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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
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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0.48ct Blue Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 40.32

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0.80ct Red Ruby, Round, VS-SI

5 mm (calibrated)

$ 86.40

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1.25ctw Red Pyrope Garnet, Heart, VS

5 x 5 mm (calibrated)

$ 39.60

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0.32ct Yellow Citrine, Heart, VVS

4.9 x 4.6 mm

$ 3.07

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1.41ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 14.88

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0.26ct Violet Iolite, Baguette, VS-SI

5 x 3 mm (calibrated)

$ 12.48

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0.61ct Pink Sapphire, Round, VS

5 mm (calibrated)

$ 291.61

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0.66ct Blue Sapphire, Round, VVS

5 mm (calibrated)

$ 446.39

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0.49ct Purple Spinel, Cushion, VS

4.9 x 4.1 mm

$ 41.16

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0.26ct Yellow Sapphire, Baguette, VVS-VS

4.9 x 2.6 mm

$ 12.47

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0.46ct Orange Spessartite Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 19.32

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4.33ctw Blue Topaz, Oval, VS

4.9 x 3.2 mm

$ 28.58

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1.52ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 16.02

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1.51ctw Blue Tanzanite, Pear Shape, VS

5 x 3 mm (calibrated)

$ 69.77

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1.28ctw Red Pyrope Garnet, Square, VVS-VS

5 x 5 mm (calibrated)

$ 11.83

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4.67ctw Purple Rhodolite Garnet, Trillion, VS

5 x 5 mm (calibrated)

$ 49.32

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0.44ct Yellow Citrine, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 4.22

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1.54ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 14.23

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0.13ct Violet Iolite, Oval, VS

5 x 3 mm (calibrated)

$ 6.24

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2.01ctw Blue Apatite, Oval, VS

5 x 4 mm (calibrated)

$ 53.20

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0.63ct Orange Spessartite Garnet, Oval, VS

5.2 x 4.2 mm

$ 18.83

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0.68ct Green Sapphire, Trillion, VS

5 x 5 mm (calibrated)

$ 65.28

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0.68ct Violet Spinel, Round, VVS-VS

5 mm (calibrated)

$ 42.97

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2.66ctw Green Peridot, Square, VS

5 x 5 mm (calibrated)

$ 35.11

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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!

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I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

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Overall Rating -> 10 star ratings

Easy to use website

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Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
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Overall Rating -> 10 star ratings

Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

Posted By HVeeder in February, 2026
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