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Black Opals Gemma AI Opal 101
Price
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sedaopals

18 cts 28X20 calibrated Andamooka rainbow matrix stone /glacier pebbles

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9 watching
Details
SKU
OPS1750
Dimensions (mm)
28 x 20 x 4.5mm
Weight (cts)
18.001
Shape
Oval
Type
Cabochon
Colours
Description

ANDAMOOKA RAINBOW MATRIX STONE

This is a natural stone found in Andamooka and treated to look like expensive black opal-the treatment is permeant but keep away from harsh chemicals.

This parcel has been cut to a standared size so it will fit commercially made mountings in mass produced jewelery. The tolerance is app 1 mm

They look better in the hand than in our pictures.

Carbonized and resin treated

Shipping
Provider Destination Cost
Registered Shipping Default Rest of World
21 days
first item
per additional item
shipping capped at
FedEx Rest of World
7 days
first item
per additional item
shipping capped at
Registered Shipping Default Australia
10 days
first item
per additional item
shipping capped at
Registered Shipping Default Chile
21 days
first item
per additional item
shipping capped at
Registered Shipping Default Czechia
21 days
first item
per additional item
shipping capped at
Registered Shipping Default Finland
21 days
first item
per additional item
shipping capped at
Registered Shipping Default France
21 days
first item
per additional item
shipping capped at
Registered Shipping Default Italy
21 days
first item
per additional item
shipping capped at
Registered Shipping Default Japan
21 days
first item
per additional item
shipping capped at
Registered Shipping Default Norway
21 days
first item
per additional item
shipping capped at
Registered Shipping Default Poland
21 days
first item
per additional item
shipping capped at
Registered Shipping Default Spain
21 days
first item
per additional item
shipping capped at
Registered Shipping Default Sweden
21 days
first item
per additional item
shipping capped at
Registered Shipping Default United Kingdom
21 days
first item
per additional item
shipping capped at
Registered Shipping Default United States of America
21 days
first item
per additional item
shipping capped at
Express Shipping Australia
4 days
first item
per additional item
shipping capped at
FedEx Chile
7 days
first item
per additional item
shipping capped at
Express Shipping Czechia
14 days
first item
per additional item
shipping capped at
Express Shipping Finland
14 days
first item
per additional item
shipping capped at
FedEx Finland
7 days
first item
per additional item
shipping capped at
Express Shipping France
14 days
first item
per additional item
shipping capped at
Express Shipping Italy
14 days
first item
per additional item
shipping capped at
FedEx Italy
7 days
first item
per additional item
shipping capped at
FedEx Japan
7 days
first item
per additional item
shipping capped at
FedEx Norway
7 days
first item
per additional item
shipping capped at
Express Shipping Poland
14 days
first item
per additional item
shipping capped at
FedEx Poland
7 days
first item
per additional item
shipping capped at
Express Shipping Spain
14 days
first item
per additional item
shipping capped at
FedEx Spain
7 days
first item
per additional item
shipping capped at
Express Shipping Sweden
14 days
first item
per additional item
shipping capped at
FedEx Sweden
7 days
first item
per additional item
shipping capped at
FedEx United Kingdom
10 days
first item
per additional item
shipping capped at
FedEx United States of America
7 days
first item
per additional item
shipping capped at
Store
18 cts 28X20 calibrated Andamooka rainbow matrix stone /glacier pebbles

sedaopals
Qld, Australia
Owned by sedaopals
Verified
View all 49,384 Feedback
Recent Feedback
  • andreead
    andreead
    Positive

    Thank you for prompt service. The opal looks stunning 😍

2.48 cts Black Opal Stone from Lighting Ridge 2.48 cts Black Opal Stone from Lighting Ridge
3.00 cts Black Opal Stone from Lighting Ridge 3.00 cts Black Opal Stone from Lighting Ridge
  • small-didi
    small-didi
    Positive

    Fast delivery very nice Present, thank you. Opal is bright with a bit sand inside I just got on the wheel and made a double sided 5.8 Ct gem out of it. Kind regards

22.50 CTS OLD CHUNKY MINTABIE OPAL PARCEL MINED IN 1990s 22.50 CTS OLD CHUNKY MINTABIE OPAL PARCEL MINED IN 1990s
  • small-didi
    small-didi
    Positive

    Thank you for the extra parcel, nice Opal as described will be a Challenge to cut and polish it

55.00 CTS OLD CHUNKY MINTABIE OPAL PARCEL MINED IN 1990s 55.00 CTS OLD CHUNKY MINTABIE OPAL PARCEL MINED IN 1990s
  • bribie007
    bribie007
    Positive

    Awesome parcel, Thank You

18.00 cts 12x8 RED/Multi Color Fire in Fairy Opal Parcels 6 usd each 18.00 cts 12x8 RED/Multi Color Fire in Fairy Opal Parcels 6 usd each
View All Feedback

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:
21 days via Registered Shipping
Capped at:
Ships from:
Australia

Payment Options

  • paypal
  • stripe
  • gempay
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Overview

Listing Type : Standard
Product ID : 1644295
Starts : 29th March 2026 03:16 pm PDT
* All prices are in USD

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