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Precious Gemstones

Explore our selection of natural precious gemstones, including ruby, sapphire, emerald and diamond for fine jewelry and investment.

Precious Stones Weight
Precious Stones Size
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0.56ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 454.50

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22.20ct Yellow Star Sapphire, Oval, Opaque

17.3 x 14.5 mm

$ 263.74

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1.50ct Red Ruby, Marquise, VS-SI

10.4 x 5.2 mm

$ 1,219.90

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0.24ctw Black Diamond, Round, Opaque

3 mm (calibrated)

$ 137.56

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1.70ct Brown Diamond, Round, SI

7.5 mm (calibrated)

$ 4,784.02

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0.59ct Blue Sapphire, Round, VVS

5 mm (calibrated)

$ 478.86

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28.80ct Green Emerald, Emerald Cut, SI

19 x 19 mm (calibrated)

$ 18,233.10

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1.84ct Red Ruby, Marquise, VS-SI

10.8 x 5.6 mm

$ 1,288.00

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0.14ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 61.88

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0.78ct Violet Sapphire, Oval, VVS

6.7 x 4.7 mm

$ 308.88

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6.85ct Yellow Sapphire, Oval, VS-SI

11.2 x 9.7 mm

$ 1,883.75

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1.81ct Brown Diamond, Round, SI

7.5 mm (calibrated)

$ 5,647.20

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35.51ct Purple Star Ruby, Oval, Opaque

19.9 x 17.4 mm

$ 468.73

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1.22ctw Red Rubies, Pear Shape, VS

7 x 5 mm (calibrated)

$ 854.00

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0.15ctw White Diamond, Round, VVS-VS

2.7 mm (calibrated)

$ 248.75

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1.24ct Yellow Sapphire, Round, VVS

5.7 mm

$ 294.62

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31.68ct Yellow Star Sapphire, Oval, Opaque

20.1 x 15.8 mm

$ 376.36

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1.10ct Red Ruby, Marquise, VS-SI

9.5 x 4.5 mm

$ 945.40

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0.65ct Purple Sapphire, Pear Shape, VVS-VS

6.6 x 4.5 mm

$ 257.40

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0.56ctw White Diamond, Heart, VVS

3 x 2.6 mm

$ 2,290.72

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1.77ct Green Emerald, Emerald Cut, VS-SI

7.7 x 7 mm

$ 1,770.00

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1.12ct Red Ruby, Oval, SI

6.6 x 5.5 mm

$ 825.46

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0.87ct Red Ruby, Round, VS-SI

5.5 mm (calibrated)

$ 321.55

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1.24ct Red Ruby, Marquise, VS-SI

9.2 x 4.6 mm

$ 1,096.68

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Why Buy Precious Stones from GemSelect?

What Are Precious Gemstones?

Precious gemstones traditionally include ruby, sapphire, emerald, and diamond. These stones are valued for their rarity, durability, and exceptional beauty, making them the most sought-after gems for fine jewelry.

Natural Precious Gemstones for Sale

At GemSelect, all precious gemstones are natural and carefully sourced. Each stone is selected for quality, with full disclosure of any treatments, ensuring confidence in every purchase.

Loose Precious Gemstones including ruby sapphire emerald and diamond

Ruby, Sapphire, Emerald and Diamond

These four precious gemstones each offer unique characteristics. Rubies are prized for their rich red color, sapphires come in a variety of hues with blue being the most famous, emeralds are known for their deep green tone, and diamonds are valued for brilliance and hardness.

Precious Stones for Jewelry

Precious gemstones are ideal for rings, earrings, pendants, and bracelets. Their durability makes them suitable for everyday wear, especially diamonds and sapphires, which rank high on the Mohs hardness scale.

Loose Precious Gems for Custom Designs

Buying loose precious gemstones allows for complete customization of jewelry. Choose your preferred size, shape, and quality to create a unique piece tailored to your design.

Certified and Genuine Gemstones

We provide detailed information on each gemstone, including origin, treatments, and specifications. Certification is available for many stones, offering additional assurance of authenticity.

Investment Value of Precious Gemstones

High-quality precious gemstones can retain or increase value over time. Factors such as color, clarity, size, and origin all play a role in determining long-term investment potential.

Precious Gemstone Shapes and Sizes

Our collection includes a wide range of cuts such as round, oval, cushion, and pear. Available in calibrated sizes and unique dimensions, these gemstones suit both standard and custom settings.

Learn more about gemstone quality, grading, and care on our Gemstone Information Page.

FAQs

What are the four precious gemstones?

The four traditionally recognized precious gemstones are diamond, ruby, sapphire, and emerald, valued for their rarity and durability.

Are all precious gemstones natural?

At GemSelect, all precious gemstones are natural. Any treatments such as heat or clarity enhancement are clearly disclosed for transparency.

Which precious gemstone is the most durable?

Diamond is the hardest gemstone with a Mohs hardness of 10, making it the most durable for everyday wear, followed by sapphire and ruby.

Can I buy loose precious gemstones?

Yes, we offer a wide selection of loose precious gemstones, allowing you to create custom jewelry designs tailored to your preferences.

Do precious gemstones have investment value?

High-quality precious gemstones can hold or increase in value over time, especially rare stones with excellent color, clarity, and origin.

What is the difference between precious and semi-precious gemstones?

Precious gemstones traditionally refer to diamond, ruby, sapphire, and emerald, while all other gemstones are classified as semi-precious, regardless of quality.

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

Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10

Posted By KT in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very neat and to the point

Posted By Botha in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

Posted By Sal in July, 2025
Source: Bizrate
Enlarged Gemstone Image