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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

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For Example: 6-7
For Example: 8-9
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Black 5 mm Gemstones
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Multicolor 5 mm Gemstones
Orange 5 mm Gemstones
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White 5 mm Gemstones
Yellow 5 mm Gemstones
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1.01ctw Red Pyrope Garnet, Heart, VVS-VS

1.01ctw Red Pyrope Garnet, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 9.70

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0.63ct Blue Sapphire, Round, VVS-VS

0.63ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 511.32

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1.74ctw Blue Tanzanite, Pear Shape, VS

1.74ctw Blue Tanzanite, Pear Shape, VS

5 x 3 mm (calibrated)

$ 80.39

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0.45ct Green Sapphire, Oval, VVS-VS

0.45ct Green Sapphire, Oval, VVS-VS

5 x 3 mm (calibrated)

$ 40.08

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2.81ctw Red Rhodolite Garnet, Square, VS

2.81ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 29.64

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0.71ct Blue Sapphire, Briolette, VS

0.71ct Blue Sapphire, Briolette, VS

5.1 x 4.1 mm

$ 76.68

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2.55ctw Yellow Sapphire, Round, VVS-VS

2.55ctw Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 202.13

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0.84ctw Orange Spessartite Garnet, Oval, VS

0.84ctw Orange Spessartite Garnet, Oval, VS

4.8 x 4 mm

$ 35.28

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0.79ctw Orange Spessartite Garnet, Oval, VS

0.79ctw Orange Spessartite Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 33.18

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0.96ctw Red Pyrope Garnet, Heart, VS

0.96ctw Red Pyrope Garnet, Heart, VS

5 x 5 mm (calibrated)

$ 9.22

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0.55ct Orange Sapphire, Emerald Cut, VS

0.55ct Orange Sapphire, Emerald Cut, VS

5 x 4 mm (calibrated)

$ 36.00

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2.03ctw Blue Tanzanite, Pear Shape, VS

2.03ctw Blue Tanzanite, Pear Shape, VS

5 x 3 mm (calibrated)

$ 93.79

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0.41ct Green Emerald, Round, Transparent

0.41ct Green Emerald, Round, Transparent

5 mm (calibrated)

$ 19.68

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0.28ct Green Emerald, Oval, VS-SI

0.28ct Green Emerald, Oval, VS-SI

5 x 4 mm (calibrated)

$ 33.60

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1.34ctw Blue Apatite, Oval, VS-SI

1.34ctw Blue Apatite, Oval, VS-SI

5.2 x 4.2 mm

$ 53.06

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1.31ctw Red Rhodolite Garnet, Square, VS

1.31ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 13.82

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0.56ct Green Sapphire, Oval, VVS-VS

0.56ct Green Sapphire, Oval, VVS-VS

5 x 4 mm (calibrated)

$ 49.87

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0.57ct Orange Sphalerite, Round, SI-I1

0.57ct Orange Sphalerite, Round, SI-I1

5 mm (calibrated)

$ 34.20

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0.27ct Violet Iolite, Emerald Cut, VS-SI

0.27ct Violet Iolite, Emerald Cut, VS-SI

5 x 3 mm (calibrated)

$ 12.96

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1.47ctw White Zircon, Round, VS

1.47ctw White Zircon, Round, VS

5 mm (calibrated)

$ 46.57

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3.91ctw Orange Hessonite Garnet, Emerald Cut, VS

3.91ctw Orange Hessonite Garnet, Emerald Cut, VS

5 x 5 mm (calibrated)

$ 92.90

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0.59ct Red Pyrope Garnet, Heart, VS

0.59ct Red Pyrope Garnet, Heart, VS

5 x 5 mm (calibrated)

$ 17.70

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0.35ct Blue Tanzanite, Pear Shape, VS

0.35ct Blue Tanzanite, Pear Shape, VS

5 x 4 mm (calibrated)

$ 25.20

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1.07ct Orange Hessonite Garnet, Square, VS

1.07ct Orange Hessonite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 22.51

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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

I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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