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Home Gemstones Star Diopside
12.53 ctw Black Star Diopside Gemstones, Star Diopside Gems in Oval Cabochon Shape for Sale.
Photos are of Actual Products for Sale
12.53 ctw Black Star Diopside Stones, Natural Star Diopside in Oval Cabochon Shape for Sale Star Diopside Gemstones in 11 x 9 mm (calibrated) Size for Sale, Star Diopside Stones in Black Color

12.53ct Natural Black Star Diopside, Oval Cut, 10.9x8.9 mm

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Product ID: 734980
Type: Star Diopside
Weight: 12.53 ct (total) 2 gems
avg. 6.27 ct
Size: 11 x 9 mm calibrated
Size: 10.9 x 8.9 x 6.5 mm
Exact Size: 10.94 x 8.90 x 6.50 mm
Length x Width x Depth
Shape: Oval Cabochon
Color: Black
Clarity: Opaque
Treatment: Untreated
Origin: India
Content: 2 pcs
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Product Description

These are 12.53 carat natural black Star Diopside gems, 2 pcs in oval shape with an exact size of 10.94 x 8.90 x 6.50 mm. These loose Star Diopside gemstones were mined in India and their clarity is Opaque. No treatment has been applied on these natural Star Diopside stones

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Overall Rating -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
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Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
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Overall Rating -> 10 star ratings

Very good

Posted By Niska in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Although the stones are smaller than I thought, I really don't think in millimeters, they are perfect. I plan to put one into a ring and the other into a necklace. Ordering was easy, contact kept me aware of how shipping was going, and delivery was sooner than expected. The quality of stones I have ordered in the past and this recent order is outstanding and stones I will be proud to wear.

Posted By Ktreva52 in June, 2026
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Overall Rating -> 8 star ratings

Site worked well and helped me find a rock that matched what I was looking for. Well within budget and I trust it will show up, so that's definitely positive. Not much else to it. Satisfied.

Posted By Big Ricky in May, 2026
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Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
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