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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

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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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0.56ct Dark Blue Sapphire, Round, VS
Sapphire Product Video (467350)

0.56ct Dark Blue Sapphire, Round, VS

5 mm (calibrated)

$ 454.50

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0.94ctw Orange-Gold Spessartite Garnet, Oval, VS

0.94ctw Orange-Gold Spessartite Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 39.48

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0.30ct Light Lively Green Peridot, Emerald Cut, VVS-VS
Peridot Product Video (527301)

0.30ct Light Lively Green Peridot, Emerald Cut, VVS-VS

5 x 3 mm (calibrated)

$ 4.89

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0.84ct White Cat's Eye Moonstone, Round, Translucent

0.84ct White Cat's Eye Moonstone, Round, Translucent

5.2 mm

$ 15.14

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0.62ct Dark Blue Sapphire, Round, VVS-VS

0.62ct Dark Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 503.20

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0.49ct Light Green Demantoid Garnet, Oval, VS-SI

0.49ct Light Green Demantoid Garnet, Oval, VS-SI

5.1 x 4.1 mm

$ 161.70

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0.43ct Fire Red Sapphire, Pear Shape, VVS-VS
Sapphire Product Video (614147)

0.43ct Fire Red Sapphire, Pear Shape, VVS-VS

5.2 x 4.1 mm

$ 22.20

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1.19ctw Midnight Blue Sapphire, Round, VS
Sapphire Product Video (557388)

1.19ctw Midnight Blue Sapphire, Round, VS

5 mm (calibrated)

$ 853.45

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2.42ctw Blue Apatite, Oval, VS

2.42ctw Blue Apatite, Oval, VS

5.2 x 4 mm

$ 64.04

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0.90ctw Medium Green Demantoid Garnet, Oval, VS
Demantoid Garnet Product Video (458684)

0.90ctw Medium Green Demantoid Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 195.43

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0.58ct Shamrock Green Emerald, Emerald Cut, SI

0.58ct Shamrock Green Emerald, Emerald Cut, SI

5.2 x 4.1 mm

$ 145.00

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0.43ct Deep Orange-Gold Sapphire, Emerald Cut, VS
Sapphire Product Video (634782)

0.43ct Deep Orange-Gold Sapphire, Emerald Cut, VS

5.1 x 3.2 mm

$ 40.65

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0.36ct Dark Green Kornerupine, Baguette, VS

0.36ct Dark Green Kornerupine, Baguette, VS

5.2 x 3.3 mm

$ 37.15

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0.51ct Brownish Orange Sphalerite, Oval, SI-I1

0.51ct Brownish Orange Sphalerite, Oval, SI-I1

4.9 x 4.2 mm

$ 30.60

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2.03ctw Warm Green Demantoid Garnet, Oval, VS
Demantoid Garnet Product Video (461509)

2.03ctw Warm Green Demantoid Garnet, Oval, VS

4.8 x 4.1 mm

$ 223.30

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0.47ct Medium Purple Sapphire, Oval, VS

0.47ct Medium Purple Sapphire, Oval, VS

5 x 4 mm (calibrated)

$ 186.12

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0.60ct Deep Blue Sapphire, Round, VVS-VS

0.60ct Deep Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 405.81

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1.14ctw Royal Blue Sapphire, Round, VVS-VS
Sapphire Product Video (479333)

1.14ctw Royal Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 798.92

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1.93ctw Multicolor Andalusite, Oval, VS

1.93ctw Multicolor Andalusite, Oval, VS

5 x 3 mm (calibrated)

$ 124.22

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1.69ctw Multicolor Andalusite, Oval, VS

1.69ctw Multicolor Andalusite, Oval, VS

5 x 3 mm (calibrated)

$ 108.77

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0.57ct Twilight Blue Sapphire, Round, VVS-VS
Sapphire Product Video (467310)

0.57ct Twilight Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 385.52

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0.59ct Dark Blue Sapphire, Round, VVS
Sapphire Product Video (467451)

0.59ct Dark Blue Sapphire, Round, VVS

5 mm (calibrated)

$ 478.86

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0.67ct Twilight Blue Sapphire, Round, VS
Sapphire Product Video (449827)

0.67ct Twilight Blue Sapphire, Round, VS

5 mm (calibrated)

$ 400.42

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0.67ct Light Green Peridot, Square, VVS-VS
Peridot Product Video (527303)

0.67ct Light Green Peridot, Square, VVS-VS

5 x 5 mm (calibrated)

$ 11.08

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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

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?

Posted By Lynn in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good.

Posted By Tommy in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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