With More Than 2 Million YouTube Views!
These are our most popular tutorial videos which you can read more about in our blog posts
Unheated Ruby VS Lead Glass Filled Ruby
First one is the oldest with over 240K Views! In this video, we distinguish between a very expensive unheated ruby with extremely cheap lead glass filled ruby (composite ruby) under microscope.
How much does a one carat ruby cost?
Over 150K Views! In this video, we discuss the thought process in determining the value for a one carat ruby based on 6 criteria's which I call 4Cs + OT. The criteria are Carat Weight, Color, Clarity, Cut, Origin and Treatments.
Emerald Treatment Guide
Over 180K Views! In this video, we explain the difference between emerald qualities and treatment levels - from no oil (no treatment) to insignificant to moderate oil emerald. Explanation done under microscope.
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How may we help you?
Email us what you are looking for. It could be questions about gemstones, diamonds, and jewelry manufacturing processes available. From there we will try to provide you relevant information details.
Gemstones Details
What are different type of Gemstone's treatments, colors, certification and standards available in the market right now. Also, latest prices that we can find from the our supplier network.
Diamond Details
From our network, we can source over 500,000 GIA certified diamonds. 1,000 times more then any normal retail store. We will also explain the 5C's, NO BGM, and Fluorescence details
Jewelry Details
What options are available in making jewelry in Thailand, which includes 9K, 14K, 18K, Gold and Platinum factories! Also any questions like hand drawing, 3D CAD and hand made or caste manufacturing process
But don't take our word for it...
Check ‘Perfect’ 5-Star Ratings at Google Page or at TripAdvisor
Graduate gemologist (GIA)
Tarun Gupta
Hi, my name is Tarun Gupta, GIA Graduate Gemologist, AJP™. I have been serving the Bangkok gemstone trade for the last fifteen years.
Educating, searching and sourcing the world’s finest:
a) Gemstones
b) Diamonds
c) Create Custom Jewelry
For people in Bangkok and beyond.
My Grandfather started the gemstones wholesale business in the 1950s. He was the “undisputed source provider” to most dealers for 20 years from the 1960s to 1980s. You can learn more about our company’s history at our History page.