Rob Kardashian was not messing around when it came to picking out the best engagement ring for his wife-to-be. Blac Chyna shared a close-up of her new 7-carat rock, which was created by one of Rob's good friends, Ben Baller, at If & Co. custom jewelers. The company gave Chyna a video that shows the sparkler from all angles, including the diamond encrusted band. She captioned the video, "I'm so blessed and honored to have good man in my life. I love you @robkardashian!"