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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
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Black 5 mm Gemstones
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Multicolor 5 mm Gemstones
Orange 5 mm Gemstones
Pink 5 mm Gemstones
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Violet 5 mm Gemstones
White 5 mm Gemstones
Yellow 5 mm Gemstones
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0.26ct Violet Iolite, Baguette, VS

5 x 3 mm (calibrated)

$ 12.48

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0.59ct Pink Tourmaline, Round, Transparent

5 mm (calibrated)

$ 28.32

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2.57ctw Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 170.16

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0.85ctw Green Sapphire, Oval, VS

5 x 4 mm (calibrated)

$ 75.71

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8.30ctw White Topaz, Square, VVS-VS

5 x 5 mm (calibrated)

$ 80.52

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2.98ctw Green Peridot, Round, VVS-VS

5 mm (calibrated)

$ 59.00

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0.69ctw Orange Spessartite Garnet, Oval, VS-SI

4.9 x 3.2 mm

$ 25.85

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0.52ct Orange Zircon, Oval, VS

5 x 4 mm (calibrated)

$ 9.36

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2.55ctw Purple Rhodolite Garnet, Oval, VS

5 x 3 mm (calibrated)

$ 49.99

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0.46ct Orange Sapphire, Pear Shape, VS

5 x 4 mm (calibrated)

$ 82.80

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1.46ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 15.41

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0.64ct Green Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 42.18

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0.39ct Green Sapphire, Emerald Cut, VS

5.1 x 3.2 mm

$ 44.46

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0.88ctw Yellow Citrine, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 8.45

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0.65ct Orange Sphalerite, Round, SI

5 mm (calibrated)

$ 39.00

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0.41ct Yellow Citrine, Heart, VVS

5 x 5 mm (calibrated)

$ 3.94

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0.41ct Yellow Sapphire, Baguette, VS

5 x 3 mm (calibrated)

$ 32.28

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2.45ctw Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 194.20

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0.37ctw Yellow Sapphire, Marquise, VVS-VS

5 x 2.5 mm (calibrated)

$ 30.54

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0.79ct Green Tourmaline, Emerald Cut, VVS-VS

4.9 x 4.7 mm

$ 47.40

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0.33ct Violet Iolite, Baguette, VS

5 x 3 mm (calibrated)

$ 15.84

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0.93ctw Orange Spessartite Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 39.06

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0.48ct Pink Sapphire, Oval, VVS-VS

5 x 4 mm (calibrated)

$ 57.60

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1.37ctw Red Pyrope Garnet, Square, VS-SI

5 x 5 mm (calibrated)

$ 12.66

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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

overall great

Posted By SR in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 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 -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 2026
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Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
Source: Bizrate
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