The Lazare Diamond 4Cs is an Android app that serves as an interactive tutorial for anyone interested in buying a diamond. Developed by Lazare Kaplan International Inc., the app is a great sales tool for retailers and sales associates who want to teach the qualities of Cut, Color, Clarity, and Carat Weight to their customers.

The app features interactive screens, videos, and side-by-side comparisons to demonstrate the 4Cs. It also allows you to compare your own diamond against the Color Lab samples, helping you decide which diamond is your best value.

In addition, the app includes a store locator that finds the closest Lazare retailer to you. You can also connect with the Lazare community through Twitter and Facebook to stay updated on events and future product launches.

Overall, The Lazare Diamond 4Cs is a great app for anyone who wants to learn more about diamonds and make an informed purchase. It is available for free on the Google Play Store.