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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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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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0.77ct Green Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 42.12

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3.02ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 26.44

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1.26ctw Red Pyrope Garnet, Heart, VS

5 x 5 mm (calibrated)

$ 33.13

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0.72ct Purple Spinel, Cushion, VS

4.9 x 4.4 mm

$ 50.20

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0.68ct Green Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 37.20

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0.49ct Green Sapphire, Briolette, VS

5.1 x 3.3 mm

$ 43.92

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1.43ctw Red Rhodolite Garnet, Square, VVS-VS

5 x 5 mm (calibrated)

$ 12.52

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4.93ctw Purple Rhodolite Garnet, Trillion, VS

5 x 5 mm (calibrated)

$ 43.21

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1.21ctw Yellow Sapphire, Round, VVS

5 mm (calibrated)

$ 66.59

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1.65ctw Green Demantoid Garnet, Oval, VS

4.8 x 3.9 mm

$ 180.77

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0.41ct Purple Sapphire, Oval, VVS-VS

5 x 4 mm (calibrated)

$ 35.95

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1.12ctw Red Pyrope Garnet, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 27.89

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0.58ct Violet Spinel, Round, VVS-VS

5 mm (calibrated)

$ 29.07

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1.26ctw Green Demantoid Garnet, Oval, VS-SI

4.8 x 3.9 mm

$ 138.05

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1.28ctw Red Pyrope Garnet, Square, VVS-VS

5 x 5 mm (calibrated)

$ 9.82

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1.29ctw White Zircon, Round, VS

5 mm (calibrated)

$ 38.16

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0.53ct Yellow Sphalerite, Trillion, SI-I1

5 x 5 mm (calibrated)

$ 26.39

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0.54ct Red Pyrope Garnet, Heart, VS

5 x 5 mm (calibrated)

$ 13.45

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0.43ct Pink Sapphire, Oval, VS

5 x 4 mm (calibrated)

$ 43.38

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2.01ctw Violet Tanzanite, Pear Shape, VS

5 x 3 mm (calibrated)

$ 77.08

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7.61ctw Multicolor Labradorite, Square, Translucent

5 x 5 mm (calibrated)

$ 8.85

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0.35ct Blue Sapphire, Oval, VVS-VS

5.1 x 3.2 mm

$ 43.40

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2.78ctw Orange Spessartite Garnet, Round, VS

5 mm (calibrated)

$ 91.37

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0.60ct Blue Sapphire, Cushion, VS

5.2 x 4.2 mm

$ 71.71

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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 Tommy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good place to buy gemstones

Posted By Elansary in March, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

Posted By Meyeusername in March, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Ita's a pretty good and simple way to find gems that youa're looking for amazing selection

Posted By Amman in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection prices are reasonable!

Posted By ToRa62 in April, 2026
Source: Bizrate
Enlarged Gemstone Image