X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

33.59 ct Black Onyx Gemstone, Onyx Gem in Cushion Rose-Cut Shape for Sale.
Photos are of Actual Product for Sale
33.59 ct Black Onyx Stone, Natural Onyx in Cushion Rose-Cut Shape for Sale Onyx Gemstone in 26.8 x 17.7 mm Size for Sale, Onyx Stone in Black Color
Gemstone Certificate Below

This Gemstone is certified
The Price above includes the certificate below!

Gem Report

33.59ct Natural Black Onyx, Cushion Cut, 26.8x17.7 mm

9.6 out of 10
See Bizrate Ratings for GemSelect
Product ID: 669288
Type: Onyx
Weight: 33.59 ct 1 gem
Size: mm calibrated
Size: 26.8 x 17.7 x 7.4 mm
Exact Size: 26.78 x 17.70 x 7.38 mm
Length x Width x Depth
Shape: Cushion Rose-Cut
Color: Black
Clarity: Opaque
Treatment: Dyed
Origin: Sri Lanka
Content: 1 pc
Certificate Options

Checking all Boxes

  • Natural certified gemstones

    Gemstone Laboratories
  • Accept Credit, Debit Card and PayPal

    Payment Options
  • Worldwide shipping

    Shipping Options
  • 30-day risk free return policy

$
40.31
Item is Sold
Certified Gemstones

RISK FREE

30 DAY RETURN MONEY BACK GUARANTEE

100%

FULLY GUARANTEED

Product Description

This is a 33.59 carat natural black Onyx gem, 1 pc in cushion shape with an exact size of 26.78 x 17.70 x 7.38 mm. This loose Onyx gemstone was mined in Sri Lanka and its clarity is Opaque.

Policies

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 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

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate
Download Identification Report PDF
Enlarged Gemstone Image