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Natural Loose Spinel Gemstones

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

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18.25ctw Black Spinel, Trillion, Opaque

9.8 x 9.6 mm

$ 99.98

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17.01ctw Black Spinel, Trillion, Opaque

10 x 10 mm (calibrated)

$ 93.18

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15.34ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 50.41

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19.58ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 128.72

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19.19ctw Black Spinel, Round, Opaque

10 mm (calibrated)

$ 126.14

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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 -> 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

My current project is something BLUE . Opal earrings with matching tennis bracelet for her wedding. The opals and sixty two sapphires VVS & VS are AMAZINGLY BEAUTIFUL. The private jewelers were impressed by the clarity and inclusion free of the sapphires . I want to say thank you for the High quality sapphires that I purchased for my daughtera's wedding.

Posted By My real name Dean or Wandering about in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection prices are reasonable!

Posted By ToRa62 in April, 2026
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Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
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Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
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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
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