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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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7.10ctw White Topaz, Square, VVS-VS

5 x 5 mm (calibrated)

$ 56.68

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0.46ct Green Sapphire, Oval, VVS-VS

5.1 x 4.2 mm

$ 34.01

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0.58ct Orange Zircon, Oval, VVS-VS

5.2 x 4 mm

$ 8.67

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0.71ct Orange Sapphire, Round, VS

5 mm (calibrated)

$ 45.43

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0.50ct Green Sapphire, Oval, VVS

5.2 x 4.1 mm

$ 36.96

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0.59ct Blue Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 34.28

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0.58ct Blue Sapphire, Round, VVS

5 mm (calibrated)

$ 345.26

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0.61ct Yellow Chrysoberyl, Round, VVS-VS

5 mm (calibrated)

$ 55.69

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2.58ctw Red Rhodolite Garnet, Square, VVS-VS

5 x 5 mm (calibrated)

$ 22.58

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1.48ctw Blue Apatite, Oval, VS

5 x 4 mm (calibrated)

$ 32.51

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2.89ctw Orange Spessartite Garnet, Round, VS

5 mm (calibrated)

$ 98.16

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0.72ct Orange Sphalerite, Round, SI

5 mm (calibrated)

$ 35.86

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1.79ctw Blue Tanzanite, Pear Shape, VS

5 x 3 mm (calibrated)

$ 68.64

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1.03ctw White Rainbow Moonstone, Round, Transparent

5 mm (calibrated)

$ 33.86

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0.65ct Green Sphene, Oval, Transparent

5.2 x 4.8 mm

$ 3.24

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0.33ct Orange Spessartite Garnet, Oval, VS-SI

5 x 3.1 mm

$ 11.50

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0.41ct Yellow Sapphire, Emerald Cut, VS

5 x 3.2 mm

$ 37.30

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0.49ct Yellow Citrine, Cushion, VVS

5 x 5 mm (calibrated)

$ 3.42

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0.37ctw Yellow Sapphire, Marquise, VVS-VS

5 x 2.5 mm (calibrated)

$ 25.35

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0.61ct Red Pyrope Garnet, Heart, VS

5 x 5 mm (calibrated)

$ 15.19

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1.29ctw Red Pyrope Garnet, Square, VVS-VS

5 x 5 mm (calibrated)

$ 9.89

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1.00ctw Orange Spessartite Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 34.86

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4.46ctw Purple Rhodolite Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 32.58

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1.47ctw Red Rhodolite Garnet, Square, VS

4.9 x 4.2 mm

$ 12.88

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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

Recomendado Totalmente Los Productos Se Entregaron A Tiempo

Posted By Alexis in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
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Overall Rating -> 10 star ratings

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

Posted By Lex in April, 2026
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Overall Rating -> 10 star ratings

Very pleasant

Posted By Varun in June, 2026
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Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
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Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate
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