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Home Gemstones Diamond

Shop Loose Diamonds - Certified Natural Gemstones & Conflict-Free

Diamond Weight
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For Example: 8-9
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0.04ct Blue Diamond, Square, VS

2 x 2 mm (calibrated)

$ 44.71

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0.03ct Blue Diamond, Square, VS

1.8 x 1.8 mm

$ 33.53

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0.13ct Black Diamond, Square, Opaque

2.6 x 2.5 mm

$ 51.88

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0.14ct Black Diamond, Square, Opaque

2.5 x 2.3 mm

$ 69.72

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0.03ct Blue Diamond, Square, VS

2.1 x 2 mm

$ 33.53

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0.98ct Black Diamond, Square, Opaque

4.9 x 4.7 mm

$ 558.27

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0.07ct Blue Diamond, Square, VS

2.3 x 2.3 mm

$ 78.24

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0.23ct Black Diamond, Square, Opaque

3 x 3 mm (calibrated)

$ 114.54

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0.17ctw Black Diamond, Square, Opaque

2.2 x 2.1 mm

$ 84.66

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0.18ctw Black Diamond, Square, Opaque

2.2 x 2.2 mm

$ 89.64

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0.03ct Blue Diamond, Square, VVS-VS

2.3 x 1.9 mm

$ 27.95

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0.24ct Black Diamond, Square, Opaque

3.2 x 2.9 mm

$ 119.52

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0.12ct Black Diamond, Square, Opaque

2.8 x 2.7 mm

$ 49.80

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0.98ct Black Diamond, Square, Opaque

5 x 5 mm (calibrated)

$ 558.27

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0.05ct Blue Diamond, Square, VS-SI

2 x 1.8 mm

$ 55.89

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0.10ctw Black Diamond, Square, Opaque

2 x 2 mm (calibrated)

$ 49.80

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0.25ct Black Diamond, Square, Opaque

3 x 2.8 mm

$ 124.50

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0.07ct Black Diamond, Square, Opaque

1.9 x 1.8 mm

$ 34.86

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0.40ct Black Diamond, Square, Opaque

3.7 x 3.5 mm

$ 199.20

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0.08ct Blue Diamond, Square, VS-SI

2.5 x 2.1 mm

$ 74.52

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0.16ctw Black Diamond, Square, Opaque

2.1 x 2 mm

$ 79.68

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0.42ct Black Diamond, Square, Opaque

3.8 x 3.7 mm

$ 209.16

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0.06ct Black Diamond, Square, Opaque

1.9 x 1.9 mm

$ 29.88

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0.06ct Blue Diamond, Square, VS-SI

2.3 x 2.1 mm

$ 67.07

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Why Buy Diamond from GemSelect?

GemSelect Certified Store Reviews

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

Overall Rating -> 10 star ratings

Easy and good price

Posted By Bry_guy in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

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 star ratings

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

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
Enlarged Gemstone Image