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Our incredible selection of Certified Diamonds

For over ten years, the knowledgeable consultants at Union Diamond have striven to find our clients the very best in Ideal Cut Diamonds. From the Princess cut to the Cushion cut, and everything in between, we have the diamond that is perfect for you. Whether you are a diamond expert looking to upgrade your Emerald cut engagement ring to an Asscher cut, or a novice buying your very first set of Round Brilliant Diamond Stud Earrings, we will be with you ever step of the way as you choose your AGS, EGL, or GIA Certified Loose Diamond. And don’t worry about blowing your budget. As an online retailer, we are able to keep our margins far lower than our competitors so that we can pass those savings on to you. That’s how we’re able to have the best and cheapest diamonds around! So feel free to add the matching Diamond Pendant to your wife’s Diamond Solitaire without the guilt. Or maybe you want to design a custom piece that’s just as unique as she is. Look no further than our amazing custom department. Using the finest quality metals including Platinum, Palladium and White Gold, our designers use a full range of design techniques including CAD drawings and wax models to make sure that your piece is perfect. For our full range of fine jewelry, loose diamonds, as well as our custom gallery, check out our website at and see why shopping at Union Diamond means that you can "Just Expect More"!

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Diamonds Search

Since 2001, the knowledgeable consultants at Union Diamond have striven to find our clients the very best in quality loose diamonds. From the Princess cut to the Cushion cut, and everything in between, we have the diamond that is perfect for you. Whether you are a diamond expert looking to upgrade your Emerald cut engagement ring to an Asscher cut, or a novice buying your very first set of Round Brilliant Diamond Stud Earrings, we will be with you ever step of the way as you choose your AGS, EGL, or GIA Certified Loose Diamond. And don’t worry about blowing your budget. As an online retailer, we are able to keep our margins far lower than our competitors so that we can pass those savings on to you. That’s how we’re able to have the best and cheapest diamonds around!

So take a moment and peruse thousands of beautiful loose cut diamonds using our state-of-the-art diamond finder tool.

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Ideal Cut Diamond Search

Based on scientific formulas, a well-cut diamond will internally reflect light from one mirror-like facet to another and disperse and reflect it through the top of the stone. This results in a dazzling display of brilliance and fire, unlocking the true beauty of the stone which would be lost in a diamond with less cut precision. Union Diamond Ideal Cut stones are cut only from the finest quality rough diamonds. Other companies try to get the largest diamonds possible from each piece of rough with no regard for the beauty of the finished stone, but Union Diamond Ideal Cut stones are carefully selected for their perfect proportions which allow our diamonds to reflect the maximum amount of light and brilliance possible.

So take a moment and peruse thousands of beautiful ideal cut diamonds using our state-of-the-art, interactive diamond finder tool.

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Design an Engagement Ring

When it comes to engagement rings, every bride is different. Here at Union Diamond we celebrate those differences by offering a plethora of styles and designs, in a variety of precious metals including Palladium, Platinum, White and Yellow Gold. From the classic six prong Tiffany, to the vintage inspired with delicate milgrain detailing, to the modern, clean lines of channel set diamond accents, our engagement settings are sure to please. Just don’t forget that Certified Ideal Cut Diamond to complete the look! Check out our Diamond Finder tool where you can search and sort through thousands of stunning stones to find your perfect diamond. Feeling a bit overwhelmed? Don’t worry. Our knowledgeable consultants are here to help and ensure that her ring and diamond are perfect, as well as giving a bit of encouragement along the way!

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Design a Diamond Pendant

Whether you’re running a few quick errands, or attending a Black Tie event, nothing completes an outfit like a Diamond Pendant. Choose from our thousands of beautiful certified ideal cut diamonds in our vast online inventory including round brilliant, princess cut, oval, cushion, marquise, heart shapes and more with our innovative diamond finder tool. Once you’ve selected your perfect diamond we’ll set it in the style and metal of your choice including platinum, white and yellow gold.

Whether it’s a gift to celebrate your fiftieth wedding anniversary, or gift to yourself for landing that big account at work, nothing commemorates a special occasion like a Diamond Pendant from Union Diamond!

