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Home Gemstones Star Sapphire
4.70 ct Black Star Sapphire Gemstone, Star Sapphire Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
4.70 ct Black Star Sapphire Stone, Natural Star Sapphire in Oval Cabochon Shape for Sale Star Sapphire Gemstone in 10.5 x 8.4 mm Size for Sale, Star Sapphire Stone in Black Color

4.70ct Natural Black Star Sapphire, Oval Cut, 10.5x8.4 mm

9.7 out of 10
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Product ID: 683539
Type: Star Sapphire
Weight: 4.70 ct 1 gem
Size: mm calibrated
Size: 10.5 x 8.4 x 4.5 mm
Exact Size: 10.48 x 8.41 x 4.47 mm
Length x Width x Depth
Shape: Oval Cabochon
Color: Black
Clarity: Opaque
Treatment: Heated
Origin: Thailand / Kanchanaburi
Content: 1 pc
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Product Description

This is a 4.70 carat natural black Star Sapphire gem, 1 pc in oval shape with an exact size of 10.48 x 8.41 x 4.47 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

I love the product and the details about each of them.

Posted By Love It! in July, 2025
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Overall Rating -> 10 star ratings

Always get a nice gemstone. Just like the picture. Never disappointed

Posted By Ron T in June, 2026
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Overall Rating -> 10 star ratings

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

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Easy, quick.

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Easy to use website

Posted By Mel in February, 2026
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Overall Rating -> 9 star ratings

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026
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