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Discover the Beauty of

Lab-Grown Diamonds &
Custom Engagement Rings

Experience the elegance and sustainability of our exquisite lab-grown diamonds, ethically sourced to create the perfect symbol of your love.
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About Stienhardt

At Stienhardt, we want to bring the message that love should be enjoyed without harming the environment. To achieve our vision, we are striving to create truly exceptional lab-grown diamonds that are not only beautiful but also produced sustainably. This is why we offer only the best and pledge to deliver gemstones that reflect the beauty of your love.
Learn More About Us

Shop Diamonds by Shape

Discover our extraordinary collection of diamonds categorized by shape. Find your ideal cut, from round to oval, to suit your style.
Certification

Certification

Stienhardt diamonds are graded by the three most reputable laboratories in the industry, IGI, GIA, and GCAL.

Diamond Education

Learn about the “4 C’s” to help you with your
online diamond shopping :
Certification

Shop Rings by Style

Explore our exquisite collection of rings, curated by style. Find the perfect piece to match your unique personality and taste.

FAQ

Find answers to common questions about our products, services, and policies to enhance your shopping experience at Stienhardt & Stones.

Cultured diamonds are cultured in a laboratory with the application of the latest technology which acts as a mimic to the natural process of forming a diamond, and as such, they are real diamonds that cannot be distinguished from the mined diamonds as they are the same in every aspect.

Yes! Lab-grown diamonds are not tainted with conflict, and the processes of growing diamonds are not involve with exploited labor.

It is simply preserving a lab-grown diamond just like a mined diamond. To maintain its appearance it’s best to clean it frequently as well as store it in the right place.

Synthetic diamonds are visually similar or exactly similar to earth-mined diamonds in every way possible. Being as it is that lab-grown diamonds are man-made they are not the same as natural diamonds which are formed in the earth over millions of years. Moreover, lab-created diamonds are 20-40% cheaper compared to mined diamonds which gives further evidence of diamond’s flexibility to changing industry demands.

As for engagement rings, we have numerous types like solitaire, halo, and vintage engagement rings. That is why our rings can feature lab-grown diamonds that will fit your tastes and wallet.

Absolutely! What are the options that can be included for a buyer to upgrade, when it comes to an engagement ring at Stienhardt? One can choose the shape of the diamond to be used, the style of setting and the type of metal to be used.

For all the jewelry that we sell, we are proud to have a thirty days return policy on them. If you are not fully satisfied with the product that you have bought, you have the right to return it within 15 days from the date of purchase with the receipt and get your full refund or exchange the product to another one but it should be in its new condition.

Yes, we do have wedding bands and they come in many styles as well as different materials. You can also order your wedding band to compliment the engagement ring you choose most to make them blend well.

At our store, you may find both sets of ear studs and beautiful drop earrings. Both can have additional diamonds or other gemstones created in a lab, depending on one’s preference.

You can contact our customer service representatives through email at care@stienhardt. or by following the link to our com or by contacting us at 917-909-6402. Here we are ready to help you with any concerns or questions that may arise from any facet of the installed information technology applications.

Lab-grown diamonds offer the same beauty and brilliance as mined diamonds, but with significant advantages: Lab-grown diamonds offer the same beauty and brilliance as mined diamonds, but with significant advantages:

Sustainable: Lab-grown diamonds are developed in laboratories which means that they are free from any adverse effects related to mining.
Ethical: Your diamonds are all conflict-free so expect that your purchasing dollars do not fund unfair labor.
Affordable: Now, you can experience owning diamonds without digging deep into your pocket thanks to the affordable prices of such jewelry.