Farmer or producer
Best placed to explain cultivation environment, harvest, farm practices and the limits of a particular season.
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EJ Pearl · directory
Maker Directory
Understand who farms, grades, drills, strings, designs and verifies.
A pearl piece passes through many hands. This directory helps a visitor understand which role they need and what that person should be able to explain.
Use this page
0103
Evidence-backed visitor workspace.
Sources, scope and local checks are visible on this page.
What you leave with
A clearer decision,
not another list.
Identify the right specialist—farmer, laboratory, jeweller or repairer—and know what evidence each can reasonably provide.
Evidence reviewed 8 August 2026Use the directory
Who can answer your question?
Move across the four decision areas, then use the source and local-check sections to test the choice before acting.
Grader or laboratory
Can document identity or observed characteristics within the scope of the examination performed.
Designer or jeweller
Should explain selection, metal, construction, setting, repair and why the design suits its intended use.
Stringer and care specialist
Can assess thread, knots, clasp and wear without promising to reverse damage to the pearl surface.
Verified starting points
Real places, products
and resources to use.
Five practical records selected for this page. Each one leads to the organisation, issuer, authority or business responsible for the information—not a copied listing.
Independently selected · No paid placement · Verified 8 August 2026GIA Pearl Identification Services
United States · Global submissions
Independent pearl identification and classification services with published report scopes.
Why use it
Check which report fits the item before submitting or paying.
DANAT
Bahrain · Global submissions
A Bahrain-based institute specialising in pearl and gemstone testing, research and education.
Why use it
Use its published services and report verification rather than seller summaries.
SSEF
Switzerland · Global submissions
An independent Swiss foundation providing gemstone, jewellery and pearl testing.
Why use it
Confirm submission, report and fee details directly with the laboratory.
Gübelin Gem Lab
Switzerland · Global submissions
An independent gemmological laboratory with published testing and report services.
Why use it
Ask whether the exact pearl item and question fall within the selected service.
CIBJO member network
International
CIBJO brings together jewellery, gemstone and precious-material organisations internationally.
Why use it
Use the network to identify recognised national bodies; still verify the individual provider.
A listing confirms a useful official starting point—not a recommendation, test result or guarantee. Availability, prices, access, certification and operating status can change; recheck the linked source before booking, buying or travelling.
Evidence behind this page
Recognised sources.
Visible limits.
Verify before you act
Check current credentials, service scope, custody terms, insurance and price directly before handing over a piece.
01
Laboratory method · Global gemmological reference
How GIA Analyzes Pearls from Start to Finish
Gemological Institute of AmericaWhat a laboratory can observe, test and document—and what a seller's story cannot establish by itself.
↗02Terminology standard · International jewellery trade
Pearl Blue Book
World Jewellery Confederation (CIBJO)International terminology for natural, cultured, composite and imitation pearls, treatments and descriptions.
↗03Responsible-sourcing framework · International jewellery trade
Responsible Sourcing Blue Book
World Jewellery Confederation (CIBJO)Questions for examining provenance and responsible-sourcing claims across the jewellery supply chain.
↗How this page was built
The page maps roles against laboratory reporting, international terminology and responsible-sourcing expectations.
Sources inform the framework; they do not endorse Eight June, a seller, product, destination or venue.
A simple way through
Use it in three moves.
- 01
Name the service you need.
- 02
Check experience with that pearl or construction.
- 03
Agree on scope, record and price before handover.
Go deeper with Ask Blue
Open the evidence
when you need it.
Use these articles for the fuller explanation, examples and context. The utility above remains the practical decision layer.
Voices · EJ Pearl
The hands behind a pearl’s final lustre
The people, judgement and patient work between cultivation and the finished piece.
Read in Ask Blue
Essence · EJ Pearl
Why do some pearls glow more deeply than others?
A clear look at lustre, surface, nacre and the details that shape what the eye sees.
Read in Ask Blue
Moments · EJ Pearl
When should pearls be checked, cleaned or restrung?
A practical care rhythm built around wear, storage and signs worth noticing.
Read in Ask Blue