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Huge & Large Gemstones

Browse our selection of large gemstones and huge loose gems, perfect for statement jewelry pieces and collectors seeking impressive stones.

Huge Gemstones Weight
Huge Gemstones Size
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Lots
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18.09ct Yellowish Green Opal, Oval, Opaque

22.3 x 17.6 mm

$ 46.67

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26.24ct Multicolor Ammolite, Fancy, Opaque

32.1 x 16.2 mm

$ 346.37

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23.16ct Greyish White Howlite, Oval, Opaque

27 x 20 mm (calibrated)

$ 13.90

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3.09ct Light Blue Green Grandidierite, Oval, Translucent

9.8 x 8.8 mm

$ 203.94

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8.29ct Lemon Yellow Apatite, Emerald Cut, VS

12 x 12 mm (calibrated)

$ 514.31

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44.24ct Warm Brown Moonstone, Oval, Opaque

25 x 18 mm (calibrated)

$ 87.60

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18.75ct Warm Green Opal, Oval, Opaque

21.8 x 17.5 mm

$ 48.37

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97.31ct Maya Blue Aquamarine, Pear Shape, Translucent

37.1 x 30.5 mm

$ 583.86

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30.17ct Multicolor Jasper, Oval, Opaque

27.9 x 21.5 mm

$ 39.83

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12.66ct Pinkish Red Ruby, Oval, Translucent

16 x 12 mm (calibrated)

$ 401.06

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39.47ct Deep Violet Charoite, Baguette, Opaque

32.2 x 19.8 mm

$ 78.14

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47.66ct Multicolor Rhodochrosite, Sphere / Ball, Opaque

16.9 mm

$ 125.82

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57.64ct Medium-Dark Brown Jasper, Oval, Opaque

29.7 x 26.1 mm

$ 35.76

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3.37ct Green-Blue Grandidierite, Oval, SI-I1

11.6 x 8.8 mm

$ 177.94

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44.98ct Multicolor Jasper, Pear Shape, Opaque

44.3 x 24 mm

$ 59.38

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73.50ct Purplish Violet Amethyst, Oval, VVS-VS

28.1 x 24.3 mm

$ 607.91

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5.05ct Blue Green Grandidierite, Oval, Translucent

13 x 9 mm (calibrated)

$ 424.20

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22.31ct Multicolor Opal, Oval, Opaque

28.9 x 13.8 mm

$ 80.32

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22.93ct Multicolor Rainbow Pyrite, Fancy, Opaque

36.1 x 16.6 mm

$ 82.55

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46.40ct Pineapple Yellow Quartz, Oval, Transparent

26.8 x 21.2 mm

$ 46.40

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29.00ct Black Nuummite, Oval, Opaque

20.5 x 16.6 mm

$ 151.97

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20.15ct Multicolor Ammolite, Fancy, Opaque

21 x 20 mm

$ 241.80

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62.18ct Multicolor Jasper, Pear Shape, Opaque

42.5 x 34.3 mm

$ 50.89

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34.07ct Medium Violet Charoite, Oval, Opaque

30 x 22 mm (calibrated)

$ 67.46

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Why Buy Huge Gemstones from GemSelect?

Large Natural Gemstones

Our collection of large gemstones includes impressive natural stones sourced from trusted deposits around the world. These oversized gems showcase exceptional color, clarity, and presence, making them ideal for statement jewelry or gemstone collections.

Huge Gemstones for Statement Jewelry

Huge gemstones are perfect for bold jewelry designs that stand out. Whether you are creating a striking cocktail ring, pendant, or centerpiece piece, larger stones provide unmatched visual impact and brilliance.

Large loose gemstones for statement jewelry and collectors

Collector Size Gemstones

Large gemstones are highly desirable among collectors who appreciate rare sizes and impressive specimens. Oversized stones highlight the natural beauty of gems and often display stronger color zoning, clarity, and crystal structure.

Faceted Large Gemstones

Faceted large gemstones maximize brilliance and sparkle. Larger surfaces allow light to interact with more facets, producing exceptional fire and brilliance in stones such as sapphire, amethyst, citrine, garnet, and topaz.

Cabochon Large Gemstones

Cabochon cuts are popular for large gemstones because they emphasize color saturation and natural patterns. This style works especially well with gems like moonstone, labradorite, turquoise, and opal.

Rare Oversized Gemstones

Some gemstones become increasingly rare as size increases. Large sapphire, ruby, spinel, and tourmaline stones are particularly prized because high-quality rough capable of producing oversized gems is uncommon.

Buying Large Gemstones Online

GemSelect makes it easy to buy large gemstones online. Every stone is photographed individually and comes with detailed specifications including weight, size, clarity, and treatment information to help you choose with confidence.

Learn more about gemstone properties, treatments, and identification on our Gemstone Information Guide.

FAQs

What qualifies as a large gemstone?

Large gemstones are typically stones with higher carat weights than standard jewelry sizes. Depending on the gem type, stones above 5 to 10 carats are often considered large.

Are large gemstones more valuable?

In many cases, gemstone value increases with size, especially when the stone maintains good color, clarity, and cut quality. Large high-quality gems can be significantly rarer than smaller stones.

What gemstones are commonly available in large sizes?

Gemstones frequently found in larger sizes include amethyst, citrine, quartz, topaz, garnet, and some tourmalines. Gems like ruby and sapphire become much rarer as size increases.

Are large gemstones suitable for everyday jewelry?

Large gemstones are often used for statement jewelry such as cocktail rings, pendants, or collector pieces. Durability depends on the gem type and how the jewelry is worn.

Can I buy very large loose gemstones online safely?

Yes. Reputable sellers like GemSelect provide detailed images, full gemstone specifications, and transparent treatment disclosures so buyers can confidently purchase large loose gemstones online.

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 deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

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 have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?

Posted By Lynn in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was easy to use and there were a lot of good options, I was satisfied.

Posted By Brielly in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for a site with every type of gem I could want for setting in luxury blades and assumed I would need to look outside the US, but GemSelect made it easy to get everything I wanted without leaving the house! Wide enough selection that I do not feel the need to look elsewhere and pricing the same.

Posted By Razormane in April, 2025
Source: Bizrate
Enlarged Gemstone Image