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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1.67ct Brown Diamond, Round, SI

7.5 mm (calibrated)

$ 3,603.86

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0.17ct Yellow Diamond, Round, VS-SI

3.5 mm (calibrated)

$ 306.68

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5.00ct Brown Diamond, Cushion, VS

9 x 9 mm (calibrated)

$ 9,203.04

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1.54ct Brown Diamond, Round, SI

7.5 mm (calibrated)

$ 3,655.65

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0.36ct Yellow Diamond, Round, VS

4.5 mm (calibrated)

$ 547.68

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0.11ct Black Diamond, Square, Opaque

2.4 x 2.3 mm

$ 46.29

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0.23ct Yellow Diamond, Round, VS

4 mm (calibrated)

$ 419.90

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0.25ctw White Diamond, Round, VVS-VS

3 mm (calibrated)

$ 378.51

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0.21ctw White Diamond, Round, VVS-VS

3 mm (calibrated)

$ 381.55

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0.12ct Black Diamond, Square, Opaque

2.5 x 2.4 mm

$ 50.42

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0.21ctw White Diamond, Round, VVS-VS

3 mm (calibrated)

$ 317.96

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0.17ct Yellow Diamond, Round, VS

3.5 mm (calibrated)

$ 282.13

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0.17ct Yellow Diamond, Round, VS

3.5 mm (calibrated)

$ 306.68

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0.16ctw White Diamond, Round, VVS-VS

2.8 mm (calibrated)

$ 242.24

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0.14ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 51.36

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0.18ct Brown Diamond, Round, VVS-VS

3.7 mm

$ 328.60

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1.70ct Brown Diamond, Round, SI

7.5 mm (calibrated)

$ 3,970.74

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0.03ct Green Diamond, Round, VVS-VS

2.2 mm (calibrated)

$ 24.90

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1.32ct Brown Diamond, Pear Shape, SI

8.3 x 5.4 mm

$ 2,569.29

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0.33ct Brown Diamond, Round, SI

4.5 mm (calibrated)

$ 456.40

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0.14ct Black Diamond, Square, Opaque

2.6 x 2.4 mm

$ 69.72

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0.15ctw White Diamond, Round, VVS-VS

2.7 mm (calibrated)

$ 206.46

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0.06ct Blue Diamond, Round, VS

2.5 mm (calibrated)

$ 71.21

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0.08ct Green Diamond, Round, VVS-VS

2.6 mm (calibrated)

$ 66.40

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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

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025

Source: Bizrate

Overall Rating -> 9

It was great!

Posted By Annie in September, 2025

Source: Bizrate

Overall Rating -> 10

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026

Source: Bizrate

Overall Rating -> 10

Easy process.

Posted By Crafty Seabee in March, 2026

Source: Bizrate

Overall Rating -> 9

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025

Source: Bizrate

Overall Rating -> 8

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025

Source: Bizrate

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