Unverified83% confidenceFactTime unknown
黄金（足金/Au999）质地软不适合镶嵌宝石作日常戒指，硬金（如5G/古法工艺）硬度提升但工费高、按件计价而非克重，回购时工费不计入
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83%
Confidence
Long-term
Relevance
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Unverified材质越贵越保值但设计过时快，纯金/铂金素圈保值性强；镶嵌款设计溢价高、二手贬值大，追求款式频繁更换选轻奢包金（gold vermeil，925银镀2.5微米以上18K金）更实际71% similarUnverified5G硬金虽硬度优于传统足金，但仍属软金范畴，长期与硬物摩擦或频繁拉扯仍会造成划痕与变形，不适合重体力劳动时佩戴。71% similarUnverified18K金（含金量75%）相比24K纯金硬度更高、不易变形，细链日常佩戴抗弯折能力优于纯金，但仍需避免大力拉扯。70% similarUnverified18K金（Au750）硬度高于足金（Au999），适合镶嵌宝石和做细链条不易变形；足金软易划痕但保值性强，编织类和活动关节手链优先选18K金69% similarUnverified18K金(Au750)硬度高、适合镶嵌宝石且不易变形；足金(24K/千足金)偏软，做成戒指易刮花变形，更适合光面素圈或作为保值持有69% similar
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