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sellingantiques.co.uk
ID #SA1207387
FOR SALE
£675
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9ct Gold Unusual Shaped Boulder Black Opal (4.00+) Solitaire Pendant Necklace
AgAu Jewellery
for sale €790     $857
£675
AgAu Jewellery

AgAu Jewellery

Sellingantiques Verified Since Apr 2011
View Dealers Stock Page
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    Agau jewellery offer an extensive range of 9ct and 18ct gold jewellery.
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Id #SA1207387
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9ct Gold Unusual Shaped Boulder Black Opal (4.00+) Solitaire Pendant Necklace

1940 - 1960
For Sale by AgAu Jewellery
Description

9ct Gold Unusual Shaped Boulder Black Opal Solitaire Pendant Necklace. The pendant is stunning quality. The boulder black opal is approx (4.00ct+) its a very unusual rounded pear cut which has been cut and shaped directly off the ruff boulder of opal. The opal is incredible quality with vivid greens, blues and yellows and oranges, the opal shows an array of colours from all different angles. The pendant is presented on a 9ct gold 16"/40cm chain. The pendant measures 1.8cm long (inc. bale) x 1.3cm wide and weighs an impressive 5.6 grams. The item is presented in excellent condition and certainly an investment piece.

Metal: 9ct Yellow Gold

Stones: 1 x black opal approx (4.00ct+),

Size: Pendant 1.8cm long, 1.3cm wide. Chain 16"/40cm 

Hallmarks: Chain is marked for 9ct gold and is origin to the pendant which as been tested for 9ct gold

Weight: 5.6g

Condition: This item is presented in excellent condition. 

Physical Dimensions
Height
1.8cm (0.71")
Width
1.3cm (0.51")
Depth
0.5cm (0.20")
Declaration

AgAu Jewellery has dated this Gold Boulder Opal Pendant to the 1950s.

Reference Numbers
Sellingantiques Reference
SA1207387
Dealers Internal Reference
276325
Dealers Notes

To locate this item on our website use the 'Internal Ref' below on agaujewellery.com where you can also view and/upgrade your packaging, pay using Credit/Debit card, PayPal, American Express, GooglePay and ApplePay

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All items are shipped using our standard of 5 working days, for express shipping please order on our website. EUROPEAN & WORLDWIDE CUSTOMERS ONLY: Please add £32 at the Stripe shipping option for European and £45 if you live anywhere else in the world.

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We offer a 14 day return on all items as standard, by placing an order with Selling Antiques you accept our terms of sales & return policy agaujewellery.com/terms-and-conditions

Description
9ct Gold Unusual Shaped Boulder Black Opal Solitaire Pendant Necklace. The pendant is stunning quality. The boulder black opal is approx (4.
“
00ct+) its a very unusual rounded pear cut which has been cut and shaped directly off the ruff boulder of opal.
AgAu Jewellery

The opal is incredible quality with vivid greens, blues and yellows and oranges, the opal shows an array of colours from all different angles. The pendant is presented on a 9ct gold 16"/40cm chain. The pendant measures 1.8cm long (inc. bale) x 1.3cm wide and weighs an impressive 5.6 grams. The item is presented in excellent condition and certainly an investment piece.

fig 1. A 9ct yellow gold pendant featuring a freeform triangular boulder opal with blue and green play-of-colour attached to a gold curb chain.
fig 1. 9ct Gold Unusual Shaped Boulder Black Opal (4.00+) Solitaire Pendant Necklace

Metal: 9ct Yellow Gold

Stones: 1 x black opal approx (4.00ct+),

Size: Pendant 1.8cm long, 1.3cm wide. Chain 16"/40cm 

Hallmarks: Chain is marked for 9ct gold and is origin to the pendant which as been tested for 9ct gold

Weight: 5.6g

Condition: This item is presented in excellent condition. 

