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6.21 ct Black Star Sapphire Gemstone, Star Sapphire Gem in Round Cabochon Shape for Sale.
Photos are of Actual Product for Sale
6.21 ct Black Star Sapphire Stone, Natural Star Sapphire in Round Cabochon Shape for Sale Star Sapphire Gemstone in 10 mm (calibrated) Size for Sale, Star Sapphire Stone in Black Color

6.21ct Natural Black Star Sapphire, Round, Opaque

9.2 out of 10
See Bizrate Ratings for GemSelect
Star Sapphire Product ID: 682727
Type: Star Sapphire
Star Sapphire Weight: 6.21 ct Star Sapphire 1 gem
Star Sapphire Size: 10 mm calibrated Star Sapphire
Star Sapphire Size: 10.1 mm Star Sapphire
Star Sapphire Exact Size: 10.13 x 5.25 mm
Diameter x Depth
Star Sapphire Shape: Round Cabochon Star Sapphire
Star Sapphire Color: Black Star Sapphire
Star Sapphire Clarity: Opaque Star Sapphire
Star Sapphire Treatment: Heated
Star Sapphire Origin: Thailand / Kanchanaburi Star Sapphire
Content: 1 pc
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$
149.04
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Product Description

This is a 6.21 carat natural black Star Sapphire gem, 1 pc in round shape with an exact size of 10.13 mm x 5.25 mm . This loose Star Sapphire gemstone was mined in Thailand and its clarity is Opaque. This natural Star Sapphire has been heated to enhance its vivid color.

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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 good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky in December, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate
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ICA Brief Report $ 62.00
Turnaround Time: 8-12 working days Details
Enlarged Gemstone Image