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Home Gemstones Star Sapphire
6.38 ct Black Star Sapphire Gemstone, Star Sapphire Gem in Round Cabochon Shape for Sale.
Photos are of Actual Products for Sale
6.38 ct Black Star Sapphire Stone, Natural Star Sapphire in Round Cabochon Shape for Sale Star Sapphire Gemstone in 5 mm (calibrated) Size for Sale, Star Sapphire Stone in Black Color

Ct Natural Black Star Sapphire, Round Cut, 5.04 mm

9.7 out of 10
See Bizrate Ratings for GemSelect
Product ID: 226639
Type: Star Sapphire
Weight: ct (total) 9 gems
avg. 6.38 ct
Size: 5 mm calibrated
Size: 5 mm
Exact Size: 5.04 x 2.41 mm
Diameter x Depth
Shape: Round Cabochon
Color: Black
Clarity: Opaque
Treatment: Untreated
Origin: Thailand
Content: 9 pcs
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$
44.66
Item is Sold
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Product Description

These are carat natural black Star Sapphire gems, 9 pcs in round shape with an exact size of 5.04 mm x 2.41 mm (avg.). These loose Star Sapphire gemstones were mined in Thailand and their clarity is Opaque. No treatment has been applied on these natural Star Sapphire stones

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GemSelect Certified Store Reviews

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Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great! Affordable

Posted By Spinellope in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use. No issues. Large selection of gems.

Posted By CLTCJH in February, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026
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
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Enlarged Gemstone Image