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

0.21ct Black Diamond, Square, Opaque

2.9 x 2.9 mm

$ 104.58

View Gem

0.08ctw Black Diamond, Round, Opaque

2 mm (calibrated)

$ 63.74

View Gem

0.19ct Black Diamond, Square, Opaque

2.8 x 2.7 mm

$ 94.62

View Gem

0.02ct Black Diamond, Round, Opaque

1.9 mm (calibrated)

$ 15.94

View Gem

0.07ct Blue Diamond, Square, VS

2.3 x 2.3 mm

$ 78.24

View Gem

0.05ct Black Diamond, Round, Opaque

2.3 mm (calibrated)

$ 16.28

View Gem

0.08ct Green Diamond, Round, SI

2.5 mm (calibrated)

$ 89.42

View Gem

0.05ct Green Diamond, Round, VS-SI

2.4 mm (calibrated)

$ 55.89

View Gem

0.06ct Blue Diamond, Round, VS-SI

2.5 mm (calibrated)

$ 59.76

View Gem

0.22ct Black Diamond, Round, Opaque

3.5 mm (calibrated)

$ 104.66

View Gem

1.36ct Brown Diamond, Emerald Cut, VS-SI

5.9 x 5.5 mm

$ 3,129.03

View Gem

0.06ct Green Diamond, Round, VS

2.4 mm (calibrated)

$ 59.76

View Gem

0.05ct Blue Diamond, Round, VS

2.3 mm (calibrated)

$ 55.89

View Gem

0.05ct Blue Diamond, Round, VS

2.5 mm (calibrated)

$ 46.58

View Gem

0.15ctw Black Diamond, Square, Opaque

2 x 2 mm (calibrated)

$ 74.70

View Gem

0.07ctw Black Diamond, Round, Opaque

2 mm (calibrated)

$ 20.34

View Gem

0.09ct Blue Diamond, Round, VS

2.6 mm (calibrated)

$ 100.60

View Gem

0.05ct Blue Diamond, Round, VS

2.2 mm (calibrated)

$ 55.89

View Gem

0.06ct Black Diamond, Round, Opaque

2.3 mm (calibrated)

$ 19.54

View Gem

0.07ct Green Diamond, Square, VS-SI

2.2 x 2.1 mm

$ 78.24

View Gem

0.03ct Blue Diamond, Round, VS

2.3 mm (calibrated)

$ 33.53

View Gem

0.06ct Black Diamond, Round, Opaque

2.3 mm (calibrated)

$ 20.53

View Gem

0.03ct Blue Diamond, Round, VS

2 mm (calibrated)

$ 29.88

View Gem

0.03ct Blue Diamond, Round, VS

2.2 mm (calibrated)

$ 36.52

View Gem

« 1 2 3

...

16 »

Choose Page

Page 1
Page 2
Page 3
Page 4
Page 5
Page 6
Page 7
Page 8
Page 9
Page 10
Page 11
Page 12
Page 13
Page 14
Page 15
Page 16
Page 17
Page 18
Page 19
Page 20
Page 21
Page 22
Page 23
Page 24
Page 25
Page 26
Page 27
Page 28
Page 29
Page 30
Page 31
Page 32
Page 33
Page 34
Page 35
Page 36
Page 37
Page 38
Page 39

1 - 39

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

Absolutely love Gem Select. I always know the quality and accuracy of information and photos are top notch. Highly recommend!

Posted By Matthew K. in May, 2026

Source: Bizrate

Overall Rating -> 10

Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

Posted By Sal in July, 2025

Source: Bizrate

Overall Rating -> 10

Easy to use. No issues. Large selection of gems.

Posted By CLTCJH in February, 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 -> 9

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025

Source: Bizrate

Overall Rating -> 10

My whole experience is great.

Posted By Ghs in November, 2025

Source: Bizrate

→ View All GemSelect Reviews on Bizrate