90,000+Happy Customers
20+Years
WorldwideShipping
Cart
Free Report Included
Worldwide Shipping
30 Day Returns
Help Center Shipping Payment and Checkout Returns Certificates Contact Us
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

Choose Size or Size Range
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
Faceted
Cabochons
Clear All

0.68ctw Pink Sapphire, Oval, VS

6 x 4 mm (calibrated)

$ 63.35

View Gem

0.51ct Yellow Sapphire, Pear Shape, VVS-VS

6 x 4 mm (calibrated)

$ 53.93

View Gem

0.80ctw White Rainbow Moonstone, Oval, Transparent

6 x 4 mm (calibrated)

$ 26.30

View Gem

2.55ctw Violet Amethyst, Oval, VVS-VS

6 x 4 mm (calibrated)

$ 13.98

View Gem

0.92ct Red Ruby, Emerald Cut, VS

6 x 4 mm (calibrated)

$ 82.47

View Gem

2.36ctw Violet Amethyst, Oval, VVS-VS

6 x 4 mm (calibrated)

$ 12.93

View Gem

0.67ct Orange Sapphire, Oval, VS

6 x 4 mm (calibrated)

$ 100.10

View Gem

0.57ct Green Peridot, Emerald Cut, VS

6 x 4 mm (calibrated)

$ 8.52

View Gem

3.70ctw Violet Amethyst, Oval, VVS-VS

6 x 4 mm (calibrated)

$ 20.27

View Gem

2.40ctw Multicolor Andalusite, Oval, VS

6 x 4 mm (calibrated)

$ 128.69

View Gem

3.41ctw Blue Topaz, Pear Shape, VS

6 x 4 mm (calibrated)

$ 23.90

View Gem

0.70ctw Purple Sapphire, Oval, VVS-VS

6 x 4 mm (calibrated)

$ 77.99

View Gem

0.43ct Pink Sapphire, Oval, VVS

6 x 4 mm (calibrated)

$ 42.83

View Gem

0.92ctw Blue Topaz, Oval, VS

6 x 4 mm (calibrated)

$ 7.33

View Gem

2.29ctw Violet Amethyst, Oval, VVS-VS

6 x 4 mm (calibrated)

$ 12.55

View Gem

0.90ctw Green Peridot, Pear Shape, VVS-VS

6 x 4 mm (calibrated)

$ 7.89

View Gem

2.15ctw Blue Tanzanite, Pear Shape, VS

6 x 4 mm (calibrated)

$ 103.74

View Gem

0.53ct Purple Sapphire, Emerald Cut, VS

6 x 4 mm (calibrated)

$ 68.68

View Gem

1.47ctw Orange Zircon, Oval, VVS

6 x 4 mm (calibrated)

$ 36.60

View Gem

0.88ctw White Rainbow Moonstone, Oval, Transparent

6 x 4 mm (calibrated)

$ 28.93

View Gem

1.76ctw Blue Tanzanite, Pear Shape, VS

6 x 4 mm (calibrated)

$ 84.34

View Gem

0.32ct Purple Sapphire, Oval, VVS

6 x 4 mm (calibrated)

$ 29.27

View Gem

2.23ctw Violet Amethyst, Oval, VVS-VS

6 x 4 mm (calibrated)

$ 12.22

View Gem

7.78ctw White Zircon, Oval, VVS-VS

6 x 4 mm (calibrated)

$ 46.36

View Gem

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

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 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

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
Enlarged Gemstone Image