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Home Gemstones Quartz

Natural Quartz Gemstones

Explore our wide selection of natural quartz gemstones in a variety of colors, cuts, and sizes for every jewelry project.

Quartz Weight
Quartz Size
Quartz Clarity
Quartz Price

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black
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Brown Quartz
Golden
Gray Quartz
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Multicolor Quartz
Orange Quartz
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Yellow Quartz
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4.15ct Yellow Rutile Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 11.19

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378.39ct Yellow Quartz, Fancy, Translucent

62.4 x 39.9 mm

$ 240.45

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35.25ctw Yellow Rutile Quartz, Sphere / Ball, Transparent

13 mm (calibrated)

$ 38.63

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3.04ct Yellow Quartz, Flower Cut, Transparent

9.7 x 9.5 mm

$ 9.99

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27.26ct Yellow Quartz, Cushion, VVS

19 x 19 mm (calibrated)

$ 59.73

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3.22ct Yellow Rutile Quartz, Oval, Transparent

11 x 9 mm (calibrated)

$ 8.67

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27.70ct Yellow Quartz, Oval, Transparent

21.1 x 15.3 mm

$ 22.99

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1.66ct Yellow Quartz, Flower Cut, Transparent

9.4 x 9.3 mm

$ 6.37

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9.12ct Yellow Quartz, Emerald Cut, VVS

14 x 14 mm (calibrated)

$ 36.77

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5.28ct Yellow Quartz, Flower Cut, Transparent

12 x 12 mm (calibrated)

$ 17.35

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2.61ct Yellow Quartz, Marquise, VVS

13.1 x 8 mm

$ 11.47

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2.51ct Yellow Quartz, Flower Cut, Transparent

10 x 10 mm (calibrated)

$ 9.63

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11.39ct Yellow Quartz, Emerald Cut, VVS-VS

13 x 13 mm (calibrated)

$ 62.40

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85.07ct Yellow Quartz, Oval, VVS

41.1 x 22.4 mm

$ 97.09

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16.85ctw Yellow Quartz, Flower Cut, Transparent

10 x 9.4 mm

$ 64.62

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8.76ct Yellow Rutile Quartz, Round, Transparent

14 mm (calibrated)

$ 23.80

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7.25ct Yellow Rutile Quartz, Round, Transparent

13 mm (calibrated)

$ 25.18

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42.25ct Yellow Quartz, Oval, Transparent

26.2 x 18.2 mm

$ 55.54

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8.48ct Yellow Quartz, Marquise, Transparent

20.1 x 9.9 mm

$ 32.52

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145.85ct Yellow Quartz, Oval, VVS

36.9 x 30.3 mm

$ 333.97

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10.36ct Yellow Quartz, Emerald Cut, VVS-VS

14 x 14 mm (calibrated)

$ 56.76

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2.44ctw Yellow Quartz, Flower Cut, Transparent

8 x 8 mm (calibrated)

$ 8.02

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26.64ct Yellow Quartz, Cushion, VVS-VS

19 x 19 mm (calibrated)

$ 58.37

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9.71ct Yellow Quartz, Flower Cut, Transparent

16.8 x 16.7 mm

$ 21.27

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Why Buy Quartz from GemSelect?

Natural Quartz Stones

Our natural quartz gemstones are carefully selected for clarity, color and overall quality. From transparent rock crystal to richly colored varieties, quartz offers exceptional versatility for jewelry and collecting.

Buy Quartz Gemstones Online

Browse loose quartz gemstones with detailed photos, specifications and easy filtering options. Enjoy secure checkout and reliable worldwide shipping when you shop online with GemSelect.

Loose Quartz Gemstones for Jewelry and Collectors

Popular Quartz Varieties

Quartz includes well-known varieties such as amethyst, citrine, smoky quartz, rose quartz and lemon quartz. Each offers unique color characteristics while sharing excellent durability for everyday jewelry use.

Faceted Quartz for Fine Jewelry

Faceted quartz gemstones provide brilliance and sparkle at an affordable price. Available in shapes such as round, oval, cushion and pear, they are ideal for rings, pendants and earrings.

Quartz Cabochons

Quartz cabochons feature smooth, polished surfaces that highlight color and internal features. They are especially popular for statement rings, artisan jewelry and custom designs.

Calibrated Quartz Sizes

Choose calibrated quartz stones in standard sizes such as 6 mm rounds or 8 x 6 mm ovals. These precision-cut gems fit common jewelry mountings and simplify production.

Wholesale Quartz Gemstones

We offer competitive pricing on single stones and bulk quartz purchases. Ideal for jewelers, designers and resellers looking for consistent quality and reliable supply.

Quartz Durability and Care

With a Mohs hardness of 7, quartz gemstones are suitable for most jewelry types. Clean with mild soap and water, and store separately to prevent scratches.

Learn more about the properties, history and varieties of quartz on our Quartz Information Page.

FAQs

Are your quartz gemstones natural?

Yes, all our quartz gemstones are natural. Any treatments, such as heating for certain varieties, are fully disclosed on each product page.

Is quartz suitable for everyday wear?

Quartz has a hardness of 7 on the Mohs scale, making it durable enough for most jewelry, including rings, earrings and pendants.

What colors are available in quartz gemstones?

Quartz occurs in many colors including purple (amethyst), yellow (citrine), pink (rose quartz), brown (smoky quartz) and colorless rock crystal.

Do you offer calibrated quartz stones?

Yes, we stock calibrated quartz gemstones in standard sizes that fit popular commercial jewelry settings.

Can I buy quartz gemstones in bulk?

We offer wholesale quartz options for designers and retailers, with competitive pricing on larger quantity orders.

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

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026
Source: Bizrate

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
Source: Bizrate

Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
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

good navigation and simple interface.

Posted By Dave in April, 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
Enlarged Gemstone Image