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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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6.35ct Yellow Quartz, Trillion, Transparent

12.9 x 12.5 mm

$ 20.87

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13.76ct Yellow Quartz, Flower Cut, Transparent

17 x 16.2 mm

$ 45.23

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75.53ct Yellow Quartz, Oval, IF

26.9 x 23.4 mm

$ 96.82

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62.08ct Yellow Quartz, Cushion, IF

26.2 x 21.9 mm

$ 79.57

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4.90ct Yellow Quartz, Round, VVS

12 mm (calibrated)

$ 19.75

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123.60ct Yellow Quartz, Oval, VVS-VS

37.1 x 27.2 mm

$ 270.83

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12.85ct Yellow Quartz, Round, Transparent

16 mm (calibrated)

$ 51.53

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13.86ct Yellow Rutile Quartz, Pear Shape, Transparent

21.7 x 15.2 mm

$ 48.75

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6.21ct Yellow Quartz, Trillion, Transparent

13 x 13 mm (calibrated)

$ 17.01

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17.24ct Yellow Quartz, Round, VS

17 mm (calibrated)

$ 66.48

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12.44ct Yellow Quartz, Round, Transparent

16 mm (calibrated)

$ 49.88

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9.06ct Yellow Quartz, Trillion, Transparent

16 x 16 mm (calibrated)

$ 49.63

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18.68ct Yellow Quartz, Flower Cut, Transparent

17.3 x 15.9 mm

$ 71.63

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61.96ct Yellow Quartz, Oval, VVS

30.7 x 23.8 mm

$ 168.36

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8.86ct Yellow Quartz, Flower Cut, Transparent

14 x 14 mm (calibrated)

$ 48.54

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12.86ct Yellow Quartz, Round, Transparent

16 mm (calibrated)

$ 51.58

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20.18ct Yellow Rutile Quartz, Pear Shape, Transparent

23.7 x 14 mm

$ 55.28

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15.13ctw Yellow Quartz, Flower Cut, Transparent

12 x 12 mm (calibrated)

$ 58.03

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94.11ct Yellow Quartz, Oval, VVS

32.4 x 26.4 mm

$ 213.43

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14.80ct Yellow Quartz, Emerald Cut, VVS-VS

15 x 15 mm (calibrated)

$ 81.07

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14.36ct Yellow Quartz, Emerald Cut, VVS

16 x 16 mm (calibrated)

$ 63.09

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12.31ct Yellow Quartz, Emerald Cut, VVS

16 x 16 mm (calibrated)

$ 54.08

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14.06ct Yellow Quartz, Emerald Cut, VVS

16 x 16 mm (calibrated)

$ 61.77

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12.53ct Yellow Quartz, Round, Transparent

16 mm (calibrated)

$ 50.25

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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

Excellent options

Posted By CJ in February, 2026
Source: Bizrate

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

good navigation and simple interface.

Posted By Dave in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
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

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate
Enlarged Gemstone Image