Unverified50% confidenceFactTime unknown

18K金含金量为75%（750），比24K纯金硬度高更适合镶嵌造型和日常磕碰；14K金含金量58.5%（585）更耐磨但金色偏浅

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Unverified18K金材质含金量为75%，不含镍，过敏体质可安心佩戴，适合对金属敏感人群83% similar Unverified18K金（含金量75%）硬度优于铂金，日常佩戴耐刮花，但长期使用后表面会有细微磨损，需定期抛光维护；对金属过敏者需确认具体合金成分。77% similar Unverified白金/铂金比18K白金更抗过敏、更保值但更重更贵；日常正装18K白金已足够，铂金主要用于婚戒级别的高保值需求76% similar Unverified钨的密度接近黄金，约19.25 g/cm³76% similar

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