14K white gold paraiba tourmaline and diamond ring. This beautiful piece features one oval paraiba tourmaline at its center, surrounded by numerous brilliant round diamonds. The paraiba tourmaline measures 8 mm by 6 mm and weigh about 1 carat. The diamonds weigh 1 carat total. The top of the ring measures 5/8 of an inch long. It is a size 7.25. Sizing is available. The ring weighs 5.6 grams.