Simply stunning, a 1/2 carat solitaire diamond ring is an instant classic. To create a memorable solitaire engagement ring with lasting quality, start with a loose half carat diamond. Just ask our digital gemologist ROSI, who uses artificial intelligence enhanced by IBM’s Watson to search through all the diamonds available to find the diamond with the best balance of quality and value, weighing more than 20 quality factors. Then create your own 1/2 carat solitaire ring in your choice of recycled precious metals. We’ll craft it from scratch in our Los Angeles studio to fit your diamond and your finger perfectly.