming from someone who …

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How much does no oil emerald cost? Five No Oil Emerald Comparison

How much does it cost to buy a 1 to 3 carat untreated, no oil, 100% natural emerald from Zambia?

Continuing with the series in how much a particular gemstone should cost, today I will try to tackle another common question I get asked which is – “how much does a no oil, untreated, 100% natural emerald cost? Can you forward me a price list for these type of emeralds from 1 carat to 3 …

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How to buy a diamond online in Bangkok or anywhere else?

BUYING DIAMOND ONLINE IN BANGKOK Buying a diamond online today has never been easier.  There are now multiple websites providing free access to diamond inventory search lists, actual GIA (or other certificate) copies for each choice and beautiful finished ring images. Therefore, you can now just search and browse your ring choice and then buy …

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How much does it cost to buy Natural Burma Ruby in Bangkok, Thailand?

Another common question which always comes to us is “How much does it cost to buy a Burma ruby in Bangkok?” “ Shouldn’t it be cheaper to buy the rubies at the source in Myanmar like at Mogok or Mong Hsu instead of coming to Bangkok?” “ Why will the rubies be cheaper in Bangkok?” …

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