Loose Lab-Created Gemstones

Shop an extensive collection of breathtaking lab gemstones, including rubies, emeralds, sapphires, and alexandrites. Our Lab-Grown Gemstones are identical in every way to earth-mined gems. They are 100% real and carry the same physical, optical, and chemical makeup as their earth-mined equivalents. Besides being the ethical and sustainable choice, at just $395 USD per carat, Lab-Grown Gemstones cost approximately 90% less!

Learn about lab-created gemstones.

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Loose Lab-Created Gemstones

Shop an extensive collection of breathtaking lab gemstones, including rubies, emeralds, sapphires, and alexandrites. Our Lab-Grown Gemstones are identical in every way to earth-mined gems. They are 100% real and carry the same physical, optical, and chemical makeup as their earth-mined equivalents. Besides being the ethical and sustainable choice, at just $395 USD per carat, Lab-Grown Gemstones cost approximately 90% less!

Learn about lab-created gemstones.

Exquisite American-Grown Gems

Simply put, our Lab-Grown Gemstones are the finest on the market. Available in a wide range of sizes, shapes, and colors, each stone is meticulously grown in a controlled lab environment, right here in the USA. Our loose lab-created gemstones are precision-cut to perfection, resulting in gems that are more beautiful and refined than anything mined from the earth.

Beyond their beauty and affordability, Lab-Grown Gemstones are the only option for those seeking to avoid the humanitarian and environmental conflicts associated with earth-mined gemstones. Feel good about owning gems that align with your values.

Your Purchase Makes a Difference

At least 10% of all profits go directly to our non-profit foundation, The Greener Diamond. MiaDonna is the world’s first retailer exclusively selling Lab-Grown Diamonds and Gemstones, and we continue to work to uplift mining-impacted communities. By purchasing our loose lab-created gemstones, you are powering positive change.

To inquire about a lab gemstone, please visit us in-store or contact us for a free consultation with one of our non-commissioned jewelry experts. We also offer loose Lab-Grown Diamonds and loose Diamond Hybrid® Simulants. Your order includes free 30-day returns, as well as free USA shipping, so place your order with full confidence. 

Discover the stunning beauty of our Lab-Grown Gemstones, and enjoy the significant savings that come with making the ethical choice.