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Natural Loose Spinel Gemstones

Browse our selection of natural loose spinel gemstones in vibrant colors and premium cuts.

Spinel Weight
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Size Explained

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For Example: 8-9
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Black Spinel
Blue Spinel
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Gray Spinel
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Orange
Pink Spinel
Purple Spinel
Red Spinel
Turquoise
Violet Spinel
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8.52ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 33.74

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15.34ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 60.74

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14.78ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 58.52

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14.85ctw Black Spinel, Oval, Opaque

14 x 10 mm (calibrated)

$ 58.81

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14.12ctw Black Spinel, Oval, Opaque

14 x 10 mm (calibrated)

$ 46.60

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17.73ctw Black Spinel, Heart, Opaque

13 x 13 mm (calibrated)

$ 70.21

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17.48ctw Black Spinel, Heart, Opaque

13 x 13 mm (calibrated)

$ 69.22

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17.07ctw Black Spinel, Heart, Opaque

13 x 13 mm (calibrated)

$ 61.45

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17.33ctw Black Spinel, Heart, Opaque

13 x 12.5 mm

$ 68.63

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8.89ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 35.21

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14.84ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 58.76

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13.93ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 55.16

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11.99ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 47.48

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13.48ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 53.38

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12.95ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 51.29

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14.22ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 56.32

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13.85ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 54.85

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14.03ctw Black Spinel, Oval, Opaque

14 x 10 mm (calibrated)

$ 55.56

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15.75ctw Black Spinel, Oval, Opaque

14 x 10 mm (calibrated)

$ 62.38

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7.19ctw Black Spinel, Round, Opaque

9 mm (calibrated)

$ 28.48

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25.16ctw Black Spinel, Baguette, Opaque

17.6 x 8.2 mm

$ 239.80

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25.13ctw Black Spinel, Baguette, Opaque

17.6 x 8.2 mm

$ 239.50

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25.16ctw Black Spinel, Baguette, Opaque

17.6 x 8.2 mm

$ 239.80

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24.82ctw Black Spinel, Baguette, Opaque

17.6 x 8.2 mm

$ 236.54

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Why Buy Spinel from GemSelect?

Natural Spinel Gemstones

Our natural spinel gemstones are carefully selected for their brilliance, clarity, and vibrant color. Every stone is 100% genuine, with any treatments fully disclosed for complete transparency.

Loose Spinel Stones Online

Buy loose spinel gemstones online with confidence at GemSelect. Choose from a wide range of shapes, sizes, and price points, all available with secure checkout and worldwide shipping.

Loose Spinel Gemstones in various colors and cuts

Red Spinel and Ruby Alternatives

Red spinel is highly valued for its intense color and brilliance. Often mistaken for ruby in historical crown jewels, spinel offers exceptional beauty and durability at an attractive price point.

Blue and Pink Spinel Varieties

Spinel is available in a stunning spectrum of colors, including vivid pink, rich blue, lavender, and even black. This versatility makes spinel an excellent choice for custom jewelry designs.

Faceted Spinel Stones

Faceted spinel gemstones maximize sparkle and brilliance. Popular shapes include round, oval, cushion, pear, and emerald cuts, ideal for rings, earrings, and pendants.

Spinel Cabochons

Spinel cabochons feature smooth, polished surfaces that highlight depth of color. These stones are perfect for unique statement jewelry or vintage-inspired settings.

Wholesale Spinel Gemstones

We offer competitive pricing on wholesale spinel gemstones for jewelers and collectors. Bulk purchases and calibrated sizes are available for consistent jewelry production.

August Birthstone Spinel

Spinel is recognized as an official August birthstone. It symbolizes strength and vitality, making it a meaningful gift for birthdays and special occasions.

Learn more about the history, properties, and care of spinel on our Spinel Information Page.

FAQs

Is spinel a natural gemstone?

Yes, spinel is a naturally occurring gemstone. At GemSelect, all spinel stones are genuine, and any treatments are clearly disclosed.

Is spinel a good alternative to ruby?

Red spinel offers similar color and brilliance to ruby but is often more affordable. It is also durable enough for everyday jewelry, with a Mohs hardness of 8.

What colors does spinel come in?

Spinel is available in red, pink, blue, purple, orange, gray, and black. This wide color range makes it suitable for many jewelry styles.

Can I buy spinel gemstones in calibrated sizes?

Yes, we offer calibrated spinel gemstones in popular sizes such as 6 mm rounds and 8 x 6 mm ovals, ideal for standard jewelry settings.

Is spinel suitable for engagement rings?

With a hardness of 8 on the Mohs scale, spinel is durable enough for engagement rings and daily wear when properly set and cared for.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
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 -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate
Enlarged Gemstone Image