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Loose Diamonds

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Engagement Rings

Buy your own engagement ring.

Diamond Earrings

Create your own diamond earrings.

Diamond Pendants

Create your own diamond pendant.

Colored Diamonds

Looking for something unique? Shop our collection of fancy color loose diamonds in different shapes, colors, & sizes.

Conflict Free

Every diamond at USA Diamonds is carefully vetted & sourced in an ethically-conscious manner. We work with the most reputable & regulated suppliers of quality diamonds.

Buying a Loose Diamond

Buying a loose diamond offers consumers many benefits. When you purchase a mounting and a center diamond stone separately, you’ll be able to obtain a loose diamond that matches your desired specifications and quality characteristics, and then have it mounted into your chosen setting for a truly customized piece. Loose diamonds also allow for easier assessment of quality, as it’s more difficult to hide imperfections that would otherwise be obscured by jewelry mountings.

Diamond Education

Speak to one of our in-house diamond experts for professional and honest advice on diamond buying. Whether you want to learn more about the basics or ask for advice on finding the right diamond, our experts will give you the clarity you need.

How to Buy a Diamond

Diamonds are not only rare but very unique, so it’s no surprise that not all diamonds are created equal. This can overwhelm a diamond purchase, especially for the first time. “It’s scary buying diamonds. It is easy to find beautiful diamonds and it’s harder to find one that suits your

4Cs of Diamonds

4C’s of Diamonds

Knowing how to buy a diamond usually starts at 4C’s. Finding a diamond and checking its certification or appraisal report is certainly necessary. However, if you don’t know what you’re looking at, certificates and appraisal reports won’t help. Next Steps: 3 of 9 

Diamond Carat Sizes

Diamond Carat Sizes

If you want to buy diamonds with confidence, know the facts about carat weight. Many potential diamond buyers equate price with carat weight. This is a common misconception. There are many factors involved in the value and price of diamonds. For example, suppose you have two diamonds with the same

Diamond Color Grading

Diamond Color Grading

When understanding how to buy diamonds, it is important to keep certain tastes and budgets in mind. The color of the diamond is often considered the most subjective assessment, and what you find acceptable is first and foremost a matter of taste. However, the different color shades of diamonds can

Diamond Clarity Scale

Diamond Clarity Scale

Diamond clarity is all about the transparency of diamond. The purity of the diamond is evaluated by analyzing the impurities, defects or their absence. The less impurities and defects, the better the quality and the higher the value. Knowing how to buy a clear diamond that matches your taste is

Diamond Cut Quality

Diamond Cut Quality

A diamond cut is essential to knowing how to buy a diamond. The cut of a diamond is the art of its beauty. It is what makes every angle and facet dazzle when interacting with light. A wellpolished and symmetrical diamond will ensure it uses the light in the most

Understanding Diamond Shape

Understanding Diamond Shape

Knowing the shape is also important when shopping for diamonds with confidence. It is certainly a matter of taste. However, some shapes can provide more focus and light than others. The most common form of diamond is a luminous circle. According to the GIA, “75% of all diamonds sold are

Buying a Certified Diamond

Buying a Certified Diamond

One of the most important factors in learning how to buy diamonds is certification. Certified diamonds indicate that the Gemological Institute has evaluated it. The process itself is actually very scientific and is done in the laboratory by people who have a career based on the study of gems. They

Diamond Advice & Tips from the Professionals

Diamond Advice & Tips from the Professionals

Seeking professional help is certainly not a shame in learning how to buy diamonds. There are many factors involved in purchasing the perfect diamond. And professional jewelers can explain these factors in more detail. It can be helpful to get a second opinion when buying the 4Cs, such as advice

FAQ for Loose Diamonds

Do loose diamonds hold their value?

A diamond retains its value because there is a finite supply,” he said. “The basic laws of supply and demand maintain that as demand increases, value goes up. With lab-grown diamonds, there is an ever-growing supply but not an overwhelming demand. So naturally, the lab-grown diamond loses its resale value

How do you handle a loose diamond?

Keep your loose diamonds wrapped in cloth or tissue paper to discourage chipping. If you have multiple loose diamonds, you may want to store them separately in different bags or wrappings to prevent scratches. When buying a diamond, it’s always important to evaluate it by the 4Cs of color, carat, clarity and cut.

What should I do if my diamond is loose?

You don’t want to have it fall out or lose the diamond before you can bring it into a jeweler to get checked. Put it in a tightly closed jewelry case immediately. Then you will need to take your ring to a reliable jeweler as soon as possible to get the setting tightened or repaired.

How much does it cost to set a loose diamond?

Resetting a diamond generally costs anywhere from $100 to $500. Note that this cost covers only labor and may vary depending on the diamond’s size and shape. The finished product—either ready-made or custom—has a separate price depending on the new setting and accompanying stones.

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