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ID #SA1194017
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18ct Gold Oval Cut Black Boulder Opal Stud Earrings
Sold by AgAu Jewellery
sold SA1194017
Sorry, but this item has been sold.
AgAu Jewellery

AgAu Jewellery

Sellingantiques Verified Since Apr 2011
Browse dealers 286 items
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    If you would prefer to pay via credit/debit card please get in touch via email or phone, thank you
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Id #SA1194017
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18ct Gold Oval Cut Black Boulder Opal Stud Earrings

1940 - 1960
Sold 19 April 2026 · AgAu Jewellery
This “18ct Gold Oval Cut Black Boulder Opal Stud Earrings” found a buyer.

It was listed by AgAu Jewellery. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.

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Gemstone Stud EarringsGold Opal EarringsNatural Opal Jewellery Ask the dealer for something similar
Description

18ct Gold Oval Cut Black Boulder Opal Stud Earrings. The earrings are marked for 18ct gold. The earrings are set with an oval cut cabochon opal (1.50ct), the opals are incredible quality with greens and blues with flashes of red and orange and the stones have been shaped off a opal stone boulder. The earrings measures 9mm hight x 7mm width. The earrings weight is 2.2 grams, The earrings are offered in excellent condition.

Metal: 18ct yellow gold. 

Stone(s): 1 x opal (1.50ct) in each stud

Measurements: Earring Measurements 9mm hight x 7mm width

Hallmark: Hallmarked for 18ct gold

Weight: 2.2g

Condition: Excellent condition 

Physical Dimensions
Height
0.9cm (0.35")
Width
0.7cm (0.28")
Depth
1.6cm (0.63")
Declaration

AgAu Jewellery has dated these Black Boulder Opal Earrings to the 1950s.

Reference Numbers
Sellingantiques Reference
SA1194017
Dealers Internal Reference
158350
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

________________

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.

________________

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
18ct Gold Oval Cut Black Boulder Opal Stud Earrings. The earrings are marked for 18ct gold. The earrings are set with an oval cut cabochon opal (1.
“
50ct), the opals are incredible quality with greens and blues with flashes of red and orange and the stones have been shaped off a opal stone boulder.
AgAu Jewellery

 The earrings measures 9mm hight x 7mm width. The earrings weight is 2.2 grams, The earrings are offered in excellent condition.

Metal: 18ct yellow gold. 

Stone(s): 1 x opal (1.50ct) in each stud

Measurements: Earring Measurements 9mm hight x 7mm width

Hallmark: Hallmarked for 18ct gold

Weight: 2.2g

Condition: Excellent condition 

Height
0.9cm (0.35")
Width
0.7cm (0.28")
Depth
1.6cm (0.63")
Date of Manufacture

AgAu Jewellery has dated these Black Boulder Opal Earrings to the 1950s.

Reference Numbers
Sellingantiques Ref
SA1194017
Dealers Internal Ref
158350
AgAu Jewellery
AgAu Jewellery
Sellingantiques verified Since Apr 2011

If you would prefer to pay via credit/debit card please get in touch via email or phone, thank you

Dealer Profile

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

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A pair of oval-cut black boulder opal stud earrings set in polished 18-carat yellow gold. SOLD6+ MONTHS AGO
1 / 11
Archive I A pair of oval-cut black boulder opal stud earrings set in polished 18-carat yellow gold. SOLD6+ MONTHS AGO

18ct Gold Oval Cut Black Boulder Opal Stud Earrings

Archive II A pair of oval-cut black boulder opal stud earrings set in polished 18-carat yellow gold. View II
Archive III A pair of oval-cut black boulder opal stud earrings set in polished 18-carat yellow gold. View III
Archive IV A pair of oval-cut black boulder opal stud earrings set in polished 18-carat yellow gold. View IV
Archive V A pair of oval-cut black boulder opal stud earrings set in polished 18-carat yellow gold. View V
Archive VI A pair of oval-cut black boulder opal stud earrings set in polished 18-carat yellow gold. View VI
Archive VII A pair of oval-cut black boulder opal stud earrings set in polished 18-carat yellow gold. View VII
Archive VIII A pair of oval-cut black boulder opal stud earrings set in polished 18-carat yellow gold. View VIII
Archive IX A pair of oval-cut black boulder opal stud earrings set in polished 18-carat yellow gold. View IX
Archive X A pair of oval-cut black boulder opal stud earrings set in polished 18-carat yellow gold. View X
Archive XI A pair of oval-cut black boulder opal stud earrings set in polished 18-carat yellow gold. View XI
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 286
Items Sold 1,900
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
286
Sold
1,900
A pair of oval-cut black boulder opal stud earrings set in polished 18-carat yellow gold.
18ct Gold Oval Cut Black Boulder Opal Stud Earrings
Ref: SA1194017
A pair of oval-cut black boulder opal stud earrings set in polished 18-carat yellow gold.
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Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectEarrings
  • Period1940 - 1960
  • StyleClassic Fine Jewellery
  • Material18ct Gold, Boulder Opal
  • ColourBlue and Gold
  • MotifsOval cut, Bezel setting, Cabochon polish
  • SizeH 0.9 cm (0 in) x W 0.7 cm (0 in) x D 1.6 cm (1 in)

FAQs

Boulder opal is a type of precious opal that originates exclusively from Queensland, Australia, where the opal forms naturally within ironstone matrix boulders, leaving a dark backing that enhances the play of colour.

High-end opal earrings are typically crafted using precious metals such as 18-carat yellow gold, white gold, or platinum, often featuring bezel or prong settings to securely hold the cabochon stones.

Authentic boulder opals display natural ironstone backing visible on the reverse or sides of the stone, distinct matrix patterns, and a genuine play of colour that shifts dynamically under different light sources.

These versatile gemstone pieces pair well with both minimalist everyday tailoring and evening wear, allowing the vibrant blue and green flashes of the stones to serve as a subtle focal point.

Opals are a softer gemstone and should be cleaned gently using warm soapy water and a soft cloth, avoiding harsh chemicals, ultrasonic cleaners, and prolonged exposure to extreme temperature fluctuations.
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