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MOQ FROM 10 PCS/STYLE (NEGOTIABLE)  ·  SAMPLING 5–7 BUSINESS DAYS  ·  REPLY WITHIN 1 WORKING DAY  ·  METALS 925 SILVER, 9K–18K GOLD  ·  INCOTERMS EXW, FOB BANGKOK, CIF

COMPLIANCE & TESTING

Compliance and testing for your market.

We manufacture in declared materials, disclose stone treatment, and can arrange the test reports your market requires through an independent laboratory. Tell us where you sell and we will match the documentation to it.

Materials we work in

METALS

925 sterling silver

9k / 14k / 18k gold

Fineness verified before stamping

PLATING

Gold 1–2.5 µm

Vermeil 2.5 µm+ (on request)

Rhodium & black ruthenium

STONES

Genuine gemstones

Treatment disclosed per stone

Cubic zirconia stated as synthetic

Testing we can arrange

On request, and quoted per order, we can arrange independent laboratory testing and supply the report with your shipment:

Nickel release (EN 1811)

Lead content

Cadmium content

REACH declaration

Metal fineness (assay)

Stone & treatment declaration

By market

United Kingdom

Silver and gold above the hallmarking weight thresholds are hallmarked as required.

European Union

Manufactured to meet the EU nickel release limit; REACH declaration on request.

United States

Vermeil supplied to the FTC definition (2.5 µm+ gold over sterling); metal and plating stated on every quote.

Australia & others

Documentation matched to your import requirements — tell us the market at enquiry.

Duties and customs clearance are the buyer’s responsibility and are not included in our pricing. The duty position in your market is a matter for your customs broker, not something we advise on.

Tell us your market and we will match the paperwork.

Crimson Gems

Silver and gold jewellery, manufactured to specification in Bangkok, Thailand.

CONTACT

LOCATION

Jewelry Trade Center

919/408, 32nd Floor

Silom Road, Bangkok 10500

Thailand

CAPABILITIES

925 Sterling Silver

9k–18k Gold

Rhodium & Ruthenium Plating

Ruby, Sapphire, Emerald

Custom Development & Bulk Production

© 2026 Crimson Gems · Reg. 0105554078931 · TGJTA member · All rights reserved.

Jewellery manufacturer · Bangkok, Thailand

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