Vintage 5ct Synthetic Sapphire 18k White Gold Ring To Restore

A classic vintage synthetic sapphire and natural diamond ring crafted of 18k white gold (stamped "18k"). Features a synthetic blue cabochon shaped sapphire weighing approximately 5ct. The stone shows some abrasions on the girdle. Accented with 2 natural single cut diamonds. Measures 11.3mm lengthwise on top of finger. Ring size is 5.75. Weighs 11.0 grams. The bezel of the ring needs to be cleaned up.