Gorgeous 14K White Gold Diamond Prasiolite Dragonfly Ring. This gorgeous piece features 63 brilliant round diamonds, weighing a total of .39 carats and a large prasiolite at its center measuring 3/8 of an inch in diameter. The top of the ring measures 3/4 of an inch wide at its widest point. The ring is size 7 and sizing is available. It weighs 4.4 grams.