X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

4.50 ct Black Onyx Gemstone, Onyx Gem in Heart Checkerboard Shape for Sale.
Photos are of Actual Product for Sale
4.50 ct Black Onyx Stone, Natural Onyx in Heart Checkerboard Shape for Sale Onyx Gemstone in 10.5 x 10.4 mm Size for Sale, Onyx Stone in Black Color

4.50ct Natural Black Onyx, Heart Shape, 10.5x10.4 mm

9.8 out of 10
See Bizrate Ratings for GemSelect
Onyx Product ID: 722396
Type: Onyx
Onyx Weight: 4.50 ct Onyx 1 gem
Onyx Size: mm calibrated Onyx
Onyx Size: 10.5 x 10.4 x 5.2 mm Onyx
Onyx Exact Size: 10.46 x 10.44 x 5.17 mm
Length x Width x Depth
Onyx Shape: Heart Checkerboard 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

$
5.40
Item in Stock
Certified Gemstones

RISK FREE

30 DAY RETURN MONEY BACK GUARANTEE

100%

FULLY GUARANTEED

Product Description

This is a 4.50 carat natural black Onyx gem, 1 pc in heart shape with an exact size of 10.46 x 10.44 x 5.17 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

Easy to use website

Posted By Mel in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 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