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ID #SA1163327
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Platinum Cabochon Opal and Diamond Cluster Ring
Sold by AgAu Jewellery
sold SA1163327
Sorry, but this item has been sold.
AgAu Jewellery

AgAu Jewellery

Sellingantiques Verified Since Apr 2011
Browse dealers 286 items
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Id #SA1163327
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Platinum Cabochon Opal and Diamond Cluster Ring

1920 - 1940
Sold 9 December 2025 · AgAu Jewellery
This “Platinum Cabochon 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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Description

Art Deco Platinum Cabochon Opal and Diamond Cluster Ring. The ring is set with an oval cut cabochon Opal (1.00ct) with a cluster of 6 old cut diamonds, totaling (0.20ct). The opal is stunning with flashes of green, blue, red and orange and the diamonds are lovely quality, sparkly and clean. The ring is fully hallmarked for platinum 950 and is C.1930's. The face of the ring measures 1.5cm wide x0.7cm high and weighs 3.2 grams, the ring size is a Q and is offered in excellent condition.

Metal: Platinum 950

Stones: 1 x Opal (1.00ct), 6 x Diamonds, totalling (0.20ct), 

Ring Face Measurement: 1.5cm wide x 0.7cm high

Hallmarks: Hallmarked for Platinum 950 , C.1930's

Ring Size: UK Ring size Q

Weight: 3.2g

Condition: Excellent Condition

Physical Dimensions
Height
0.7cm (0.28")
Width
1.5cm (0.59")
Depth
2cm (0.79")
Declaration

AgAu Jewellery has dated this Platinum Opal Diamond Ring to the 1930s.

Reference Numbers
Sellingantiques Reference
SA1163327
Dealers Internal Reference
142390
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.

________________

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
Art Deco Platinum Cabochon Opal and Diamond Cluster Ring. The ring is set with an oval cut cabochon Opal (1.00ct) with a cluster of 6 old cut diamonds, totaling (0.20ct).
“
The opal is stunning with flashes of green, blue, red and orange and the diamonds are lovely quality, sparkly and clean.
AgAu Jewellery

The ring is fully hallmarked for platinum 950 and is C.1930's. The face of the ring measures 1.5cm wide x0.7cm high and weighs 3.2 grams, the ring size is a Q and is offered in excellent condition.

fig 1. A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds.
fig 1. Platinum Cabochon Opal and Diamond Cluster Ring

Metal: Platinum 950

Stones: 1 x Opal (1.00ct), 6 x Diamonds, totalling (0.20ct), 

Ring Face Measurement: 1.5cm wide x 0.7cm high

Hallmarks: Hallmarked for Platinum 950 , C.1930's

Ring Size: UK Ring size Q

Weight: 3.2g

Condition: Excellent Condition

Height
0.7cm (0.28")
Width
1.5cm (0.59")
Depth
2cm (0.79")
Date of Manufacture

AgAu Jewellery has dated this Platinum Opal Diamond Ring to the 1930s.

Reference Numbers
Sellingantiques Ref
SA1163327
Dealers Internal Ref
142390
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 platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. SOLD6+ MONTHS AGO
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Archive I A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. SOLD6+ MONTHS AGO

Platinum Cabochon Opal and Diamond Cluster Ring

Archive II A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. View II
Archive III A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. View III
Archive IV A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. View IV
Archive V A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. View V
Archive VI A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. View VI
Archive VII A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. View VII
Archive VIII A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. View VIII
Archive IX A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. View IX
Archive X A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. View X
Archive XI A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. View XI
Archive XII A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. View XII
Archive XIII A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. View XIII
Archive XIV A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. View XIV
Archive XV A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. View XV
Archive XVI A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds. View XVI
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 platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds.
Platinum Cabochon Opal and Diamond Cluster Ring
Ref: SA1163327
A platinum ring featuring a central oval cabochon opal flanked by clusters of small diamonds.
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Archival Detail

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Every single antique dealer on our platform is individually approved by our internal team. We verify their professional trade history, ethical standards, and photographic quality to ensure a secure, high-standard buying environment. Upon joining, every dealer agrees to a strict 9-point code of conduct. While issues can occasionally arise, our dealers typically resolve them swiftly and directly with the buyer. In fact, since our founding in 2002, Sellingantiques has only had to step in to help resolve an issue on roughly five occasions—a true testament to the quality of our dealers and their dedication to your happiness.

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1920 - 1940
  • StyleEdwardian
  • MaterialPlatinum, Opal, Diamond
  • ColourWhite
  • MotifsCabochon cut, Cluster setting, Claw prongs
  • SizeH 0.7 cm (0 in) x W 1.5 cm (1 in) x D 2 cm (1 in)

FAQs

Opal and diamond cluster rings gained immense popularity during the Victorian and Edwardian eras, where opals were prized for their play of colour and diamonds were used to accentuate the central stone.

These rings typically feature a precious metal setting such as platinum or gold, holding a central natural cabochon-cut opal surrounded by smaller brilliant or single-cut diamonds.

Authentic pieces often feature hand-set stones, traditional claw or collet settings, appropriate metal hallmarking, and natural crazing or play of colour within the opal rather than synthetic uniformity.

An opal ring serves as a striking focal point and can be worn as a standalone statement piece or stacked with minimal platinum bands for a contemporary contrast.

Opals contain water and are relatively soft gemstones, meaning they should be protected from harsh chemicals, ultrasonic cleaners, extreme temperature changes, and hard impacts.
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