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21.81 ct Red Ruby Gemstone, Ruby Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
21.81 ct Red Ruby Stone, Natural Ruby in Oval Cabochon Shape for Sale Ruby Gemstone in 18.3 x 15.9 mm Size for Sale, Ruby Stone in Deep Red Color

21.81ct Natural Deep Red Ruby, Oval Cut, 18.3x15.9 mm

9.8 out of 10
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Ruby Product ID: 623822
Type: Ruby
Ruby Weight: 21.81 ct Ruby 1 gem
Ruby Size: mm calibrated Ruby
Ruby Size: 18.3 x 15.9 x 6.8 mm Ruby
Ruby Exact Size: 18.25 x 15.86 x 6.77 mm
Length x Width x Depth
Ruby Shape: Oval Cabochon Ruby
Ruby Color: Deep Red Ruby
Ruby Clarity: Translucent Ruby
Ruby Treatment: Fracture Filled
Ruby Origin: Madagascar Ruby
Content: 1 pc
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  • Natural certified gemstones

    Gemstone Laboratories
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  • 30-day risk free return policy

$
628.13
Item in Stock
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Product Description

This is a 21.81 carat natural deep red Ruby gem, 1 pc in oval shape with an exact size of 18.25 x 15.86 x 6.77 mm. This loose Ruby gemstone was mined in Madagascar and its clarity is Translucent.

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GemSelect Certified Store Reviews

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Overall Rating -> 10 star ratings

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.

Posted By RJ in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
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
Enlarged Gemstone Image