New! Natural Diamond 18k White Gold Engagement Ring Mount

A brand new natural diamond engagement ring mount crafted of 18k white gold (stamped "18k"). Features 78 natural round diamonds weighing approximately 1/3ctw. The diamonds are SI1 - I1+ in clarity and G-H in color. The mount will hold an approximate 5mm (1/2ct) round gemstone. Measures 5/16" lengthwise on top of finger. Ring size is 5.5. Weighs 4.5 grams.