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Home Gemstones Gemstones By Size Diamond 4mm - 6mm Size

Diamond Gemstones in 4mm - 6mm Size Range for Sale

Diamond 4mm - 6mm Size Weight
Diamond 4mm - 6mm Size Size
Diamond 4mm - 6mm Size Clarity
Diamond 4mm - 6mm Size Price

Size Explained

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For Example: 6-7
For Example: 8-9
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Black Diamond 4mm - 6mm Size
Blue Diamond 4mm - 6mm Size
Brown Diamond 4mm - 6mm Size
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Green
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White Diamond 4mm - 6mm Size
Yellow Diamond 4mm - 6mm Size
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0.33ct Brown Diamond, Round, SI

4.5 mm (calibrated)

$ 456.40

View Gem

0.31ct Brown Diamond, Round, VS

4.5 mm (calibrated)

$ 514.48

View Gem

0.36ct Yellow Diamond, Round, VS

4.5 mm (calibrated)

$ 547.68

View Gem

1.36ct Brown Diamond, Emerald Cut, VS-SI

5.9 x 5.5 mm

$ 3,129.03

View Gem

1.21ct Brown Diamond, Emerald Cut, SI

5.6 x 5.2 mm

$ 2,409.64

View Gem

0.14ctw White Diamond, Marquise, VVS

4 x 2 mm (calibrated)

$ 486.59

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0.27ct Yellow Diamond, Round, VS

4 mm (calibrated)

$ 492.91

View Gem

0.06ct White Diamond, Marquise, VVS

4 x 2 mm (calibrated)

$ 208.54

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1.04ct Black Diamond, Square, Opaque

4.7 x 4.6 mm

$ 592.46

View Gem

0.06ct White Diamond, Marquise, VVS

4 x 1.9 mm

$ 208.54

View Gem

0.25ct Brown Diamond, Round, VS

4 mm (calibrated)

$ 456.41

View Gem

0.06ct White Diamond, Marquise, VVS

4 x 2 mm (calibrated)

$ 208.54

View Gem

0.91ct Black Diamond, Round, Opaque

5.8 mm

$ 688.83

View Gem

0.10ctw White Diamond, Marquise, VVS

4.1 x 1.9 mm

$ 347.56

View Gem

0.25ct Brown Diamond, Round, VVS-VS

4 mm (calibrated)

$ 380.34

View Gem

0.24ct Brown Diamond, Round, VS

4 mm (calibrated)

$ 365.12

View Gem

0.12ctw White Diamond, Marquise, VVS

4 x 2 mm (calibrated)

$ 417.08

View Gem

0.07ct White Diamond, Marquise, VVS

4.1 x 2.2 mm

$ 243.29

View Gem

0.78ct Black Diamond, Round, Opaque

5.3 mm

$ 621.50

View Gem

1.07ct Black Diamond, Square, Opaque

5 x 5 mm (calibrated)

$ 507.96

View Gem

0.38ct Blue Diamond, Round, SI

4.5 mm (calibrated)

$ 424.76

View Gem

0.31ct Yellow Diamond, Round, VS

4.2 mm

$ 565.94

View Gem

0.07ct White Diamond, Marquise, VVS

4.2 x 2.1 mm

$ 243.29

View Gem

0.07ct White Diamond, Marquise, VVS

4.1 x 2.1 mm

$ 243.29

View Gem
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Why Buy Diamond 4mm - 6mm Size 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

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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 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

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

good navigation and simple interface.

Posted By Dave in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

Posted By Orphanboy in December, 2025
Source: Bizrate
Enlarged Gemstone Image