A one carat diamond platinum ring will stand the test of time as platinum is the premium precious metal, rare, pure and durable. All the world’s famous diamonds, from the Hope Diamond to the Cullinan in the British Crown Jewels, are set in platinum because it holds gems the most securely. Platinum is also hypoallergenic because it is 90-95% pure and it won't irritate the most sensitive skin. To create a one carat diamond ring in platinum that you’ll love forever, start with a colorless diamond. Platinum will showcase the icy color of a fine diamond with a E, F or G color. We use artificial intelligence to recommend one carat diamonds that are guaranteed to sparkle. Once you find the right diamond, we’ll craft your one carat diamond ring in recycled platinum. We make every ring to order in our studio in Los Angeles so we can make sure that every detail crafted to the highest possible standard of quality. Your platinum ring is backed by a lifetime guarantee.