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Home Gemstones 6x4 mm Gemstones

6x4 mm Gemstones: Sapphire, Ruby, Emerald and More, Oval, Round, Cushion and Pear Cut Gems

6x4 mm Gemstones Weight
6x4 mm Gemstones Size
6x4 mm Gemstones Clarity
6x4 mm Gemstones Price
6x4 mm Gemstones Treatment

Size Explained

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For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue 6x4 mm Gemstones
Brown 6x4 mm Gemstones
Golden
Gray 6x4 mm Gemstones
Green 6x4 mm Gemstones
Multicolor 6x4 mm Gemstones
Orange 6x4 mm Gemstones
Pink 6x4 mm Gemstones
Purple 6x4 mm Gemstones
Red 6x4 mm Gemstones
Turquoise
Violet 6x4 mm Gemstones
White 6x4 mm Gemstones
Yellow 6x4 mm Gemstones
Single
Pairs
Lots
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0.54ct Blue Topaz, Oval, VVS-VS

6 x 4 mm (calibrated)

$ 4.30

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0.58ct Violet Sapphire, Oval, VS

6 x 4 mm (calibrated)

$ 82.61

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0.58ct Violet Amethyst, Emerald Cut, VS

6 x 4 mm (calibrated)

$ 3.37

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0.58ct Blue Topaz, Oval, VS

6 x 4 mm (calibrated)

$ 4.62

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2.51ctw Violet Amethyst, Oval, VVS-VS

6 x 4 mm (calibrated)

$ 13.75

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2.09ctw Blue Tanzanite, Pear Shape, VS

6 x 4 mm (calibrated)

$ 100.75

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1.80ctw White Zircon, Oval, VVS

6 x 4 mm (calibrated)

$ 10.81

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0.45ct Purple Sapphire, Oval, VVS-VS

6 x 4 mm (calibrated)

$ 44.82

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0.78ctw Pink Sapphire, Oval, VS

6 x 4 mm (calibrated)

$ 87.21

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0.43ct Orange Sapphire, Pear Shape, VS

6 x 4 mm (calibrated)

$ 43.52

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2.28ctw Blue Tanzanite, Pear Shape, VS

6 x 4 mm (calibrated)

$ 110.01

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0.50ct Blue Topaz, Oval, VVS

6 x 4 mm (calibrated)

$ 3.98

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2.19ctw Multicolor Andalusite, Oval, VS

6 x 4 mm (calibrated)

$ 99.97

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0.77ctw Green Peridot, Pear Shape, VVS-VS

6 x 4 mm (calibrated)

$ 6.76

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0.51ct Orange Sapphire, Oval, VVS-VS

6 x 4 mm (calibrated)

$ 76.19

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0.90ctw Yellow Sapphire, Pear Shape, VS

6 x 4 mm (calibrated)

$ 71.71

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3.96ctw Violet Amethyst, Oval, VVS-VS

6 x 4 mm (calibrated)

$ 18.08

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3.24ctw Blue Topaz, Pear Shape, VS

6 x 4 mm (calibrated)

$ 24.85

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2.44ctw Red Pyrope Garnet, Emerald Cut, VVS-VS

6 x 4 mm (calibrated)

$ 18.72

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0.72ct Green Peridot, Oval, VVS-VS

6 x 4 mm (calibrated)

$ 12.91

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2.56ctw Blue Tanzanite, Oval, VS

6 x 4 mm (calibrated)

$ 210.36

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0.65ct Blue Topaz, Oval, VS

6 x 4 mm (calibrated)

$ 5.18

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0.55ct Green Peridot, Oval, VVS-VS

6 x 4 mm (calibrated)

$ 9.86

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1.74ctw White Zircon, Oval, VVS

6 x 4 mm (calibrated)

$ 10.60

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Why Buy 6x4 Mm Gemstones from GemSelect?

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 needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
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

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate
Enlarged Gemstone Image