90,000+Happy Customers
20+Years
WorldwideShipping
Cart
Free Report Included
Worldwide Shipping
30 Day Returns
Help Center Shipping Payment and Checkout Returns Certificates Contact Us
Home Gemstones Black Opal
0.77 ct Multicolor Black Opal Gemstone, Black Opal Gem in Octagon Step Cut Shape for Sale.
Photos are of Actual Product for Sale
0.77 ct Multicolor Black Opal Stone, Natural Black Opal in Octagon Step Cut Shape for Sale Black Opal Gemstone in 8.2 x 6.4 mm Size for Sale, Black Opal Stone in Multicolor Color

0.77ct Multicolor Black Opal, Emerald Cut, 8.2x6.4 mm

9.7 out of 10
See Bizrate Ratings for GemSelect
Product ID: 746717
Type: Black Opal
Weight: 0.77 ct 1 gem
Size: mm calibrated
Size: 8.2 x 6.4 x 2.9 mm
Exact Size: 8.19 x 6.35 x 2.93 mm
Length x Width x Depth
Shape: Octagon Step Cut
Color: Multicolor
Clarity: Opaque
Treatment: Smoked
Origin: Ethiopia
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

$
19.75
Item in Stock
Certified Gemstones

RISK FREE

30 DAY RETURN MONEY BACK GUARANTEE

100%

FULLY GUARANTEED

Product Description

This is a 0.77 carat natural multicolor Black Opal gem, 1 pc in octagon / emerald cut shape with an exact size of 8.19 x 6.35 x 2.93 mm. This loose Black Opal gemstone was mined in Ethiopia 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 great!

Posted By Annie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

It was fine

Posted By Na in April, 2026
Source: Bizrate

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 -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026
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