This gorgeous necklace made of real white opal. One of the many reasons why white opal is deserving of the top spot on the list is that it is commonly thought of as the most common variety of opal. The necklace has a lovely 6 mm oval-cut natural white opal set in a classic silver cable chain. The bezel setting is used to attach the opal to the chain. For the money, this white opal necklace is the finest option overall. It has a natural opal and a luxurious beauty without breaking money.