90,000+Happy Customers
20+Years
WorldwideShipping
Cart
Free Report Included
Worldwide Shipping
30 Day Returns
Help Center Shipping Payment and Checkout Returns Certificates Contact Us
Home Gemstones Gemstones By Size 5 mm Gemstones

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

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black 5 mm Gemstones
Blue 5 mm Gemstones
Brown 5 mm Gemstones
Golden
Gray 5 mm Gemstones
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
Single
Pairs
Lots
Faceted
Cabochons
Clear All

0.54ct Red Pyrope Garnet, Heart, VVS-VS

5 x 5 mm (calibrated)

$ 13.45

View Gem

0.54ct Red Pyrope Garnet, Pear Shape, VVS-VS

5 x 5 mm (calibrated)

$ 13.45

View Gem

1.05ct Orange Hessonite Garnet, Square, VS-SI

5 x 5 mm (calibrated)

$ 18.33

View Gem

0.38ct Orange Sapphire, Pear Shape, VVS-VS

5 x 3.8 mm

$ 21.20

View Gem

1.39ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 10.66

View Gem

2.40ctw Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 157.90

View Gem

1.89ctw Blue Apatite, Oval, VS

5 x 4 mm (calibrated)

$ 41.52

View Gem

3.11ctw Red Spessartite Garnet, Round, VVS-VS

5 mm (calibrated)

$ 105.63

View Gem

1.32ctw Turquoise Apatite, Oval, Transparent

4.9 x 3.4 mm

$ 27.13

View Gem

1.77ctw Blue Tanzanite, Pear Shape, VS

5 x 4 mm (calibrated)

$ 67.88

View Gem

1.21ctw Yellow Sapphire, Round, VS

5 mm (calibrated)

$ 66.49

View Gem

0.36ct Pink Sapphire, Pear Shape, VVS-VS

5 x 4 mm (calibrated)

$ 33.13

View Gem

0.60ct Orange Zircon, Oval, VS

5.2 x 4 mm

$ 14.94

View Gem

1.51ctw Red Pyrope Garnet, Square, VS

5 x 5 mm (calibrated)

$ 11.59

View Gem

0.68ct Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 37.38

View Gem

2.37ctw Blue Tanzanite, Pear Shape, VS

5.2 x 3.2 mm

$ 90.89

View Gem

2.86ctw Green Peridot, Round, VVS-VS

5 mm (calibrated)

$ 47.00

View Gem

1.37ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 12.00

View Gem

1.43ctw Blue Apatite, Oval, VS-SI

5 x 4 mm (calibrated)

$ 29.39

View Gem

1.25ctw Red Pyrope Garnet, Heart, VS

5 x 5 mm (calibrated)

$ 32.87

View Gem

4.02ctw Green Amazonite, Cushion, Opaque

5 x 5 mm (calibrated)

$ 9.77

View Gem

0.64ct Yellow Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 40.95

View Gem

1.34ctw Red Rhodolite Garnet, Square, VS

5 x 5 mm (calibrated)

$ 11.74

View Gem

3.69ctw Orange Hessonite Garnet, Emerald Cut, VS

5 x 5 mm (calibrated)

$ 72.77

View Gem

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

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 all good

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use. No issues. Large selection of gems.

Posted By CLTCJH in February, 2026
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 -> 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
Source: Bizrate
Enlarged Gemstone Image