What are loose diamonds, and why should I consider buying them?

Loose diamonds are individual diamond stones that are not yet set in jewelry. They provide greater flexibility, allowing buyers to choose their preferred setting, style, and design. Purchasing a loose diamond also gives you the opportunity to inspect its quality based on factors like clarity, color, and carat weight before it is mounted.

Where can I find certified loose diamonds for sale?

You can find certified loose diamonds at reputable online stores and authorized loose diamond dealers. Make sure to look for GIA loose diamonds, as GIA certification is a trusted standard for assessing a diamond's quality, including its cut, color grading, and clarity.

How do I determine the best loose diamond shapes and cuts?

Choosing the right shape and cut is important for maximizing a diamond's brilliance. Popular loose diamond shapes include round, princess, cushion, and oval. Each shape has its unique appeal, while the cut impacts the stone’s sparkle. A good loose diamond buying guide can help you understand the various options available.

Are natural loose diamonds better than lab-grown options?

Natural loose diamonds are formed over millions of years, while lab-grown diamonds are created in controlled environments. Both can be of high quality, but natural diamonds are often valued more for their rarity. When purchasing, ensure the stone is certified for authenticity, especially if you want a conflict-free loose diamond.

What should I know about loose diamond prices and wholesale options?

The price of a loose diamond depends on its carat weight, clarity, color grading, and cut. If you’re looking to save, consider loose diamond wholesale options, where you can find stones at lower prices. Wholesale purchases often provide better value, especially for bulk orders or custom jewelry projects.

How can I ensure I’m buying a high-quality loose diamond online?

To ensure you’re buying a high-quality stone, choose a reputable online loose diamond store that offers GIA certified loose diamonds. Review the diamond’s specifications, including its clarity, cut, and color grading, and ask for detailed certification documents.

Shop Loose Diamonds - Certified Natural Gemstones & Conflict-Free

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0.02ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 15.94

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0.15ctw White Diamond, Round, VVS-VS

2.7 mm (calibrated)

$ 268.16

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0.08ct Black Diamond, Round, Opaque

2.6 mm (calibrated)

$ 27.38

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0.03ct White Diamond, Round, VVS

2 mm (calibrated)

$ 68.48

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0.42ct Black Diamond, Square, Opaque

3.8 x 3.7 mm

$ 209.16

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1.06ct Black Diamond, Square, Opaque

5.4 x 5.2 mm

$ 603.86

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0.06ct White Diamond, Marquise, VVS

4 x 2 mm (calibrated)

$ 208.54

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0.12ct Black Diamond, Square, Opaque

2.7 x 2.6 mm

$ 49.80

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0.25ct Yellow Diamond, Round, VS

4 mm (calibrated)

$ 456.41

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0.10ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 34.23

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0.02ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 15.94

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0.07ct Black Diamond, Round, Opaque

2.6 mm (calibrated)

$ 23.96

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0.04ct Green Diamond, Round, VS-SI

2 mm (calibrated)

$ 39.84

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0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 10.27

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0.02ct Blue Diamond, Round, SI

1.9 mm (calibrated)

$ 20.29

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0.18ctw Black Diamond, Square, Opaque

2.2 x 2.2 mm

$ 89.64

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0.20ct Black Diamond, Square, Opaque

2.8 x 2.8 mm

$ 99.60

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0.07ct White Diamond, Marquise, VVS

4.1 x 2.2 mm

$ 243.29

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1.07ct Black Diamond, Square, Opaque

5 x 5 mm (calibrated)

$ 507.96

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0.03ct Green Diamond, Round, VVS-VS

1.8 mm

$ 29.88

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0.12ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 41.08

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0.03ct White Diamond, Round, VS-SI

2 mm (calibrated)

$ 36.34

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0.06ct Blue Diamond, Round, VS-SI

2.4 mm (calibrated)

$ 67.07

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0.04ct Green Diamond, Round, VS-SI

2.1 mm (calibrated)

$ 39.84

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Why Buy Diamond from GemSelect?

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GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026

Source: Bizrate

Overall Rating -> 9

The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.

Posted By Emmanuel in October, 2025

Source: Bizrate

Overall Rating -> 10

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026

Source: Bizrate

Overall Rating -> 9

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026

Source: Bizrate

Overall Rating -> 8

Good prices

Posted By TRM in October, 2025

Source: Bizrate

Overall Rating -> 10

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025

Source: Bizrate

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