GIA 4C指南

Free

2.0.1for iPhone, iPad

GIA

Developer

Jul 4, 2019

Update Date

Lifestyle

Category

App Store

Age Rating

Apps in this category do not contain restricted content.

Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

GIA 4C指南 Screenshots

iPad

iPhone

About GIA 4C指南

GIA 4C应用程序利用视频和互动工具向消费者演示GIA是如何对钻石的颜色、切工、净度和克拉重量进行鉴定的。此应用程序解释了GIA的D到Z颜色等级及其对钻石价值的影响、GIA净度等级及其对钻石价值的影响、影响钻石切工等级的因素及克拉重量系统的起源。
互动工具展示:
• 钻石颜色随着GIA的 D到Z颜色等级不断变化
• 不同GIA净度等级的典型内含物及表面缺隙
• 钻石分析图及不同的切割参数对钻石切工等级的影响
• 钻石大小如何根据克拉重量的变化而变化, 从而使消费者比较不同钻石的大小
• 互动GIA鉴定证书分解-帮助消费者理解GIA证书的各个部分内容

更多功能:

• 有关荧光、常见钻石处理方式、合成钻石和仿制钻石信息。
• 直接进入GIA证书验证-GIA在线钻石鉴定证书、钻石鉴定精简版证书数据库。消费者只需输入GIA证书编码和克拉重量便可验证GIA证书内容,并查看证书的PDF版本。
• 零售商查询工具可让消费者找到销售GIA鉴定的钻石和／或有GIA培训的员工的零售商。查询：
- 在店内和／或网上销售
- 仅网上销售