Unverified85% confidenceDecision RuleTime unknown
购买天然钻务必认准GIA或国内NGTC证书，1克拉及以上尤其要有独立第三方鉴定；商场无证书或仅有店铺自出证书的钻石溢价高且难转手
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified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82% similarUnverified购买钻戒应认准GIA或国内NGTC证书，1克拉以上必须要GIA大证；莫桑石、锆石虽外观似钻但属仿钻，导热和折射率不同，需明确区分避免混淆81% similarUnverified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80% similarUnverified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79% similarUnverified卡地亚官方不附带钻石GIA证书，钻石品质由卡地亚内部分级标准保证；购买前需明确接受品牌内部标准而非GIA独立证书，若对石头4C有严格独立核查需求，这一点需提前确认。79% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/104579API
curl https://kongchang.com/api/v1/knowledge/claims/104579MCP
get_claim(id=104579)