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Diamond Stud Earrings

Perfect for every outfit and occasion, Diamond Stud Earrings are a must- have for every jewelry wardrobe. Here at Union Diamond we have all styles from the classic four prong basket, to the fresh and clean three prong martini, and for those with a bit more of a modern flair be sure to try our beautiful Bezel Set Studs. Choose from seven perfectly preset sizes and we'll be happy to set them in the style and metal of your choice including platinum, white and yellow gold. Whether they are a gift for a loved one, or even a gift for yourself, let us show you that with the Diamond Stud Earrings at Union Diamond, you can "Just Expect More"!

Want a little more customization? Visit our Certified Studs page and select your own certified ideal cut diamond and setting for a piece that is uniquely yours!

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Certified Diamond Stud Earrings

Perfect for every outfit and occasion, Diamond Stud Earrings are a must- have for every jewelry wardrobe. Here at Union Diamond we have all styles from the classic four prong basket, to the fresh and clean three prong martini, and for those with a bit more of a modern flair be sure to try our beautiful Bezel Set Studs. Choose from thousands of beautiful certified ideal cut round or princess cut diamonds in our vast online inventory and we'll be happy to set them in the style and metal of your choice including platinum, palladium, white and yellow gold.

Whether they are a gift for a loved one, or even a gift for yourself, let us show you that with the Diamond Stud Earrings at Union Diamond, you can "Just Expect More"!

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Solitaire Diamond Pendants

Whether you're running a few quick errands, or attending a Black Tie event, nothing completes an outfit like a Diamond Pendant. Choose from one of our beautiful preset pieces featuring Round Brilliant Diamonds and Princess Cuts set in Prong or Bezel Settings in the metal of your choice including platinum, palladium, white and yellow gold. Whether it's a gift to celebrate your fiftieth wedding anniversary, or a gift to yourself for landing that big account at work, nothing commemorates a special occasion like a Diamond Pendant from Union Diamond!

Want a little more customization? Visit our Design Your Own Pendant page and select your own certified ideal cut diamond and setting for a piece that is uniquely yours!

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Diamond Education

Whether this is your first diamond buying experience or your twenty first, everyone has questions and concerns about how to find the perfect diamond. Lucky for you, you’re in the right spot. Visit our Diamond Education page to find everything you need to know about the 4C’s including Cut, Color, Carat, and Clarity, Diamond Grading and more! Still have questions? Our knowledgeable GIA trained diamond experts will be more than happy to help.

And remember, the first rule of buying a diamond is to have fun, so dive right in and enjoy the ride!

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For more than a decade, Union Diamond has provided the best quality Ideal Cut diamonds to customers in our flagship store in Atlanta and through our online store. We have a breathtaking collection of exquisite quality wholesale diamond jewelry, palladium jewelry, and loose diamonds at competitive prices. Whether you are looking for rose gold earrings in Atlanta, Georgia, or want to design your own custom jewelry, you will be delighted with the excellent quality and outstanding service at Union Diamond

At Union Diamond, we offer an enormous selection of AGS, EGL, or GIA Certified loose diamonds at competitive prices. We have a wide variety of diamond shapes to provide the perfect stones for engagement rings, pendants, or rose gold earrings in Atlanta, GA. We can help you find the perfect diamond shape from our wide selection of round, princess, emerald, oval, radiant, heart, asscher, marquise, cushion, pear, and trillion diamonds.

Whether you are buying your first pair of diamond earrings, selecting an engagement ring, or want to upgrade your engagement ring, you will find exceptional quality at great prices from Union Diamond. As an online retailer, we are able to control costs and provide quality wholesale diamond jewelry to our customers. You can rest assured of the quality of our diamonds with diamond grading reports issued by trusted diamond labs.

A diamond is a big purchase and Union Diamond is here to provide the help and resources you need to make an informed decision. You can start by reading information about diamond grading on our website and view diamond grading reports for the loose diamonds in our collection. The diamond grading report contains information about the shape, weight, clarity, color grade, measurements, and more.

Our goal is to provide the best quality loose diamonds and wholesale diamond jewelry, as well as superior service. We have experienced diamond consultants to answer your questions, provide information to help you select the perfect diamond, and guide you through your purchase. Please do not hesitate to contact us for assistance.

At Union Diamond, you can design your own diamond jewelry on our website. Choose your certified diamond and have it set in an engagement ring, rose gold earrings, or a pendant. We have a wide array of beautiful designs and loose diamonds that are suitable for earrings, rings, pendants, and more.

Union Diamond

2410 Paces Ferry Road SE Atlanta, GA 30339
Phone: 1.800.319.9155, +1.770.319.9155
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