X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

4.93 ctw Black Onyx Gemstones, Onyx Gems in Round Cabochon Shape for Sale.
Photos are of Actual Products for Sale
4.93 ctw Black Onyx Stones, Natural Onyx in Round Cabochon Shape for Sale Onyx Gemstones in 3.5 mm (calibrated) Size for Sale, Onyx Stones in Black Color

0.16ct Natural Black Onyx, Round Cut, Opaque

9.7 out of 10
See Bizrate Ratings for GemSelect
Onyx Product ID: 684427
Type: Onyx
Onyx Weight:
avg. 0.16 ct
Onyx Size: 3.5 mm calibrated Onyx
Onyx Size: 3.4 mm Onyx
Onyx Exact Size: 3.42 x 1.54 mm
Diameter x Depth
Onyx Shape: Round Cabochon Onyx
Onyx Color: Black Onyx
Onyx Clarity: Opaque Onyx
Onyx Treatment: Dyed
Onyx Origin: Sri Lanka Onyx
Content:
30 pcs available
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

$
0.49
Item in Stock
Certified Gemstones

RISK FREE

30 DAY RETURN MONEY BACK GUARANTEE

100%

FULLY GUARANTEED

Product Description

This is a 0.16 carat natural black Onyx gem, 30 pc in round shape with an exact size of 3.42 mm x 1.54 mm (avg.). 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 -> 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 was able to find what I wanted very easily!

Posted By Lenny in January, 2026
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

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 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