Beautiful. Rare. Cherished. Diamonds are the most sought-after gems on earth. Each one is unique. And each has specific qualities that establish its value. A  Diamond Grading Report gives you clear, comprehensive understanding of those qualities.

At Gianni Vincent Jewellers in Windermere, we only work with the top trade laboratories in the world. Among them are GIA (Gemological Institute of America), EGL USA, HRD and AGS, to name a few. These organizations deliver state-of-the-art analysis on every diamond we sell, so you can feel confident about choosing a stone that satisfies your individual standards for beauty and value.

This site is devoted to helping you choose both well and wisely when shopping for a diamond in Orlando, Bay Hill, Dr. Phillips and Windermere. Click below to learn about the 4 C’s (cut, carat, color, clarity) of diamonds, and how those factors affect a diamond’s quality and price. Each page contains a diamond chart that illustrates the differences between the diamond grades.

What is Diamond Cut?
What is Diamond Carat?
What is Diamond Color?
What is Diamond Clarity?