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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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74.99ct Multicolor Quartz With Marcasite, Fancy, Transparent

42.7 x 24.3 mm

$ 494.94

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73.44ct Multicolor Agate, Oval, Opaque

25.4 x 25 mm

$ 44.06

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112.60ct Medium-Dark Pink Rose Quartz, Oval, Transparent

35.6 x 25.4 mm

$ 297.26

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25.25ct Deep Purple Star Ruby, Oval, Opaque

17.9 x 14.8 mm

$ 333.30

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123.42ct Multicolor Obsidian, Oval, Opaque

65.1 x 33.1 mm

$ 162.91

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3000.00ct Green Malachite, Oval, Opaque

139.4 x 82.7 mm

$ 1,470.00

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11.46ct Medium Golden Brown Apatite, Oval, VS

16 x 12 mm (calibrated)

$ 627.34

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23.80ct Fire Orange Spessartite Garnet, Oval, SI

10 x 13.7 mm

$ 1,256.64

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70.51ct Swiss Blue Aquamarine, Pear Shape, Translucent

32.9 x 26.2 mm

$ 352.60

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26.46ct Light Blue Chalcedony, Pear Shape, Opaque

33.4 x 17.6 mm

$ 79.38

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76.69ct Medium Rose Pink Rose Quartz, Pear Shape, Transparent

34.6 x 24.6 mm

$ 202.46

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25.82ct Orangeish Brown Rutile Quartz, Marquise, Transparent

31.1 x 13.8 mm

$ 109.40

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23.73ct Black with Blue Sparkle Nuummite, Oval, Opaque

23.8 x 15.8 mm

$ 97.77

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54.13ct Light Pink Rose Quartz, Oval, Transparent/Translucent

25.8 x 22 mm

$ 92.89

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38.28ct Schorl Tourmaline, Emerald Cut, Opaque

27.8 x 14.3 mm

$ 191.40

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5.00ct Deep Cognac Diamond, Cushion, VS

9 x 9 mm (calibrated)

$ 11,088.00

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41.62ct Multicolor Jasper, Pear Shape, Opaque

38.2 x 33.5 mm

$ 54.94

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69.73ct Swiss Blue Topaz, Oval, IF

31.4 x 20.9 mm

$ 488.11

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29.21ct Light Purplish Blue Chalcedony, Cushion, Opaque

33.6 x 18.4 mm

$ 73.03

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20.55ct Multicolor Ammolite, Trillion, Opaque

30 x 22 mm (calibrated)

$ 217.01

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47.19ct Medium Gold Zircon, Round, VVS

19 mm (calibrated)

$ 8,305.00

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76.37ct Gold Star Sapphire, Oval, Opaque

24.6 x 22 mm

$ 756.06

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56.00ct Medium Dark-Purple Star Ruby, Oval, Opaque

20.6 x 19.1 mm

$ 739.20

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26.34ct Bluish White Rainbow Moonstone, Oval, Transparent

25.9 x 17 mm

$ 474.12

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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

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
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

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

Posted By SallyO in February, 2026
Source: Bizrate
Enlarged Gemstone Image