價格：免費
檔案大小：2.1 MB
版本需求：需要 iOS 9.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
A reliable benchmark standard for independent, market-driven, accurate wholesale pricing for the gem and jewelry industry. View pricing on individual stones in wholesale or retail, and even control the markups.
Note: A Subscription to the GemGuide pricing is required to use this app.
支援平台：iPhone, iPad