what are marquise diamonds
Loose Marquise Cut Diamonds. The Marquise diamond cut is a regal, elongated shape with tapering points at both ends. Its shape will flatter your finger, making it appear longer. When choosing a Marquise cut loose diamond, the length-to-width ratio is very important and should be in the range of 1.7:2.0.It is important to choose a Good to Excellent Symmetry to maximize the stone s face up beauty and contrast brilliance. marquise-cut diamond should be mounted with six prongs: four positioned on the sides to hold the body of the stone securely and two V-shaped prongs to protect the points at either end, which is the most vulnerable part of the diamond.