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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
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White 5 mm Gemstones
Yellow 5 mm Gemstones
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2.37ctw Yellow Sapphire, Round, VVS-VS

2.37ctw Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 187.86

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1.78ctw Blue Apatite, Oval, VS

1.78ctw Blue Apatite, Oval, VS

5 x 4 mm (calibrated)

$ 47.11

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1.59ctw Red Pyrope Garnet, Square, VVS-VS

1.59ctw Red Pyrope Garnet, Square, VVS-VS

5 x 5 mm (calibrated)

$ 14.69

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0.39ct Red Ruby, Oval, VS

0.39ct Red Ruby, Oval, VS

5.1 x 3.8 mm

$ 131.04

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1.55ctw Red Pyrope Garnet, Square, VS

1.55ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 14.33

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0.41ct Red Ruby, Oval, VS

0.41ct Red Ruby, Oval, VS

5 x 4 mm (calibrated)

$ 137.76

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1.71ctw Blue Tanzanite, Pear Shape, VS

1.71ctw Blue Tanzanite, Pear Shape, VS

5 x 3 mm (calibrated)

$ 79.01

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0.52ct Pink Spinel, Cushion, VS

0.52ct Pink Spinel, Cushion, VS

4.8 x 4.8 mm

$ 26.00

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2.35ctw Blue Sapphire, Baguette, VS
Sapphire Product Video (482638)

2.35ctw Blue Sapphire, Baguette, VS

5 x 3 mm (calibrated)

$ 480.35

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2.58ctw Purple Rhodolite Garnet, Round, VS

2.58ctw Purple Rhodolite Garnet, Round, VS

5 mm (calibrated)

$ 68.11

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0.65ct Green Sapphire, Heart, VS

0.65ct Green Sapphire, Heart, VS

5 x 5 mm (calibrated)

$ 42.84

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0.42ct Orange Sapphire, Pear Shape, VS

0.42ct Orange Sapphire, Pear Shape, VS

5 x 4 mm (calibrated)

$ 18.97

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0.51ct Blue Sapphire, Oval, VS-SI

0.51ct Blue Sapphire, Oval, VS-SI

5 x 4 mm (calibrated)

$ 139.93

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0.62ct Yellow Sapphire, Round, VVS

0.62ct Yellow Sapphire, Round, VVS

5 mm (calibrated)

$ 47.80

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2.40ctw Yellow Sapphire, Round, VVS-VS

2.40ctw Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 190.24

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1.12ctw Red Pyrope Garnet, Heart, VVS-VS

1.12ctw Red Pyrope Garnet, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 33.60

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1.86ctw Green Demantoid Garnet, Oval, VS
Demantoid Garnet Product Video (458346)

1.86ctw Green Demantoid Garnet, Oval, VS

5 x 4 mm (calibrated)

$ 245.52

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0.61ct Blue Sapphire, Heart, VVS-VS

0.61ct Blue Sapphire, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 51.24

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1.36ctw Yellow Sapphire, Round, VS

1.36ctw Yellow Sapphire, Round, VS

5 mm (calibrated)

$ 89.21

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1.36ctw Blue Tanzanite, Pear Shape, VS

1.36ctw Blue Tanzanite, Pear Shape, VS

5.2 x 3.9 mm

$ 62.83

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2.84ctw Multicolor Andalusite, Oval, VS

2.84ctw Multicolor Andalusite, Oval, VS

5 x 3 mm (calibrated)

$ 182.80

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1.32ctw Blue Apatite, Oval, VS

1.32ctw Blue Apatite, Oval, VS

5 x 4 mm (calibrated)

$ 34.94

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0.50ct Red Pyrope Garnet, Heart, VVS-VS

0.50ct Red Pyrope Garnet, Heart, VVS-VS

4.8 x 4.7 mm

$ 15.00

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0.48ctw Pink Sapphire, Oval, VVS-VS
Sapphire Product Video (536508)

0.48ctw Pink Sapphire, Oval, VVS-VS

5 x 3 mm (calibrated)

$ 63.36

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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

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.

Posted By Emmanuel in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Web site is very simple to navigate Selection is terrific

Posted By ToRa.62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
Source: Bizrate
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