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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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7.35ct Yellow Quartz, Emerald Cut, VVS-VS

12.7 x 12.4 mm

$ 40.27

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32.26ct Yellow Quartz, Oval, Transparent

23.9 x 18.4 mm

$ 42.41

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1.26ctw Yellow Quartz, Marquise, VS

9.1 x 4.5 mm

$ 6.91

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26.39ct Yellow Quartz, Flower Cut, Transparent

27 x 20 mm (calibrated)

$ 86.74

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11.71ct Yellow Quartz, Flower Cut, Transparent

16 x 16 mm (calibrated)

$ 25.66

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41.13ct Yellow Quartz, Oval, VVS

25 x 18 mm (calibrated)

$ 47.32

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14.86ct Yellow Quartz, Oval, Transparent

19 x 14.3 mm

$ 56.98

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7.25ct Yellow Rutile Quartz, Pear Shape, Translucent

15.1 x 11 mm

$ 19.70

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5.24ctw Yellow Quartz, Flower Cut, Transparent

8 x 8 mm (calibrated)

$ 17.22

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14.83ctw Yellow Quartz, Fancy, Transparent

14.1 x 10 mm

$ 56.87

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4.40ctw Yellow Quartz, Flower Cut, Transparent

10 x 10 mm (calibrated)

$ 14.46

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2.84ct Yellow Quartz, Marquise, VVS

13 x 8.1 mm

$ 12.48

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8.42ct Yellow Rutile Quartz, Pear Shape, Transparent

18 x 13 mm (calibrated)

$ 22.87

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9.90ct Yellow Quartz, Emerald Cut, VVS

16 x 12 mm (calibrated)

$ 39.38

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2.05ct Yellow Rutile Quartz, Pear Shape, Transparent

10 x 7 mm (calibrated)

$ 5.02

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117.35ct Yellow Quartz, Oval, VVS

32.8 x 27 mm

$ 273.86

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13.37ct Yellow Quartz, Emerald Cut, VVS

14 x 14 mm (calibrated)

$ 73.25

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7.69ct Yellow Quartz, Fancy, VVS

14.9 x 12.9 mm

$ 30.58

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12.51ct Yellow Quartz, Flower Cut, Transparent

23.4 x 14.2 mm

$ 41.12

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30.11ct Yellow Quartz, Oval, Transparent

26.8 x 21.1 mm

$ 32.98

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17.33ct Yellow Quartz, Emerald Cut, VS

15 x 15 mm (calibrated)

$ 94.94

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28.01ct Yellow Quartz, Cushion, VVS-VS

19 x 19 mm (calibrated)

$ 61.37

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20.16ctw Yellow Quartz, Flower Cut, Transparent

10 x 10 mm (calibrated)

$ 110.44

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2.02ct Yellow Quartz, Flower Cut, Transparent

9.4 x 9.3 mm

$ 7.75

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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

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 -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased 4 gemstones in different sizes to be able to make a family ring for my granddaughter. I got exactly what I saw and they are absolutely beautiful! Shipping was quick compared to other gem stores I have dealt with! I will definitely order more stones from your company, as I am a collector and have several stones. You are my new go to company in the future

Posted By Liz in June, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use. No issues. Large selection of gems.

Posted By CLTCJH in February, 2026
Source: Bizrate

Overall Rating -> 7 star ratings

Easy, quick.

Posted By Mich in June, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!

Posted By SallyO in February, 2026
Source: Bizrate
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