GIA

Rated 4.33(400) — GIA

GIA’s 4Cs app features video and interactive tools that teach consumers about how GIA grades color, cut, clarity and carat weight. It explains GIA’s D-to-Z color scale and how diamond color can affect value, GIA’s clarity scale and how diamond...

Rated 3.75(8) — GIA

This app provides information about the provenance of a diamond, with additional information about manufacturing, polishing, grading, etcThe app also features Retailer additional information as well as tools to share the diamond information with friends..

Rated 4.26(35) — GIA

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:...