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

0.15ct Yellow Diamond, Round, VS-SI

3.3 mm

$ 270.60

View Gem

0.18ctw White Diamond, Round, VVS-VS

2.8 mm (calibrated)

$ 321.79

View Gem

0.21ctw White Diamond, Round, VVS-VS

3 mm (calibrated)

$ 381.55

View Gem

0.12ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 57.09

View Gem

0.07ct Blue Diamond, Round, VS-SI

2.5 mm (calibrated)

$ 69.72

View Gem

0.14ctw White Diamond, Round, VVS-VS

2.7 mm (calibrated)

$ 254.36

View Gem

0.05ct Green Diamond, Round, VS

2.3 mm (calibrated)

$ 49.80

View Gem

0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 23.90

View Gem

0.19ctw Black Diamond, Square, Opaque

2.1 x 2.1 mm

$ 94.62

View Gem

0.06ct Green Diamond, Round, VS-SI

2.5 mm (calibrated)

$ 67.07

View Gem

0.07ct Green Diamond, Round, VS

2.5 mm (calibrated)

$ 69.72

View Gem

0.20ctw White Diamond, Round, VVS-VS

3 mm (calibrated)

$ 357.53

View Gem

0.05ct Green Diamond, Round, VS-SI

2.4 mm (calibrated)

$ 49.80

View Gem

0.07ct Black Diamond, Round, Opaque

2.5 mm (calibrated)

$ 23.96

View Gem

0.06ct Green Diamond, Round, SI

2.5 mm (calibrated)

$ 77.69

View Gem

0.09ct Black Diamond, Round, Opaque

2.7 mm (calibrated)

$ 30.81

View Gem

0.96ct Brown Diamond, Pear Shape, SI

8 x 5 mm (calibrated)

$ 2,734.62

View Gem

0.05ct Green Diamond, Square, VS-SI

2.1 x 2.1 mm

$ 55.89

View Gem

0.22ctw Brown Diamond, Round, VVS-VS

3.1 mm

$ 401.64

View Gem

0.03ct Blue Diamond, Square, VS-SI

2 x 2 mm (calibrated)

$ 33.53

View Gem

0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 23.90

View Gem

0.03ct White Diamond, Round, VVS

2 mm (calibrated)

$ 68.48

View Gem

0.19ctw White Diamond, Round, VVS-VS

2.9 mm (calibrated)

$ 283.05

View Gem

0.02ct Blue Diamond, Round, VS

1.7 mm

$ 24.34

View Gem

« 1 2 3

...

21 »

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

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 -> 8

Good prices

Posted By TRM in October, 2025

Source: Bizrate

Overall Rating -> 10

Very neat and to the point

Posted By Botha in March, 2026

Source: Bizrate

Overall Rating -> 10

My current project is something BLUE . Opal earrings with matching tennis bracelet for her wedding. The opals and sixty two sapphires VVS & VS are AMAZINGLY BEAUTIFUL. The private jewelers were impressed by the clarity and inclusion free of the sapphires . I want to say thank you for the High quality sapphires that I purchased for my daughtera's wedding.

Posted By My real name Dean or Wandering about in May, 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 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

→ View All GemSelect Reviews on Bizrate