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 […]
How to Determine a Value of Blue Sapphire? Based on 4Cs plus OT – A Buying Guide [Video] Read →
Lab Grown diamonds is one topic which is not going away from the news or diamond trade discussion for the last few years. Since the big announcement in early June by De beers that they are creating their own lab grown diamond jewelry line and then the second big announcement by US Federation Trade
In our previous blog posts, we have discussed how to determine the value of colored gemstones. In summary, colored gemstones value affected by six factors. Color Carat Weight Clarity Cut Origin Treatment However, certain gemstones actually exhibit different phenomena effects like Adularescence Asterism Chatoyancy Iridescence Play of Color Color Change So, “How do these
Opal is one of the most popular phenomena gemstones. They display very unique characteristics like ‘play-of-color’ or different background fire colors. They are quite abundant but also rare as well depending on the quality grades. Different quality has different price levels which we will explain below. How to Buy an Opal – Opal Classification
Natural Opal buying guide – How to check and understand difference between different opals? Read →
EMERALDS CAN BE ETHICALLY SOURCED Gemfields has decided to tackle head on a big issue which has been plaguing the gem trade for a long time. How to guarantee the emerald you bought is ethically sourced? Through the partnership with Gübelin Gem Lab, they came up with a very creative solution by using Gübelin’s
Is it Cheap to Buy Diamond Engagement Ring in Bangkok? How competitive is it to buy a diamond engagement ring in Thailand? Being ‘one the major traditional center for gems and jewelry trade,’ we expected diamond rings to be competitively priced in Bangkok. So, for this blog post we actually decided to check objectively
Are Engagement Rings Cheaper in Thailand? Read →
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
How would I choose a diamond ring? – GIA Graduate Gemologist Opinion Read →
BEST LAB TO CHECK GEMSTONES What is the best lab to check gemstones? Buying a high quality ruby, sapphire or emerald isn’t cheap, but how do you know the beautiful expensive gemstone you are buying is the quality you are expecting? As I have discussed in our previous blog posts, it is very important
What lab or certification is the best for checking your expensive ruby, sapphire or emerald? Read →
HOW TO BUY FANCY COLORED DIAMONDS? – FANCY DIAMONDS ARE RARE Buying fancy colored diamonds is not easy. Colored diamonds are one of the rarest and most fascinating gems in the market. As there are so few of them available, it is very difficult to evaluate what should be the fair market price. These
How to Buy or Value a Fancy (or multi) Colored Diamond? Read →