X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

4.85 ct Black Onyx Gemstone, Onyx Gem in Cushion Cabochon Shape for Sale.
Photos are of Actual Product for Sale
4.85 ct Black Onyx Stone, Natural Onyx in Cushion Cabochon Shape for Sale Onyx Gemstone in 11 x 11 mm (calibrated) Size for Sale, Onyx Stone in Black Color

4.85ct Natural Black Onyx, Cushion Cut, 11x10.9 mm

9.7 out of 10
See Bizrate Ratings for GemSelect
Onyx Product ID: 671953
Type: Onyx
Onyx Weight: 4.85 ct Onyx 1 gem
Onyx Size: 11 x 11 mm calibrated Onyx
Onyx Size: 11 x 10.9 x 5 mm Onyx
Onyx Exact Size: 10.98 x 10.91 x 5.03 mm
Length x Width x Depth
Onyx Shape: Cushion Cabochon Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Treatment: Dyed
Onyx Origin: Sri Lanka 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

$
11.64
Quantity
5 pieces available
Item in Stock
Certified Gemstones

RISK FREE

30 DAY RETURN MONEY BACK GUARANTEE

100%

FULLY GUARANTEED

Product Description

This is a 4.85 carat natural black Onyx gem, 1 pc in cushion shape with an exact size of 10.98 x 10.91 x 5.03 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 -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 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
ICA Brief Report $ 90.00
Turnaround Time: 8-12 working days Details
Enlarged Gemstone Image