14K white gold green tourmaline and diamond ring. This gorgeous piece features one natural oval green tourmaline measuring 8 mm by 6 mm. The ring also features 22 brilliant round diamonds measuring 1 mm in diameter each. The top of the ring measures 9/16 of an inch long by 1/2 of an inch wide. It is a size 6.75. Sizing is available. The ring weighs 4.2 grams.