Lab-created diamonds are becoming an increasingly popular alternative to earth-mined diamonds. Lab diamonds are man-made diamonds that consist of carbon atoms arranged in a diamond crystal structure with the same physical, chemical, and optical properties as natural diamonds. In other words, lab diamond rings appear visually identical to natural diamond rings—even jewelry experts find it difficult to distinguish between lab-created diamonds and natural diamonds with the naked eye.

Lab diamonds are not only sought after for their sparkle and brilliance, but they also make a sustainable choice and do not harm the Earth's surface. Lab-created diamonds are also typically more affordable than natural diamonds of comparable clarity, cut, and carat size.

If you're thinking about tying the knot, here are five of our most popular lab-created diamond engagement rings.

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