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5 mm Gemstones for Jewelry

Browse our selection of precisely calibrated 5 mm gemstones, ideal for consistent and professional jewelry designs.

5 mm Gemstones Weight
5 mm Gemstones Size
5 mm Gemstones Clarity
5 mm Gemstones Price
5 mm Gemstones Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
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Black 5 mm Gemstones
Blue 5 mm Gemstones
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Green 5 mm Gemstones
Multicolor 5 mm Gemstones
Orange 5 mm Gemstones
Pink 5 mm Gemstones
Purple 5 mm Gemstones
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Turquoise 5 mm Gemstones
Violet 5 mm Gemstones
White 5 mm Gemstones
Yellow 5 mm Gemstones
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2.01ctw Blue Tanzanite, Pear Shape, VS
Tanzanite Product Video (454399)

2.01ctw Blue Tanzanite, Pear Shape, VS

5.1 x 3.2 mm

$ 92.87

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0.56ct Red Pyrope Garnet, Heart, VS

0.56ct Red Pyrope Garnet, Heart, VS

5 x 5 mm (calibrated)

$ 5.38

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1.29ctw Blue Tanzanite, Pear Shape, VVS-VS

1.29ctw Blue Tanzanite, Pear Shape, VVS-VS

5 x 3 mm (calibrated)

$ 59.60

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3.22ctw Blue Topaz, Oval, VS

3.22ctw Blue Topaz, Oval, VS

5 x 3.3 mm

$ 21.25

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0.45ct Pink Sapphire, Oval, VS

0.45ct Pink Sapphire, Oval, VS

5 x 4 mm (calibrated)

$ 54.00

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0.32ct Green Kornerupine, Baguette, VVS

0.32ct Green Kornerupine, Baguette, VVS

5 x 3 mm (calibrated)

$ 21.12

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0.46ct Yellow Citrine, Cushion, Transparent

0.46ct Yellow Citrine, Cushion, Transparent

5.2 x 5.1 mm

$ 4.14

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1.33ctw Red Pyrope Garnet, Square, VVS-VS

1.33ctw Red Pyrope Garnet, Square, VVS-VS

5 x 5 mm (calibrated)

$ 12.29

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0.94ctw White Zircon, Oval, VVS

0.94ctw White Zircon, Oval, VVS

5 x 3.1 mm

$ 55.27

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0.48ct Yellow Sapphire, Heart, VS

0.48ct Yellow Sapphire, Heart, VS

4.8 x 4.7 mm

$ 35.71

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3.15ctw Green Peridot, Round, VVS-VS
Peridot Product Video (489358)

3.15ctw Green Peridot, Round, VVS-VS

5 mm (calibrated)

$ 62.38

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0.87ct Multicolor Sapphire, Cushion, VS

0.87ct Multicolor Sapphire, Cushion, VS

5 x 5 mm (calibrated)

$ 83.52

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1.27ctw Orange Zircon, Oval, VVS

1.27ctw Orange Zircon, Oval, VVS

5.2 x 4.1 mm

$ 38.10

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1.58ctw Violet Tanzanite, Pear Shape, VS

1.58ctw Violet Tanzanite, Pear Shape, VS

5.1 x 3.1 mm

$ 73.00

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0.50ct Orange Spessartite Garnet, Oval, VS

0.50ct Orange Spessartite Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 18.00

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0.82ct Multicolor Sapphire, Cushion, VS

0.82ct Multicolor Sapphire, Cushion, VS

5 x 5 mm (calibrated)

$ 78.72

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0.39ctw Orange Sapphire, Marquise, VVS

0.39ctw Orange Sapphire, Marquise, VVS

5 x 2.5 mm (calibrated)

$ 32.18

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0.61ct Pink Tourmaline, Round, Transparent

0.61ct Pink Tourmaline, Round, Transparent

5 mm (calibrated)

$ 29.28

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2.75ctw Blue Topaz, Oval, VS

2.75ctw Blue Topaz, Oval, VS

5.2 x 3.1 mm

$ 18.16

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0.53ct Blue Sapphire, Round, VVS-VS

0.53ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 430.16

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1.64ctw Multicolor Andalusite, Oval, VS

1.64ctw Multicolor Andalusite, Oval, VS

5 x 3.1 mm

$ 105.56

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0.55ct Red Pyrope Garnet, Heart, VVS-VS

0.55ct Red Pyrope Garnet, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 16.50

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0.92ctw Yellow Citrine, Heart, VVS

0.92ctw Yellow Citrine, Heart, VVS

5 x 5 mm (calibrated)

$ 7.73

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1.76ctw Orange Zircon, Round, VS

1.76ctw Orange Zircon, Round, VS

5 mm (calibrated)

$ 41.17

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Why Buy 5 Mm Gemstones from GemSelect?

Precision Cut 5 mm Gemstones

Our 5 mm gemstones are expertly cut to precise dimensions, making them ideal for standardized jewelry settings such as rings, earrings, and bracelets.

Shop 5mm Loose Gemstones Online

Discover a wide range of 5mm loose gemstones available in many varieties, colors, and shapes, all ready for immediate shipment worldwide.

Perfect Size for Jewelry Settings

The 5 mm size is one of the most popular choices for jewelry, offering a balance between visibility and wearability for rings, studs, and pendants.

Wide Variety of Gemstone Types

Choose from sapphires, garnets, amethyst, citrine, peridot, and many other gemstones, all available in calibrated 5 mm sizes.

Faceted and Cabochon Options

Our 5 mm gemstones are available in both faceted cuts for maximum brilliance and cabochon finishes for a smooth, classic appearance.

Calibrated Gemstones for Easy Setting

Calibrated 5mm gemstones ensure a consistent fit in pre-made jewelry mounts, saving time and ensuring professional results for jewelers.

Natural and Certified Gemstones

All our gemstones are natural and carefully sourced, with full disclosure of any treatments to ensure transparency and trust.

Wholesale 5 mm Gemstones

We offer competitive pricing for bulk purchases, making our 5 mm gemstones an excellent choice for jewelry manufacturers and resellers.

Learn more about gemstone cuts, sizes, and quality on our Gemstone Cut Information Page.

FAQs

What does 5 mm mean in gemstones?

5 mm refers to the diameter or size of the gemstone, commonly used for round stones, making it a standardized size for jewelry settings.

Are 5 mm gemstones considered large?

5 mm gemstones are considered medium-sized, offering a noticeable presence while remaining comfortable for everyday wear.

Are 5mm gemstones calibrated?

Yes, most 5mm gemstones are precision-cut to calibrated sizes, ensuring they fit standard jewelry mounts without adjustment.

Which gemstones are available in 5 mm size?

Many gemstones are available in 5 mm, including sapphire, ruby, garnet, amethyst, citrine, peridot, and more.

Can I use 5 mm gemstones for engagement rings?

Yes, 5 mm gemstones are a popular choice for engagement rings, especially for those seeking a balanced and practical stone size.

Do 5 mm gemstones work with standard settings?

Yes, calibrated 5 mm gemstones are designed to fit standard jewelry settings, making them easy to use in pre-made mounts.

Are your 5 mm gemstones natural?

All our gemstones are natural, with any treatments clearly disclosed to maintain transparency and customer confidence.

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

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was all good

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was good. There was a large selection at prices I could afford.

Posted By Zorah in February, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate
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