Unverified85% confidenceDecision RuleTime unknown
钻石类鉴定认准GIA、IGI、HRD等国际证书，国内GTC/NGTC证书适合彩宝翡翠，购买裸钻务必核对证书激光腰码与钻石实际刻字一致，防止证书与货品调包
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified购买无证书或仅有商家自出证书的钻石不可取，天然钻石认准GIA/IGI/NGTC证书，且需核对证书激光腰码与实物一致92% similarUnverified买珠宝首饰认准权威鉴定证书：钻石看GIA/IGI/NGTC，翡翠看NGTC/GTC，彩宝看GRS/古柏林；同时核对证书编号与实物腰码是否一致，避免证书张冠李戴87% similarUnverified购买时应确认中央钻石的GIA证书独立随附，并核对证书编号与钻石腰部激光刻字一致；部分渠道销售的裸钻+品牌空托组合并非官方出品，需注意区分。86% similarUnverified1克拉以上钻石务必认准GIA证书（附激光腰码），克拉钻在二手/回购市场GIA认可度远高于HRD、IGI等，无国际证书的名品钻石不建议购买86% similarUnverifiedDR戒指附带GIA或IGI国际钻石证书，可通过证书编号独立核验钻石4C参数，购买时应主动核对证书与实物是否一致83% similar
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