Elegantly elongated, oval cut diamonds are a growing engagement ring trend. And a 2 carat oval diamond ring looks noticeably larger than a two carat round, making an oval diamond an excellent choice for anyone who loves sparkle.Buying a 2 carat oval diamond ring online used to be challenging. But finding the perfect oval diamond is much easier with help from ROSI, our artificial intelligence powered by IBM’s Watson. ROSI searches through all the 2 carat oval diamonds available on the market to find the best balance of quality and value for your budget. Once you select your oval diamond, we’ll make your engagement ring to order in our Los Angeles workshop from your choice of recycled precious metals.