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Home Gemstones Star Sapphire
4.27 ctw Blue Star Sapphire Gemstones, Star Sapphire Gems in Oval Cabochon Shape for Sale.
Photos are of Actual Products for Sale
4.27 ctw Blue Star Sapphire Stones, Natural Star Sapphire in Oval Cabochon Shape for Sale Star Sapphire Gemstones in 7 x 5 mm (calibrated) Size for Sale, Star Sapphire Stones in Deep Blue Color

4.27ct Natural Blue Star Sapphire, Oval Cut, 7x5.2 mm

9.7 out of 10
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Product ID: 490230
Type: Star Sapphire
Weight: 4.27 ct (total) 4 gems
avg. 1.07 ct
Size: 7 x 5 mm calibrated
Size: 7 x 5.2 x 2.8 mm
Exact Size: 7.02 x 5.16 x 2.77 mm
Length x Width x Depth
Shape: Oval Cabochon
Color: Deep Blue
Clarity: Opaque
Treatment: Diffused
Origin: Thailand
Content: 4 pcs
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Product Description

These are 4.27 carat natural deep blue Star Sapphire gems, 4 pcs in oval shape with an exact size of 7.02 x 5.16 x 2.77 mm. These loose Star Sapphire gemstones were mined in Thailand and their clarity is Opaque.

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GemSelect Certified Store Reviews

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Overall Rating -> 10 star ratings

Good, hope gem quality is good and genuine

Posted By Varun in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

Posted By Orphanboy in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
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
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Enlarged Gemstone Image