X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

6.88 ct Black Onyx Gemstone, Onyx Gem in Drilled Sphere Shape for Sale.
Photos are of Actual Product for Sale
6.88 ct Black Onyx Stone, Natural Onyx in Drilled Sphere Shape for Sale Onyx Gemstone in 10.1 mm Size for Sale, Onyx Stone in Black Color

6.88ct Natural Black Onyx, Sphere / Ball, 10.14 mm

9.8 out of 10
See Bizrate Ratings for GemSelect
Onyx Product ID: 361906
Type: Onyx
Onyx Weight: 6.88 ct Onyx 1 gem
Onyx Size: mm calibrated Onyx
Onyx Size: 10.1 mm Onyx
Onyx Exact Size: 10.14 mm
Diameter
Onyx Shape: Drilled Sphere Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Treatment: Dyed
Onyx Origin: India Onyx
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

$
3.44
Item is Sold
Certified Gemstones

RISK FREE

30 DAY RETURN MONEY BACK GUARANTEE

100%

FULLY GUARANTEED

Product Description

This is a 6.88 carat natural black Onyx gem, 1 pc in sphere / ball shape with an exact size of 10.14 mm . This loose Onyx gemstone was mined in India 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 -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
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 -> 10 star ratings

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

Posted By The homie edgar in December, 2025
Source: Bizrate
Download Identification Report PDF
Enlarged Gemstone Image