Unverified90% confidenceDecision RuleTime unknown
日常佩戴金饰选18K金(含金量75%)而非足金,18K金硬度达HV120以上不易变形刮花,适合镶嵌宝石;足金硬度仅HV40左右,纯素圈可选但镶钻款容易掉石
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90%
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Long-term
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Unverified日常佩戴选18K金(含金量75%)而非足金(24K/999),足金硬度低(莫氏2.5)极易变形刮花,18K金硬度高更适合做纤细链条和长期佩戴83% similarUnverifiedK金手链纯度越高(如24K)越保值但越软易变形,日常佩戴推荐18K(含金75%)平衡硬度与色泽;14K更硬适合镶嵌但金色偏淡80% similarUnverified日常佩戴的项链/手链选18K金而非PT950,18K金硬度高(约HV120)耐磨抗变形,PT950较软易划伤刮花;婚戒等一生一次场景选铂金取其纯净寓意与抗过敏78% similarUnverified18K金比24K金更适合日常耳饰,纯金(24K)太软易变形磨损,18K金含25%其他金属硬度高、造型稳定且不易勾坏头发衣物75% similar
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