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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0.07ct Blue Diamond, Round, VS-SI

2.6 mm (calibrated)

$ 69.22

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0.25ct Yellow Diamond, Round, VS-SI

4 mm (calibrated)

$ 380.34

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1.81ct Brown Diamond, Emerald Cut, SI

6.4 x 6.1 mm

$ 3,843.32

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0.14ctw White Diamond, Round, VVS-VS

2.7 mm (calibrated)

$ 254.36

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0.31ct Brown Diamond, Round, VS

4.5 mm (calibrated)

$ 514.48

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0.24ctw Black Diamond, Round, Opaque

3 mm (calibrated)

$ 114.17

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0.30ctw White Diamond, Fancy, VVS

3.2 x 1.8 mm

$ 1,018.55

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1.81ct Brown Diamond, Round, SI

7.5 mm (calibrated)

$ 4,687.18

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0.56ctw White Diamond, Heart, VVS

3 x 2.6 mm

$ 1,901.30

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0.14ctw White Diamond, Round, VVS-VS

2.6 mm (calibrated)

$ 254.36

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0.15ctw White Diamond, Round, VVS-VS

2.8 mm (calibrated)

$ 272.54

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0.17ct Yellow Diamond, Round, VS-SI

3.5 mm (calibrated)

$ 306.68

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0.51ctw White Diamond, Heart, VVS

3.3 x 2.9 mm

$ 2,077.86

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0.09ct Green Diamond, Round, VS

2.8 mm (calibrated)

$ 74.70

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1.85ct Yellow Diamond, Round, SI

7.5 mm (calibrated)

$ 4,790.76

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0.08ct Green Diamond, Round, VS

2.6 mm (calibrated)

$ 66.40

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4.62ctw Brown Diamond, Square, VS-SI

7.4 x 7.2 mm

$ 8,052.66

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0.14ctw Black Diamond, Square, Opaque

2.2 x 2.2 mm

$ 69.72

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0.46ctw Brown Diamond, Round, VS

4 mm (calibrated)

$ 699.81

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0.23ctw Black Diamond, Square, Opaque

2.6 x 2.5 mm

$ 114.54

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1.54ct Yellow Diamond, Round, SI

7 mm (calibrated)

$ 4,386.78

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0.05ct Blue Diamond, Square, VVS-VS

2 x 2 mm (calibrated)

$ 46.58

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3.45ctw Brown Diamond, Square, VS-SI

6.8 x 6.6 mm

$ 7,937.62

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0.53ctw White Diamond, Heart, VVS

2.9 x 2.6 mm

$ 2,159.34

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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 -> 9

The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.

Posted By Guero in March, 2026

Source: Bizrate

Overall Rating -> 8

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025

Source: Bizrate

Overall Rating -> 8

Site worked well and helped me find a rock that matched what I was looking for. Well within budget and I trust it will show up, so that's definitely positive. Not much else to it. Satisfied.

Posted By Big Ricky in May, 2026

Source: Bizrate

Overall Rating -> 10

This is the first time I have used this site. I was dissatisfied with the quality of gems and supplies elsewhere and decided to try GemSelect. They are awesome! I was thrilled to see the variety and the great web performance. There was the ability to search for information as well as gems. Things like the clarity rating system and caret weight of the gems. I have always loved making things and I have just started to make jewelry as a business. However I have never made a ring before and have always wanted to. On GemSelect I was able to find good quality gems to use in my creations. I am so glad the website is so easy to use. Thank you GemSelect.

Posted By PickyShopper in April, 2026

Source: Bizrate

Overall Rating -> 9

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026

Source: Bizrate

Overall Rating -> 10

I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

Posted By Lex in April, 2026

Source: Bizrate

→ View All GemSelect Reviews on Bizrate