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

Blue Diamond

Diamond Weight

Diamond Size

Diamond Clarity

Diamond Price

Size Explained

Choose Size or Size Range

For Example: 6-7

For Example: 8-9

Bi-color

Black Diamond

Blue Diamond

Brown Diamond

Golden

Gray

Green Diamond

Multicolor

Orange

Pink

Purple

Red

Turquoise

Violet

White Diamond

Yellow Diamond

Single

Pairs

Lots

Faceted

Cabochons

Clear All

0.80ct Black Diamond, Round, Opaque

5.3 mm

$ 637.44

View Gem

0.07ctw Black Diamond, Round, Opaque

2 mm (calibrated)

$ 20.34

View Gem

0.19ct Black Diamond, Square, Opaque

2.8 x 2.7 mm

$ 94.62

View Gem

0.98ct Black Diamond, Square, Opaque

4.9 x 4.7 mm

$ 558.27

View Gem

0.04ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 31.87

View Gem

0.13ctw Black Diamond, Square, Opaque

2.2 x 2.1 mm

$ 64.74

View Gem

0.13ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 61.84

View Gem

0.08ct Black Diamond, Round, Opaque

2.6 mm (calibrated)

$ 27.38

View Gem

0.27ctw Black Diamond, Round, Opaque

3 mm (calibrated)

$ 128.44

View Gem

0.05ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 14.53

View Gem

0.13ct Black Diamond, Square, Opaque

2.6 x 2.5 mm

$ 51.88

View Gem

0.10ct Black Diamond, Round, Opaque

2.9 mm (calibrated)

$ 34.23

View Gem

0.27ctw Black Diamond, Round, Opaque

3 mm (calibrated)

$ 128.44

View Gem

0.02ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 15.94

View Gem

0.04ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 13.70

View Gem

0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 23.90

View Gem

0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 23.90

View Gem

0.40ct Black Diamond, Square, Opaque

3.7 x 3.5 mm

$ 199.20

View Gem

0.69ct Black Diamond, Square, Opaque

4.5 x 4.3 mm

$ 327.56

View Gem

0.07ct Black Diamond, Round, Opaque

2.4 mm (calibrated)

$ 20.04

View Gem

0.07ct Black Diamond, Round, Opaque

2.6 mm (calibrated)

$ 23.96

View Gem

0.20ct Black Diamond, Square, Opaque

2.8 x 2.8 mm

$ 99.60

View Gem

0.34ct Black Diamond, Square, Opaque

3.3 x 3.2 mm

$ 141.10

View Gem

0.16ct Black Diamond, Square, Opaque

2.7 x 2.7 mm

$ 79.68

View Gem

« 1 2 3

...

12 »

Choose Page

1 - 15

Why Buy Diamond from GemSelect?

Trusted Worldwide Since 2003
Supplying natural gemstones to jewelers and collectors in 120+ countries
Verified natural gemstones
View All GemSelect Reviews on Bizrate
Secure checkout and insured worldwide delivery
30-day returns and satisfaction guarantee

GemSelect Certified Store Reviews

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

Overall Rating -> 10

Over pretty well experience the your website no complaints about it very easy reliable service provided

Posted By Blas in January, 2026

Source: Bizrate

Overall Rating -> 7

easy interface for a pricless buy

Posted By Zeak in May, 2026

Source: Bizrate

Overall Rating -> 10

Easy and good price

Posted By Bry_guy in March, 2026

Source: Bizrate

Overall Rating -> 10

The website was very easy to use.

Posted By Garnet in January, 2026

Source: Bizrate

Overall Rating -> 10

I was able to find what I've been looking for.

Posted By Tree Dog in April, 2026

Source: Bizrate

Overall Rating -> 8

I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

Posted By Meyeusername in March, 2026

Source: Bizrate

→ View All GemSelect Reviews on Bizrate