Fans have gone crazy after spotting a diamond ring on Kris Jenner's finger. Rumours have started to swirl that Kris Jenner is engaged to her long-term partner Corey Gamble after she shared a snap wearing a huge diamond ring.The 67-year-old momager took to her Instagram Story to share a picture of the enormous sparkler, which has been estimated to be worth a massive £1million ($1.2million), the Daily Star reports. In an Instagram Story post, Kris shared a close-up snap of the ring on her wedding finger, as she held hands with Corey, 42.The stunning piece of jewellery had a simple silver band and a sparkling jewel in the centre Fans went wild for Kris' snap and instantly started speculating that she's about to tie the knot.