Exquisite 14K White Gold Huge Smokey Quartz Diamond Ring Band. This unique piece features one huge natural smokey quartz weighing 2 carats surrounded by numerous brilliant round diamonds totaling 0.25 carats. The top of the ring measures 5/8 of an inch across. The ring is a size 6.75. Sizing is available for an additional fee. It weighs 4.6 grams.