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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0.04ct Blue Diamond, Round, VVS-VS

2 mm (calibrated)

$ 48.70

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0.03ct Blue Diamond, Round, VVS-VS

2 mm (calibrated)

$ 38.84

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0.04ct Blue Diamond, Round, VS

2.2 mm (calibrated)

$ 48.70

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0.04ct Blue Diamond, Round, VVS

2 mm (calibrated)

$ 39.84

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0.07ct Blue Diamond, Square, VS-SI

2.4 x 2.3 mm

$ 78.24

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0.06ct Blue Diamond, Square, VS-SI

2.3 x 2.3 mm

$ 55.89

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0.02ct Blue Diamond, Round, SI

1.8 mm

$ 24.34

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0.06ct Blue Diamond, Round, VS-SI

2.5 mm (calibrated)

$ 67.07

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0.07ct Blue Diamond, Square, VS

2.2 x 2 mm

$ 78.24

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0.06ct Blue Diamond, Round, VS

2.4 mm (calibrated)

$ 59.76

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0.03ct Blue Diamond, Square, VVS-VS

2 x 2 mm (calibrated)

$ 27.95

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0.03ct Blue Diamond, Round, SI

2.2 mm (calibrated)

$ 36.52

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0.04ct Blue Diamond, Round, VS-SI

2.3 mm (calibrated)

$ 37.26

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0.05ct Blue Diamond, Round, VVS-VS

2.4 mm (calibrated)

$ 41.50

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0.08ct Blue Diamond, Round, VS-SI

2.5 mm (calibrated)

$ 94.94

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0.06ct Blue Diamond, Square, VS-SI

2 x 2 mm (calibrated)

$ 67.07

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0.06ct Blue Diamond, Round, VS

2.3 mm (calibrated)

$ 59.76

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0.06ct Blue Diamond, Round, VVS-VS

2.4 mm (calibrated)

$ 77.69

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0.07ct Blue Diamond, Round, SI

2.4 mm (calibrated)

$ 90.64

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0.07ct Blue Diamond, Round, VS

2.7 mm (calibrated)

$ 78.24

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0.06ct Blue Diamond, Square, VVS-VS

2.2 x 2.1 mm

$ 67.07

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0.04ct Blue Diamond, Round, VVS

2.2 mm (calibrated)

$ 33.20

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0.06ct Blue Diamond, Round, VS-SI

2.4 mm (calibrated)

$ 59.76

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0.02ct Blue Diamond, Square, VS

1.9 x 1.9 mm

$ 22.36

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GemSelect Certified Store Reviews

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Overall Rating -> 10

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026

Source: Bizrate

Overall Rating -> 10

Found a rock that met my need. Bought it!

Posted By Skot in May, 2026

Source: Bizrate

Overall Rating -> 10

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025

Source: Bizrate

Overall Rating -> 10

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025

Source: Bizrate

Overall Rating -> 10

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026

Source: Bizrate

Overall Rating -> 10

All good

Posted By DouscheGift in August, 2025

Source: Bizrate

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