Height
1.8cm (0.71")
Width
1.3cm (0.51")
Depth
0.5cm (0.20")
Date of Manufacture

AgAu Jewellery has dated this Gold Boulder Opal Pendant to the 1950s.

Reference Numbers
Sellingantiques Ref
SA1207387
Dealers Internal Ref
276325
AgAu Jewellery
AgAu Jewellery
Sellingantiques verified Since Apr 2011

Agau jewellery offer an extensive range of 9ct and 18ct gold jewellery.

Dealer Profile

You can view the stock and full dealer information on the AgAu Jewellery Profile Page

Relevant Links
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A 9ct yellow gold pendant featuring a freeform triangular boulder opal with blue and green play-of-colour attached to a gold curb chain.
1 / 9
Archive I A 9ct yellow gold pendant featuring a freeform triangular boulder opal with blue and green play-of-colour attached to a gold curb chain.

9ct Gold Unusual Shaped Boulder Black Opal (4.00+) Solitaire Pendant Necklace

Archive II A 9ct yellow gold pendant featuring a freeform triangular boulder opal with blue and green play-of-colour attached to a gold curb chain. View II
Archive III A 9ct yellow gold pendant featuring a freeform triangular boulder opal with blue and green play-of-colour attached to a gold curb chain. View III
Archive IV A 9ct yellow gold pendant featuring a freeform triangular boulder opal with blue and green play-of-colour attached to a gold curb chain. View IV
Archive V A 9ct yellow gold pendant featuring a freeform triangular boulder opal with blue and green play-of-colour attached to a gold curb chain. View V
Archive VI A 9ct yellow gold pendant featuring a freeform triangular boulder opal with blue and green play-of-colour attached to a gold curb chain. View VI
Archive VII A 9ct yellow gold pendant featuring a freeform triangular boulder opal with blue and green play-of-colour attached to a gold curb chain. View VII
Archive VIII A 9ct yellow gold pendant featuring a freeform triangular boulder opal with blue and green play-of-colour attached to a gold curb chain. View VIII
Archive IX A 9ct yellow gold pendant featuring a freeform triangular boulder opal with blue and green play-of-colour attached to a gold curb chain. View IX
Enlarged Archival View
AgAu Jewellery

AgAu Jewellery
Telephone 01617 061316
Location
Stockport
Great Manchester
United Kingdom
Dealer Profile Page sellingantiques.co.uk/AgAu
Verified Since Apr 2011
Items For Sale 287
Items Sold 1,871
AgAu Jewellery
AgAu Jewellery
Verified Since Apr 2011
View Dealer Info
Location: Stockport, Great Manchester, United Kingdom
Profile: sellingantiques.co.uk/AgAu
Verified
Apr 2011
For Sale
287
Sold
1,871
A 9ct yellow gold pendant featuring a freeform triangular boulder opal with blue and green play-of-colour attached to a gold curb chain.
9ct Gold Unusual Shaped Boulder Black Opal (4.00+) Solitaire Pendant Necklace
Ref: SA1207387
A 9ct yellow gold pendant featuring a freeform triangular boulder opal with blue and green play-of-colour attached to a gold curb chain.
Detail View 1
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Archival Detail

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FAQs

A boulder opal is a natural gemstone formed within ironstone rock host formations, where silica-rich water percolates into fractures and leaves behind mineral deposits with vibrant play-of-colour.

These pendants are commonly set using protective bezel settings in precious metals like 9ct or 18ct gold, tailored to secure the organic contours of the host matrix.

Authentic boulder opals display natural, irregular colour patterns directly connected to their original dark ironstone backing, unlike assembled doublets or synthetic imitations.

An opal pendant can be worn as a standalone focal piece against block-colour garments or paired with layered fine gold chains for modern wear.

Clean gently with lukewarm water, mild soap, and a soft microfibre cloth, avoiding steam cleaning, ultrasonic devices, prolonged water exposure, or chemical cleaners.
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