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20.93 ct Black Star Sapphire Gemstone, Star Sapphire Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
20.93 ct Black Star Sapphire Stone, Natural Star Sapphire in Oval Cabochon Shape for Sale Star Sapphire Gemstone in 16 x 12.7 mm Size for Sale, Star Sapphire Stone in Black Color

20.93ct Natural Black Star Sapphire, Oval Cut, 16x12.7 mm

9.7 out of 10
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Product ID: 684801
Type: Star Sapphire
Weight: 20.93 ct 1 gem
Size: mm calibrated
Size: 16 x 12.7 x 9.4 mm
Exact Size: 15.96 x 12.69 x 9.38 mm
Length x Width x Depth
Shape: Oval Cabochon
Color: Black
Clarity: Opaque
Treatment: Heated
Origin: Thailand
Content: 1 pc
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$
272.09
Item is Sold
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Product Description

This is a 20.93 carat natural black Star Sapphire gem, 1 pc in oval shape with an exact size of 15.96 x 12.69 x 9.38 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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Overall Rating -> 10 star ratings

Easy process.

Posted By Crafty Seabee in March, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
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Overall Rating -> 10 star ratings

overall great

Posted By SR in April, 2026
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Posted By ToRa.62 in April, 2026
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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
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Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
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