Round Opal Silver V-Bale Necklace A necklace that speaks of simplicity and class. This necklace features a prong setting it is Crafted in rich 925 sterling silver. This necklace contains 8 MM mainstone opal and 4 MM opal. It has 2.56 GRM Approx weight, 8 MM Approx width and 18.82 MM Approx length. The stone is believed to sharpen intelligence, enhance artistic and creative abilities, and bring knowledge and wisdom. Wearing opal is thought to bring happiness, good fortune, and a positive outlook to the wearer.