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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
Green Quartz
Multicolor Quartz
Orange Quartz
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Yellow Quartz
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14.89ct Yellow Quartz, Flower Cut, Transparent

16 x 16 mm (calibrated)

$ 32.63

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9.32ct Yellow Quartz, Fancy, VVS-VS

16.1 x 14 mm

$ 37.06

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41.57ct Yellow Quartz, Oval, VVS

25.2 x 21.1 mm

$ 112.95

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6.10ct Yellow Quartz, Round, Transparent

12 mm (calibrated)

$ 24.19

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11.22ctw Yellow Rutile Quartz, Round, Transparent

11 mm (calibrated)

$ 30.61

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31.29ct Yellow Quartz, Oval, VVS

22.6 x 19.5 mm

$ 85.02

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58.77ct Yellow Quartz, Oval, Transparent

33.4 x 23.1 mm

$ 48.78

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2.45ct Yellow Quartz, Flower Cut, Transparent

9.6 x 9.4 mm

$ 9.40

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4.05ct Yellow Rutile Quartz, Oval, Transparent

13 x 9 mm (calibrated)

$ 11.09

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12.77ct Yellow Quartz, Flower Cut, Transparent

17.6 x 13.8 mm

$ 48.97

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4.37ctw Yellow Quartz, Flower Cut, Transparent

7 x 7 mm (calibrated)

$ 16.77

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27.82ct Yellow Quartz, Cushion, VVS-VS

19 x 19 mm (calibrated)

$ 60.96

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6.60ct Yellow Quartz, Round, VVS

12 mm (calibrated)

$ 36.15

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3.58ct Yellow Rutile Quartz, Marquise, Transparent

14.3 x 7.2 mm

$ 9.65

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3.66ctw Yellow Quartz, Flower Cut, Transparent

7.1 x 6.5 mm

$ 14.04

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10.50ct Yellow Rutile Quartz, Sphere / Ball, Transparent

11 mm (calibrated)

$ 11.50

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3.55ct Yellow Quartz, Oval, Transparent

10.7 x 8.6 mm

$ 4.17

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11.54ct Yellow Quartz, Oval, Transparent

18.2 x 14.2 mm

$ 9.58

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7.04ctw Yellow Quartz, Round, VVS-VS

10 mm (calibrated)

$ 28.30

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6.26ctw Yellow Quartz, Flower Cut, Transparent

11 x 11 mm (calibrated)

$ 21.82

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5.03ctw Yellow Quartz, Flower Cut, Transparent

10 x 10 mm (calibrated)

$ 9.15

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17.67ct Yellow Quartz, Flower Cut, Transparent

23.2 x 17.1 mm

$ 58.08

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5.58ctw Yellow Quartz, Flower Cut, Transparent

8.6 x 8.4 mm

$ 21.40

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4.48ct Yellow Quartz, Flower Cut, Transparent

13 x 13 mm (calibrated)

$ 8.15

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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

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
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

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry 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

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate
Enlarged Gemstone Image