Short answer: choose the material and finish according to the design, target retail position, wearing conditions, construction, and testing requirements. Gold plated brass and 925 sterling silver suit different design, cost, and wear requirements. “Gold jewelry” does not identify the base metal or the coating system.

Start with the product brief, not the metal name

Consider two products from the same launch: a large sculptural earring and a slim everyday chain. The earring may need a manageable weight and a finish that supports its visual impact. The chain may need a different balance of flexibility, color, surface, and cost. Asking for “the best material” before describing the product usually produces a vague answer.

Qiuqiu Atelier's current FAQ identifies gold plated brass and 925 sterling silver as the two core lines, with finish and anti-oxidation details needing their own confirmation. That distinction matters because the base material and the surface treatment do different jobs.

Brass: useful for shape, detail, and fashion jewelry development

Brass is often chosen for cast or formed fashion jewelry because it can support detailed shapes and a broad range of finishes. It may suit statement pieces, pendants, earrings, and designs where the form matters more than a solid precious-metal claim.

The buyer should still confirm the plating or coating system, color, thickness target, component contact points, and expected exposure to water and daily wear. A brass product should not be described as “waterproof” simply because it has a gold-color finish.

925 silver: a material claim that still needs a finish discussion

925 silver refers to the base metal standard. It does not automatically specify whether the surface is polished, rhodium finished, gold plated, or protected by another treatment. The buyer should confirm the intended color, anti-oxidation expectations, stamp or hallmark requirements, and packaging or care instructions for the market.

Qiuqiu Atelier's FAQ specifically warns that water-and-wear performance depends on the base material, coating system, component design, contact chemicals, and test method. If a buyer needs a wear claim for a brass or silver piece, define the use case and agree on sample testing rather than relying on a general label.

Plating is a specification, not a color word

Ask the factory to clarify:

  • base material and component material;
  • plating color and layer system;
  • requested thickness range, if relevant;
  • measurement points and test method;
  • anti-oxidation or top-coat requirements;
  • intended exposure to water, sweat, perfume, and cleaning products;
  • how the approved sample and bulk inspection will be compared.

For example, 2.5–5 µm describes a requested thickness range in micrometers. It does not, on its own, tell you how the number will be measured or whether the finished piece will behave the way a customer expects.

Match the finish specification to the marketing claim

If your product page says “for occasional styling,” your testing discussion may differ from a product positioned for daily wear. If your buyer wants a bright gold look, color matching may matter more than a heavy layer. If the product is intended for sensitive skin, the component and compliance discussion needs to be handled explicitly.

Compare materials by the job they need to do

For a lightweight statement earring, ask how material choice affects weight, structure, and surface detail. For a daily chain, ask about flexibility, clasp components, color matching, and the intended wear conditions. For a silver ring, confirm the base standard, finish, care expectation, and size or weight record.

This approach also helps with cost decisions. If the customer mainly values the shape, a change to the hidden construction may be more sensible than changing the visible finish. If the customer mainly values long-term wear, the coating system and base material may deserve more of the budget than a complex hidden detail.

Avoid the word “waterproof” without a test definition

Water, sweat, perfume, sunscreen, cleaning products, friction, and skin chemistry do not affect every product in the same way. A factory and buyer should define the intended claim, sample condition, exposure, observation period, and acceptance criteria before using a strong wear statement in product marketing.

Bring the use case to the quotation

Tell Qiuqiu Atelier what the piece is, how it will be worn, what retail promise you want to make, and which market it is for. The team can then discuss material and finish options on a project basis instead of selecting a metal from a generic list.

The final choice should be recorded in the sample and quotation, including the parts that are easy to overlook: backs, clasps, jump rings, chain extensions, and the inside of a ring. Those small components can touch the skin or change the way the product wears.