VividCarat Journal
Gemology. Markets.
From the source.
Written by a gemologist who buys at China Fort market daily. Science, market intelligence, mining industry, jewellery art — and the customer service guides that explain how we work.
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Coming Soon — Blog
Gemological Science
Crystal structure, optical properties, spectrometry, origin determination methodology, inclusions as fingerprints. Peer-reviewed and practical.
Crystal systems
Spectroscopy
Origin testing
Inclusions
Synthetics
Gemstone Market Intelligence
Price trends, auction results, origin premiums, demand shifts. What's moving at China Fort, Chanthaburi, and Colombo this season.
Price trends
Auction results
Origin premiums
Sapphire market
Ruby demand
Mining & Industrial Extraction
How gemstones are found, extracted, and traded. Sri Lanka, Madagascar, Mozambique, Tanzania, Colombia — region by region.
Sri Lanka deposits
Alluvial mining
Madagascar rubies
Tanzania spinel
Supply chains
Jewellery Art & Design
Setting styles, historical jewellery movements, notable collections, how mounting affects stone appearance and value retention.
Setting styles
Art Deco gems
Engagement rings
Custom design
Vintage pieces
From the Field — China Fort
Notes from the market. What dealers are showing this week, unusual finds, price movements, and what the sourcing process actually looks like.
China Fort market
Weekly finds
Dealer relationships
Sourcing notes
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