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Black Opals Gemma AI Opal 101
Estimated RRP
15%
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28th Feb 2026

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investmentopals

31.5 CTS BOULDER OPAL POLISHED STONE INV-308 GC-INVESTMENTOPALS

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3 watching
Details
SKU
INV-308
Dimensions (mm)
27 x 21 x 4mm
Weight (cts)
31.5
Type
Cabochon, Polished
Shape
Rectangle
Colours
Description

BOULDER OPAL

GREEN,BLUE RED COLOUR

SPARLKY PATTERN

Shipping
Provider Destination Cost
DHL Default Rest of World
14 days
first item
per additional item
shipping capped at
FedEx Rest of World
7 days
first item
per additional item
shipping capped at
Standard Shipping - Tracked Rest of World
14 days
first item
per additional item
shipping capped at
Standard Shipping - Tracked Default Australia
7 days
first item
per additional item
shipping capped at
DHL Default United Kingdom
14 days
first item
per additional item
shipping capped at
DHL Default United States of America
14 days
first item
per additional item
shipping capped at
Express Shipping Australia
5 days
first item
per additional item
shipping capped at
FedEx United Kingdom
7 days
first item
per additional item
shipping capped at
Standard Shipping - Tracked United Kingdom
14 days
first item
per additional item
shipping capped at
FedEx United States of America
7 days
first item
per additional item
shipping capped at
Standard Shipping - Tracked United States of America
14 days
first item
per additional item
shipping capped at
Store
31.5 CTS BOULDER OPAL POLISHED STONE INV-308 GC-INVESTMENTOPALS

investmentopals
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Qld, Australia
Owned by investmentopals
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View all 942 Feedback
Recent Feedback
  • orionstarz
    orionstarz
    Positive

    Superb Quality Koroit opal stone. Very intense colours I love it. Fast Delivery. Top 5***** Seller Many Thanks.

6.75Cts-Koroit Opal Stone INV-1668-investmentopals 6.75Cts-Koroit Opal Stone INV-1668-investmentopals
  • yobeone
    yobeone
    Positive

    Can't wait to get this beautiful opal. I'll keep this one in my collection

N1 - 2.45 CTS CHINESE WRITING BLACK OPAL INV-47 BL19 INVESTMENTOPALS N1 - 2.45 CTS CHINESE WRITING BLACK OPAL INV-47 BL19 INVESTMENTOPALS
32.15cts Koroit Opal WOOD FOSSIL INV-1438 -investmentopals 32.15cts Koroit Opal WOOD FOSSIL INV-1438 -investmentopals
  • pompey27
    pompey27
    Positive

    Very nice stone, with good size, thank you

7.85-CTS QUALITY RED YOWAH OPAL INV-1425-INVESTMENTOPALS 7.85-CTS QUALITY RED YOWAH OPAL INV-1425-INVESTMENTOPALS
  • jlh4
    jlh4
    Positive

    The seller was very good to deal with and the stone is as pictured and as described. I had it made into a very nice ring.

N3- 3.31 CTS QUALITY BLACK OPAL INV-268- ws- investmentopals N3- 3.31 CTS QUALITY BLACK OPAL INV-268- ws- investmentopals
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Audit

The Opal Sheriff program allows our members to request an audit on any product, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.

Shipping Details

Costs:
Transit:
14 days via DHL
Capped at:
Ships from:
Australia

Payment Options

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Overview

Listing Type : Standard
Product ID : 1309117
Starts : 25th February 2026 02:06 pm PST
* All prices are in USD

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