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3.91 ct Black Star Sapphire Gemstone, Star Sapphire Gem in Cushion Cabochon Shape for Sale.
Photos are of Actual Product for Sale
3.91 ct Black Star Sapphire Stone, Natural Star Sapphire in Cushion Cabochon Shape for Sale Star Sapphire Gemstone in 9.4 x 8.4 mm Size for Sale, Star Sapphire Stone in Black Color

3.91ct Natural Black Star Sapphire, Cushion Cut, 9.4x8.4 mm

9.7 out of 10
See Bizrate Ratings for GemSelect
Star Sapphire Product ID: 683214
Type: Star Sapphire
Star Sapphire Weight: 3.91 ct Star Sapphire 1 gem
Star Sapphire Size: mm calibrated Star Sapphire
Star Sapphire Size: 9.4 x 8.4 x 3.7 mm Star Sapphire
Star Sapphire Exact Size: 9.43 x 8.38 x 3.72 mm
Length x Width x Depth
Star Sapphire Shape: Cushion 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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$
84.46
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Product Description

This is a 3.91 carat natural black Star Sapphire gem, 1 pc in cushion shape with an exact size of 9.43 x 8.38 x 3.72 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

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
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
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy every moment

Posted By Ferns in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
Source: Bizrate
Download Identification Report PDF
BGL Brief Report $ 18.00
Turnaround Time: 3-4 working days Details
AIG Brief Report $ 35.00
Turnaround Time: 5-10 working days Details
ICA Brief Report $ 90.00
Turnaround Time: 8-12 working days Details
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