X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

23.45 ct Multicolor Boulder Opal Gemstone, Boulder Opal Gem in Fancy Cabochon Shape for Sale.
Photos are of Actual Product for Sale
23.45 ct Multicolor Boulder Opal Stone, Natural Boulder Opal in Fancy Cabochon Shape for Sale Boulder Opal Gemstone in 21.7 x 17.9 mm Size for Sale, Boulder Opal Stone in Multicolor Color

23.45ct Multicolor Boulder Opal, Fancy Shape, 21.7x17.9 mm

9.8 out of 10
See Bizrate Ratings for GemSelect
Boulder Opal Product ID: 718511
Type: Boulder Opal
Boulder Opal Weight: 23.45 ct Boulder Opal 1 gem
Boulder Opal Size: mm calibrated Boulder Opal
Boulder Opal Size: 21.7 x 17.9 x 5 mm Boulder Opal
Boulder Opal Exact Size: 21.73 x 17.85 x 4.97 mm
Length x Width x Depth
Boulder Opal Shape: Fancy Cabochon Boulder Opal
Boulder Opal Color: Multicolor Boulder Opal
Boulder Opal Clarity: Opaque Boulder Opal
Boulder Opal Treatment: Untreated
Boulder Opal Origin: Australia Boulder Opal
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

$
140.70
Item in Stock
Certified Gemstones

RISK FREE

30 DAY RETURN MONEY BACK GUARANTEE

100%

FULLY GUARANTEED

Product Description

This is a 23.45 carat natural multicolor Boulder Opal gem, 1 pc in fancy shape with an exact size of 21.73 x 17.85 x 4.97 mm. This loose Boulder Opal gemstone was mined in Australia and its clarity is Opaque. No treatment has been applied on this natural Boulder Opal stone

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

I was looking for a small gift for a friend- the process is the same as every other time and was very simple, and she even got her gift early! On the downside, there's no way to easily keep track of multiple Shipping Addresses, so if I want to send a gift to Friend A and to Friend B, I have to overwrite everything and it's a fair bit clunky in that regard.

Posted By Jezzi in June, 2025
Source: Bizrate

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

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My whole experience is great.

Posted By Ghs in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
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
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