Emerald Cut Champagne w/White Sapphire Silver ring Champagne Lab stone Stone measurements 1.mm X 12.7mm I offer an extensive array of beautiful earrings, necklaces, pendants, and rings for you as well as to make an ideal gift for all occasions. I have Exquisite Lab diamond engagement rings and wedding bands perfect for the special moment. With a vast collection of white, black, blue, champagne and yellow stones, you can be assured to find what you are looking for.