Antique 7.20ct Black Opal and 0.78ct Diamond, Platinum Cocktail Ring – Circa 1930
A stunning antique 7.20 carat black opal and 0.78 carat diamond, platinum cocktail ring; part of our diverse antique jewellery and estate jewelry collections
£6,950
This stunning, fine and impressive antique black opal ring has been crafted in platinum.
The pierced decorated, circular setting displays a feature 7.20ct cabochon cut black opal, claw to the centre of the cluster design.
The feature opal is set in relief to a border composed of twenty-six multi-claw set eight-cut diamonds.
The pierced decorated, elevated ring shoulders integrate with the main setting and blend seamlessly with the plain ring shank.
The ring is hallmarked to the interior of the shank with the mark for platinum (PLATINUM).
This stunning antique gemstone ring is supplied with an IDGL diamond grading report card.
This antique black opal and diamond cocktail ring is best suited to occasions that celebrate individuality, achievement, and life’s most extraordinary milestones. Black opals are prized for their vibrant play of colour and are traditionally associated with creativity, inspiration, confidence, and good fortune. Dating to circa 1930, this striking ring is particularly appropriate for milestone birthdays, landmark anniversaries, retirement celebrations, significant achievements, or as a statement gift for a collector of exceptional gemstone jewellery.
This stunning gemstone cocktail ring is fine quality set with a stunning black opal and very well colour matched, very high colour graded old cut diamonds.
The black opal ring is a very good gauge of gold and is in excellent condition with a very clear hallmark to the interior of the shank.
Additional information
| Opal Quality | Colour Black |
|---|---|
| Diamond Quality | Colour (average grades) G |
| Dimensions | Diameter of Setting 1.95cm/0.77" |
| Weight | 7.01 grams |
| Ring Size | UK Size M – USA Size 6 |
| Gemstone | |
| Metal | Platinum |
| Date | Circa 1930 |
Diamond Clarity:
Diamond Colour:
Can be Resized:
FREE INTERNATIONAL SHIPPING
Dispatched via DHL (or equivalent) on the next working day.
Estimated Delivery:
- UK: 2–3 working days
- Worldwide: 5–7 working days
Fully Insured in Transit
Free insurance up to £30,000. AC Silver remains responsible until delivery is confirmed.
Returns & Cancellations
You have 14 days to cancel your order.
Returns must be sent to our UK address within 14 days of cancellation.
Customers are responsible for return postage. A refund will be processed after inspection of the returned item.
Altered or Personalised Items
- Items resized or altered before dispatch: exchange or credit note only
- Engraved silver: non-refundable
What our customers say
Lovely selection & excellent service
Lovely selection & excellent service
AC Silver has a stunning selection of antique and vintage items. Both of my brooches arrived right on time as indicated by the tracking. They are even lovelier in person and I look forward to wearing them for decades to come. Andrew and Gemma provided excellent communication and prompt dispatch. I would absolutely recommend working through them.
Fabulous service, beautiful product.
Fabulous service, beautiful product.
Fabulous service, beautiful product.
Beautiful collection and outstanding service
Beautiful collection and outstanding service
Beautiful collection and outstanding service. I already bought two extraordinary pieces and can only highly recommend.
Excellent customer care.
Excellent customer care.
I had to place the order over the phone as my internet was misbehaving. The lady who I spoke to could not have been more helpful and was particularly careful to get all the details correct. I was then informed about the collection and dispatch of the item purchased, by email. The item arrived as expected and it had been most well packed so that no harm could come to it. It was a delight to purchase this item from C6323, AC Silver, and I could not fault any aspect of their customer care. I was highly delighted with my silver mustard pot and it was much better than the pictures on the web site.
Exceptional personal service
Exceptional personal service
First class personal service and attention to detail along with an exceptional quality of items offered for sale. A very smooth purchasing experience with swift and safe despatch of high value objects via courier. Highly recommended.
A lovely experience
A lovely experience
AC Silver's website is very detailed and informative - allows customers to make well good comparisons and subsequent choices. The owner and his staff are very helpful and friendly - dealing with them is a pleasure. They go the extra mile to make sure that customers are totally satisfied with their purchases. Would highly recommend this store.
Excellent experience
Excellent experience
Excellent experience buying a beautiful item from AC Silver. Enquiries were dealt with quickly and courteously, I felt very confident buying an expensive item online. It arrived quickly and safely, beautifully packaged. I am delighted with it and wouldn't hesitate to recommend AC Silver.
This was an all-around great experience. The pre-sale communication was excellent and informative. The team was extremely responsive. When the item arrived, it was exactly as described.
This was an all-around great experience. The pre-sale communication was excellent and informative. The team was extremely responsive. When the item arrived, it was exactly as described.
This was an all-around great experience. The pre-sale communication was excellent and informative. The team was extremely responsive. When the item arrived, it was exactly as described. I would recommend these guys to anyone.
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Frequently Asked Questions
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Yes. This antique ring features a natural 7.20ct black opal, one of the rarest and most valuable varieties of opal. Natural black opals are highly prized for their dark body tone and vibrant flashes of colour, making them particularly desirable among collectors and gemstone enthusiasts.
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