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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

QUALITY

Inspected at the stages where a fault is still cheap to fix.

Six defined check points from incoming stones to final packing, with AQL sampling on bulk runs and a record kept per order. Before despatch you receive inspection photographs and the order record; anything that does not meet the approved sample is remade or credited, and we pay the return freight.

Inspection points

1. Incoming stones

Colour, clarity and calibration against the master stone retained for your account.

4. Post-setting

Mechanical strength and visual finish of every setting.

2. Post-casting

Dimensional accuracy, weight and structural integrity of the casting.

5. Post-plating

Plating thickness and uniformity, including rhodium and gold finishes.

3. Pre-setting

Alignment of stone and mount; no visible gaps or misalignment.

6. Final

Full check against specification, including weight and finish, before packing.

What is recorded

Alloy recipe and verified fineness, per order

Plating thickness, per batch

Stone lot, calibration and treatment, per lot

AQL sampling level and result, recorded per bulk run

Master stone reference, per customer account

Documents supplied

Commercial invoice · Packing list · Weight list

Material declaration

Stone and treatment declaration

Certificate of origin (on request)

Independent laboratory report (on request)

Ask for our inspection record on your next sample.

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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