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Home › Gemstones › Gemstones By Size › 5 mm Gemstones

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
Brown 5 mm Gemstones
Golden 5 mm Gemstones
Gray 5 mm Gemstones
Green 5 mm Gemstones
Multicolor 5 mm Gemstones
Orange 5 mm Gemstones
Pink 5 mm Gemstones
Purple 5 mm Gemstones
Red 5 mm Gemstones
Turquoise 5 mm Gemstones
Violet 5 mm Gemstones
White 5 mm Gemstones
Yellow 5 mm Gemstones
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0.39ct Yellow Sapphire, Baguette, VVS-VS

0.39ct Yellow Sapphire, Baguette, VVS-VS

5 x 3 mm (calibrated)

$ 25.49

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0.77ct Pink Tourmaline, Round, Transparent

0.77ct Pink Tourmaline, Round, Transparent

5 mm (calibrated)

$ 30.68

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0.57ct Blue Sapphire, Round, VVS-VS
Sapphire Product Video (467279)

0.57ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 383.97

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0.55ct Green Sapphire, Emerald Cut, VS

0.55ct Green Sapphire, Emerald Cut, VS

5 x 4 mm (calibrated)

$ 29.88

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0.65ct Yellow Sapphire, Round, VVS-VS

0.65ct Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 41.60

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2.52ctw Red Rhodolite Garnet, Square, VS

2.52ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 22.05

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0.63ct Green Tourmaline, Round, Transparent

0.63ct Green Tourmaline, Round, Transparent

5 mm (calibrated)

$ 25.10

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0.62ct Blue Sapphire, Round, VVS-VS

0.62ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 369.07

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0.27ct Green Kornerupine, Baguette, VVS

0.27ct Green Kornerupine, Baguette, VVS

5.1 x 2.8 mm

$ 14.79

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0.66ct Blue Sapphire, Round, VS

0.66ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 392.87

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0.43ct Red Ruby, Oval, VS

0.43ct Red Ruby, Oval, VS

5 x 4 mm (calibrated)

$ 119.92

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2.20ctw Yellow Sapphire, Round, VVS-VS

2.20ctw Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 144.74

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0.58ctw White Sapphire, Oval, VVS-VS
Sapphire Product Video (536717)

0.58ctw White Sapphire, Oval, VVS-VS

4.9 x 3.2 mm

$ 63.54

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0.62ct Green Sapphire, Oval, VVS

0.62ct Green Sapphire, Oval, VVS

5.2 x 4.1 mm

$ 45.83

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0.63ctw Yellow Sapphire, Baguette, VS

0.63ctw Yellow Sapphire, Baguette, VS

5 x 3 mm (calibrated)

$ 24.16

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3.06ctw Blue Topaz, Oval, VS

3.06ctw Blue Topaz, Oval, VS

5 x 3.2 mm

$ 16.77

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4.40ctw Yellow Sapphire, Marquise, VVS-VS

4.40ctw Yellow Sapphire, Marquise, VVS-VS

5.1 x 2.6 mm

$ 120.52

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1.40ctw Red Rhodolite Garnet, Square, VS

1.40ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 12.26

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1.48ctw Red Rhodolite Garnet, Square, VS

1.48ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 12.96

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2.65ctw Green Peridot, Round, VVS-VS

2.65ctw Green Peridot, Round, VVS-VS

5 mm (calibrated)

$ 43.56

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0.37ct Yellow Citrine, Heart, VVS-VS

0.37ct Yellow Citrine, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 2.95

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0.44ct Green Sapphire, Oval, VS

0.44ct Green Sapphire, Oval, VS

5 x 4 mm (calibrated)

$ 32.53

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0.82ctw Yellow Citrine, Heart, VVS-VS

0.82ctw Yellow Citrine, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 6.53

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0.61ct Red Pyrope Garnet, Heart, VS

0.61ct Red Pyrope Garnet, Heart, VS

5 x 5 mm (calibrated)

$ 15.19

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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

Very good

Posted By Niska in August, 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 -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

It was fine

Posted By Na in April, 2026
Source: Bizrate

Overall Rating -> 7 star ratings

Could not get it to work 25 times.

Posted By Dock in July, 2026
Source: Bizrate
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