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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
Bi-color
Black
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Brown Quartz
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12.47ct Yellow Quartz, Flower Cut, Transparent

16 x 16 mm (calibrated)

$ 47.82

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11.59ct Brown Smoky Quartz, Emerald Cut, VVS

15 x 15 mm (calibrated)

$ 46.73

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100.70ct Yellow Quartz, Oval, VVS

34.9 x 21.5 mm

$ 242.72

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13.59ct Brown Smoky Quartz, Emerald Cut, VVS

16 x 16 mm (calibrated)

$ 37.23

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5.13ct Brown Smoky Quartz, Round, VS

12 mm (calibrated)

$ 20.68

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9.91ctw White Quartz Cat'S Eye, Round, Transparent

10 mm (calibrated)

$ 35.29

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64.06ctw Yellow Quartz, Flower Cut, Transparent

20.7 x 20.6 mm

$ 245.65

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13.38ct Yellow Quartz, Flower Cut, Transparent

15 x 15 mm (calibrated)

$ 61.08

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54.13ct Pink Rose Quartz, Oval, Transparent/Translucent

25.8 x 22 mm

$ 77.10

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9.76ct Brown Smoky Quartz, Marquise, VS

18.9 x 13 mm

$ 26.73

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13.90ctw Brown Smoky Quartz, Oval, VVS

14 x 12 mm (calibrated)

$ 53.03

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11.13ct Yellow Rutile Quartz, Oval, Transparent

21.8 x 12 mm

$ 39.14

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17.32ct Brown Smoky Quartz, Fancy, Transparent

33.2 x 18.6 mm

$ 28.47

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12.80ct Pink Rose Quartz, Emerald Cut, Transparent

14 x 14 mm (calibrated)

$ 58.43

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7.22ct Brown Smoky Quartz, Marquise, VS

17.1 x 12 mm

$ 29.12

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19.54ct Yellow Quartz, Fancy, Transparent

20 x 15 mm (calibrated)

$ 74.93

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15.19ct Yellow Quartz, Fancy, VS

16 x 16 mm (calibrated)

$ 58.58

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14.88ct Yellow Quartz, Emerald Cut, VVS

16 x 16 mm (calibrated)

$ 54.48

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15.78ctw Yellow Quartz, Flower Cut, Transparent

12 x 12 mm (calibrated)

$ 60.51

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12.91ct Brown Smoky Quartz, Emerald Cut, VVS

16 x 16 mm (calibrated)

$ 29.47

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15.85ctw Yellow Quartz, Flower Cut, Transparent

9 x 9 mm (calibrated)

$ 86.83

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8.20ct Pink Rose Quartz, Emerald Cut, Transparent

12 x 12 mm (calibrated)

$ 44.92

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12.75ct Yellow Quartz, Round, Transparent

16 mm (calibrated)

$ 51.14

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7.30ct Yellow Rutile Quartz, Pear Shape, Transparent

15.1 x 11.1 mm

$ 19.83

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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

Filters need to be improved but rest of website is great

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It was easy to navigate

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Very pleasant

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Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
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Overall Rating -> 9 star ratings

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026
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Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate
Enlarged Gemstone Image