Swiss Gemmological Institute SSEF
Switzerland · Global submissions
An independent Swiss foundation providing gemstone, jewellery and pearl testing.
The Tide List · considered directory
A curated route to makers, places, restaurants, experiences, laboratories, networks and resources connected with the ocean-shaped world.
Selected with context.
Disclosed with care.
Entries begin with relevance, usefulness and an ocean connection—not payment.
Independent, submitted, affiliate and sponsored relationships are labelled.
Each record carries an information-check date and links to its controlling source.
Explore the directory
156 of 156 considered listings shown. Inclusion is informational—not a ranking, certification or guarantee.
Switzerland · Global submissions
An independent Swiss foundation providing gemstone, jewellery and pearl testing.
Blackwattle Bay · Sydney · Australia
A public seafood market and dining destination operating alongside wharves, wholesale trade, auction infrastructure, tours and seafood education.
French Polynesia
Saltwater cultured pearls whose naturally dark body colours can carry varied overtones.
Japan · International retail
Pearl-led fine jewellery ranging from classic forms to directional designs.
Global
Searches current scope-certificate data for multiple fibre and chain-of-custody standards.
United States market · Global species
FDA’s searchable guide connects scientific, common and acceptable US market names.
Global small-scale fisheries
An international research partnership focused on small-scale fisheries visibility and governance.
Bangladesh
A UNESCO-listed handloom weaving tradition associated with fine patterned textiles.
United States departures
A searchable list of items allowed in carry-on or checked baggage under US screening rules.
Tokyo · Japan
The official market site provides visitor and market context for seafood sold and served around Toyosu.
French Polynesia
French Polynesia is the recognised home of Tahitian cultured pearl production.
Palawan · Philippines
The park's official site publishes access, conservation and accredited-operator information.
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