Jewellery & Gem WORLD Hong Kong 2026
Venue: AsiaWorld-Expo.Hong Kong (AWE)
Date: 14 – 18 September 2026
Booth: 3B35
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Blog
What is Gilson Opal?
Gilson Opal is the world 1st synthetic opal which has been successfully produced.
10 things you need to know about “Synthetic Opal”
"Synthetic opal" is somehow misused. Man-made opals differ in quality and values: from high-end Synthetic Opals, to the low-end imitation Opals. Table1: Quick overview of different man-made opals