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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0.06ct Blue Diamond, Round, VS-SI

2.4 mm (calibrated)

$ 59.76

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0.09ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 26.15

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0.22ct Black Diamond, Square, Opaque

2.9 x 2.8 mm

$ 109.56

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0.53ctw White Diamond, Heart, VVS

2.9 x 2.6 mm

$ 2,159.34

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0.05ct Green Diamond, Round, SI

2.3 mm (calibrated)

$ 60.86

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0.09ct Black Diamond, Round, Opaque

2.7 mm (calibrated)

$ 30.44

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0.23ct Brown Diamond, Round, VVS-VS

4 mm (calibrated)

$ 419.90

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0.03ct Blue Diamond, Square, VS

1.8 x 1.8 mm

$ 33.53

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0.15ctw White Diamond, Round, VVS-VS

2.6 mm (calibrated)

$ 272.54

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0.16ctw Black Diamond, Square, Opaque

2.1 x 2 mm

$ 79.68

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0.03ct Green Diamond, Round, VVS-VS

1.9 mm (calibrated)

$ 29.88

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0.07ct Blue Diamond, Round, SI

2.6 mm (calibrated)

$ 85.21

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0.07ct Blue Diamond, Round, VS

2.5 mm (calibrated)

$ 83.07

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0.02ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 15.94

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0.31ctw Black Diamond, Square, Opaque

2.7 x 2.5 mm

$ 154.38

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0.02ct Black Diamond, Round, Opaque

1.6 mm

$ 8.12

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0.02ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 15.94

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0.03ct Blue Diamond, Round, VS

2.2 mm (calibrated)

$ 36.52

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0.28ct White Diamond, Round, VVS

4 mm (calibrated)

$ 470.10

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0.07ct Black Diamond, Round, Opaque

2.5 mm (calibrated)

$ 23.96

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0.23ctw White Diamond, Round, VVS-VS

3 mm (calibrated)

$ 379.88

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0.03ct Blue Diamond, Round, SI

2 mm (calibrated)

$ 36.52

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0.03ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 10.27

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0.27ct Black Diamond, Square, Opaque

3.2 x 3.1 mm

$ 134.46

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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

Found a rock that met my need. Bought it!

Posted By Skot in May, 2026

Source: Bizrate

Overall Rating -> 10

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026

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've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025

Source: Bizrate

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 -> 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

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