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ID #SA1193910
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14ct Gold Black Boulder Opal and Diamond Cluster Ring
Sold by AgAu Jewellery
sold SA1193910
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 #SA1193910
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14ct Gold Black Boulder Opal and Diamond Cluster Ring

1940 - 1960
Sold 12 February 2026 · AgAu Jewellery
This “14ct Gold Black Boulder Opal and Diamond Cluster Ring” 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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14ct Gold RingGold Diamond ClusterGold Opal Jewellery Ask the dealer for something similar
Description

14ct Gold Black Opal and Diamond Cluster Ring. The ring is set with a elongated oval cut cabochon black boulder opal approx (2.00ct) complete with a cluster of 4 brilliant cut diamonds, totaling (0.10ct) The diamonds are lovely quality, sparkly and clean and the black opal is striking with a stunning green, reds and blues, it is a fantastic quality ring. The ring is fully hallmarked for 14ct gold. The face of the ring measures 0.8cm wide x 1.4cm high and weighs 3.1 grams, the ring size is a M and is offered in excellent condition.

Metal: 14ct yellow gold

Stones: 1 x Black Opal (2.00ct) 4 x Diamonds, totalling (0.10ct)

Ring Face Measurement: 0.8cm wide x 1.4cm high

Hallmarks: Hallmarked for 14ct gold

Ring Size: UK Ring size M

Weight: 3.1g

Condition: Excellent Condition

Physical Dimensions
Height
1.4cm (0.55")
Width
0.8cm (0.31")
Depth
2.2cm (0.87")
Declaration

AgAu Jewellery has dated this 14ct Gold Opal Ring to the 1950s.

Reference Numbers
Sellingantiques Reference
SA1193910
Dealers Internal Reference
149311
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
14ct Gold Black Opal and Diamond Cluster Ring. The ring is set with a elongated oval cut cabochon black boulder opal approx (2.00ct) complete with a cluster of 4 brilliant cut diamonds, totaling (0.
“
10ct) The diamonds are lovely quality, sparkly and clean and the black opal is striking with a stunning green, reds and blues, it is a fantastic quality ring.
AgAu Jewellery

The ring is fully hallmarked for 14ct gold. The face of the ring measures 0.8cm wide x 1.4cm high and weighs 3.1 grams, the ring size is a M and is offered in excellent condition.

fig 1. A close-up view of a 14ct gold ring featuring an elongated black boulder opal with green play-of-colour, accented by a small cluster of diamonds.
fig 1. 14ct Gold Black Boulder Opal and Diamond Cluster Ring

Metal: 14ct yellow gold

Stones: 1 x Black Opal (2.00ct) 4 x Diamonds, totalling (0.10ct)

Ring Face Measurement: 0.8cm wide x 1.4cm high

Hallmarks: Hallmarked for 14ct gold

Ring Size: UK Ring size M

Weight: 3.1g

Condition: Excellent Condition

Height
1.4cm (0.55")
Width
0.8cm (0.31")
Depth
2.2cm (0.87")
Date of Manufacture

AgAu Jewellery has dated this 14ct Gold Opal Ring to the 1950s.

Reference Numbers
Sellingantiques Ref
SA1193910
Dealers Internal Ref
149311
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 close-up view of a 14ct gold ring featuring an elongated black boulder opal with green play-of-colour, accented by a small cluster of diamonds. SOLD6+ MONTHS AGO
1 / 11
Archive I A close-up view of a 14ct gold ring featuring an elongated black boulder opal with green play-of-colour, accented by a small cluster of diamonds. SOLD6+ MONTHS AGO

14ct Gold Black Boulder Opal and Diamond Cluster Ring

Archive II A close-up view of a 14ct gold ring featuring an elongated black boulder opal with green play-of-colour, accented by a small cluster of diamonds. View II
Archive III A close-up view of a 14ct gold ring featuring an elongated black boulder opal with green play-of-colour, accented by a small cluster of diamonds. View III
Archive IV A close-up view of a 14ct gold ring featuring an elongated black boulder opal with green play-of-colour, accented by a small cluster of diamonds. View IV
Archive V A close-up view of a 14ct gold ring featuring an elongated black boulder opal with green play-of-colour, accented by a small cluster of diamonds. View V
Archive VI A close-up view of a 14ct gold ring featuring an elongated black boulder opal with green play-of-colour, accented by a small cluster of diamonds. View VI
Archive VII A close-up view of a 14ct gold ring featuring an elongated black boulder opal with green play-of-colour, accented by a small cluster of diamonds. View VII
Archive VIII A close-up view of a 14ct gold ring featuring an elongated black boulder opal with green play-of-colour, accented by a small cluster of diamonds. View VIII
Archive IX A close-up view of a 14ct gold ring featuring an elongated black boulder opal with green play-of-colour, accented by a small cluster of diamonds. View IX
Archive X A close-up view of a 14ct gold ring featuring an elongated black boulder opal with green play-of-colour, accented by a small cluster of diamonds. View X
Archive XI A close-up view of a 14ct gold ring featuring an elongated black boulder opal with green play-of-colour, accented by a small cluster of diamonds. 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 close-up view of a 14ct gold ring featuring an elongated black boulder opal with green play-of-colour, accented by a small cluster of diamonds.
14ct Gold Black Boulder Opal and Diamond Cluster Ring
Ref: SA1193910
A close-up view of a 14ct gold ring featuring an elongated black boulder opal with green play-of-colour, accented by a small cluster of diamonds.
Detail View 1
Detail View 2
Detail View 3
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Detail View 10
Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1940 - 1960
  • StyleFine Jewellery
  • Material14ct Gold, Boulder Opal, Diamond
  • ColourGold and Green
  • MotifsCluster setting, Asymmetric band, Claw set gemstones
  • SizeH 1.4 cm (1 in) x W 0.8 cm (0 in) x D 2.2 cm (1 in)

FAQs

A boulder opal ring features a natural opal gemstone cut and polished while still embedded in its host ironstone matrix, creating a unique dark body colour with vibrant play-of-colour.

Cluster rings are traditionally crafted from precious metals such as 14ct or 18ct gold, platinum, or silver, set with a central gemstone surrounded by smaller accent stones like diamonds.

Authentic pieces typically feature official metal hallmarks, natural inclusions within the gemstones, and secure setting techniques such as claw or prong settings rather than modern adhesive.

A statement ring can be worn as a standalone focal piece on the hand or paired with delicate, minimalist bands to let the colourful central gemstone stand out.

Opals contain water and require gentle cleaning with a soft, damp cloth. They should be stored separately from harder gemstones to avoid scratching and kept away from harsh chemicals and extreme temperature fluctuations.
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