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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

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For Example: 6-7
For Example: 8-9
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Black
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12.51ct Yellow Quartz, Emerald Cut, VVS-VS

15 x 15 mm (calibrated)

$ 68.53

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7.61ctw Yellow Quartz, Flower Cut, Transparent

11 x 11 mm (calibrated)

$ 29.18

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5.61ct Yellow Quartz, Flower Cut, Transparent

14.4 x 10.7 mm

$ 18.43

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15.41ct Yellow Quartz, Oval, VS

20 x 15 mm (calibrated)

$ 33.76

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10.26ct Yellow Quartz, Fancy, VVS-VS

15 x 10 mm (calibrated)

$ 39.57

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54.69ct Yellow Quartz, Oval, Transparent

31.1 x 24.1 mm

$ 45.39

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7.48ct Yellow Quartz, Flower Cut, Transparent

13 x 13 mm (calibrated)

$ 40.98

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28.86ct Yellow Quartz, Cushion, VVS-VS

19 x 19 mm (calibrated)

$ 63.24

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25.35ct Yellow Quartz, Cushion, VVS-VS

19 x 19 mm (calibrated)

$ 55.54

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35.71ct Yellow Quartz, Oval, Transparent

22.8 x 18.5 mm

$ 46.95

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2.64ctw Yellow Quartz, Flower Cut, Transparent

8 x 8 mm (calibrated)

$ 8.67

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6.85ct Yellow Quartz, Flower Cut, Transparent

13 x 13 mm (calibrated)

$ 22.52

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15.16ct Yellow Quartz, Flower Cut, Transparent

23.3 x 15.1 mm

$ 49.83

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2.36ct Yellow Rutile Quartz, Pear Shape, Transparent

10 x 7 mm (calibrated)

$ 6.37

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8.27ct Yellow Rutile Quartz, Pear Shape, Transparent

17 x 12.8 mm

$ 22.47

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6.31ct Yellow Quartz, Flower Cut, Transparent

14.2 x 10.1 mm

$ 25.30

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9.33ct Yellow Quartz, Flower Cut, Transparent

14 x 14 mm (calibrated)

$ 30.67

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7.12ct Yellow Rutile Quartz, Round, Translucent

13 mm (calibrated)

$ 19.36

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2.50ctw Yellow Quartz, Flower Cut, Transparent

7.6 x 7.6 mm

$ 8.22

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12.77ct Yellow Quartz, Flower Cut, Transparent

15 x 15 mm (calibrated)

$ 48.97

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33.52ct Yellow Quartz, Oval, Transparent

21.4 x 17.8 mm

$ 45.91

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12.97ct Yellow Quartz, Flower Cut, Transparent

15.9 x 15.3 mm

$ 49.74

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26.81ct Yellow Quartz, Cushion, VVS-VS

19 x 19 mm (calibrated)

$ 58.75

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23.31ct Yellow Quartz, Oval, Transparent

21.6 x 18.5 mm

$ 19.35

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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 -> 10 star ratings

Very pleasant

Posted By Varun in June, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 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

I was able to find what I've been looking for.

Posted By Tree Dog in April, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Fast snd easy to find what I was looking for

Posted By Bawb in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
Source: Bizrate
Enlarged Gemstone Image