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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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Yellow Quartz
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5.18ct Yellow Rutile Quartz, Round, Transparent

11 mm (calibrated)

$ 14.13

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6.23ct Yellow Quartz, Round, VVS

12 mm (calibrated)

$ 27.37

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7.77ct Yellow Quartz, Emerald Cut, VVS

12.6 x 12.5 mm

$ 42.57

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5.47ct Yellow Quartz, Round, VVS

12 mm (calibrated)

$ 29.97

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55.06ct Yellow Quartz, Pear Shape, VVS-VS

35.9 x 22.2 mm

$ 120.65

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9.81ct Yellow Quartz, Fancy, VVS

16.2 x 13.9 mm

$ 38.90

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37.92ct Yellow Quartz, Oval, Transparent

25 x 18 mm (calibrated)

$ 49.85

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1.53ct Yellow Quartz, Flower Cut, Transparent

9 x 9 mm (calibrated)

$ 4.88

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117.35ct Yellow Quartz, Oval, VVS

32.8 x 27 mm

$ 273.86

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5.45ctw Yellow Quartz, Marquise, VVS

13.2 x 8.1 mm

$ 23.95

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6.36ct Yellow Quartz, Flower Cut, Transparent

12 x 12 mm (calibrated)

$ 20.91

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12.97ct Yellow Quartz, Flower Cut, Transparent

15.9 x 15.3 mm

$ 49.74

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48.88ct Yellow Quartz, Pear Shape, VVS-VS

35.8 x 22.2 mm

$ 107.11

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3.68ctw Yellow Quartz, Flower Cut, Transparent

11.1 x 10.5 mm

$ 14.11

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7.59ctw Yellow Quartz, Trillion, VVS-VS

12 x 12 mm (calibrated)

$ 30.19

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4.26ct Yellow Quartz, Flower Cut, Transparent

11 x 11 mm (calibrated)

$ 14.00

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21.76ct Yellow Quartz, Oval, VVS

18.2 x 14.5 mm

$ 35.05

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7.97ct Yellow Rutile Quartz, Pear Shape, Transparent

16 x 12 mm (calibrated)

$ 21.66

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50.56ct Yellow Quartz, Oval, Transparent

27 x 20 mm (calibrated)

$ 66.47

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4.89ct Yellow Rutile Quartz, Round, Transparent

11 mm (calibrated)

$ 13.35

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20.69ctw Yellow Quartz, Fancy, Transparent

15 x 15 mm (calibrated)

$ 79.34

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8.35ct Yellow Quartz, Cushion, VS

13 x 13 mm (calibrated)

$ 32.20

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9.34ct Yellow Rutile Quartz, Round, Transparent

15 mm (calibrated)

$ 25.38

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10.19ctw Yellow Quartz, Flower Cut, Transparent

12 x 12 mm (calibrated)

$ 39.08

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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

I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My current project is something BLUE . Opal earrings with matching tennis bracelet for her wedding. The opals and sixty two sapphires VVS & VS are AMAZINGLY BEAUTIFUL. The private jewelers were impressed by the clarity and inclusion free of the sapphires . I want to say thank you for the High quality sapphires that I purchased for my daughtera's wedding.

Posted By My real name Dean or Wandering about in May, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

Posted By Meyeusername in March, 2026
Source: Bizrate

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

Overall Rating -> 9 star ratings

It was fine . Wish there had been more round stones to select from

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