KP Jewelers - Grace Kelly's engagement ring is the definition of, well, grace. Fit for a princess this was not the ring Prince Rainier III actually proposed with but he later upgraded
Grace Kelly Collection 18k Gold Plated Initial Engagement Ring & Reviews - Rings - Jewelry & Watches - Macy's
![Cartier on Twitter: "In 1956, Prince Rainier proposed to Grace Kelly with a #Cartier ring adorned with an emerald-cut diamond solitaire. http://t.co/sS6NPSnJKC" / Twitter Cartier on Twitter: "In 1956, Prince Rainier proposed to Grace Kelly with a #Cartier ring adorned with an emerald-cut diamond solitaire. http://t.co/sS6NPSnJKC" / Twitter](https://pbs.twimg.com/media/B4VOz3CCAAETqhh.jpg)