Lab-created gemstones are perfect substitutes for real, naturally mined gemstones. While they are technically imitation gemstones and are sometimes referred to as fake gemstones, these high-quality synthetic gemstone imitations possess the same physical, chemical, and optical properties as naturally mined sapphires at a fraction of the cost. We offer brilliant-style gemstones in a variety of popular carat sizes with the same finishing process as top-quality natural gemstones. All gem-look loose gemstones are hand-cut and hand-polished to gemstone quality standards. Compared to naturally mined sapphires, our man-made lab-created synthetic gemstones have the exact same Mohs hardness of 9, and they have the same chemical properties as natural gemstone,giving you peace of mind that they are durable and will withstand the same wear and tear as naturally mined gemstones. Select your carat size equivalent based on the millimeter size listed. Custom gemstone cutting services are also available by special order.