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ID #SA893589
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£5,495
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Antique Early 20th Century 1.45ct Diamond Solitaire Engagement Ring
Mitaine
for sale €6,429     $6,979
£5,495
Mitaine

Mitaine

Sellingantiques Verified Since Nov 2018
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    Specialises in antique fine jewellery
Id #SA893589
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Antique Early 20th Century 1.45ct Diamond Solitaire Engagement Ring

1900 - 1920
For Sale by Mitaine
Description

A fabulous 1.45ct diamond engagement ring J-K colour and is SI. The diamond has wonderful fire and it is SI clarity and is an old round cut diamond . This is a really lovely large diamond and very classic. It is marked for platinum and has an elegant setting and shank. It is Size Q and is 2.7gms. It has been assessed independently and comes with with a Gem-A approved diamond report, from IGR-London.

SHIPPING

All orders will be posted with a full tracking and signed for service.

FREE DELIVERY on all orders worldwide.

Express Delivery is FREE on all orders over £500 GBP.

Orders placed by 12pm GMT will be dispatched within 25 hours.

If your order is under £500 but you require express shipping please let us know and we will add this to the order.

REFUNDS

Please contact us within 14 days of receipt of the item and a full refund will be given on its return.

Declaration

Mitaine has dated this Antique Diamond Solitaire Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA893589
Description
A fabulous 1.45ct diamond engagement ring J-K colour and is SI. The diamond has wonderful fire and it is SI clarity and is an old round cut diamond . This is a really lovely large diamond and very classic. It is marked for platinum and has an elegant setting and shank. It is Size Q and is 2.7gms.
It has been assessed independently and comes with with a Gem-A approved diamond report, from IGR-London.
Mitaine
fig 1. An antique diamond solitaire ring featuring a round old-cut diamond set in an eight-claw white metal mount.
fig 1. Antique Early 20th Century 1.45ct Diamond Solitaire Engagement Ring

SHIPPING

All orders will be posted with a full tracking and signed for service.

FREE DELIVERY on all orders worldwide.

Express Delivery is FREE on all orders over £500 GBP.

Orders placed by 12pm GMT will be dispatched within 25 hours.

fig 2. An antique diamond solitaire ring featuring a round old-cut diamond set in an eight-claw white metal mount.
fig 2. Antique Early 20th Century 1.45ct Diamond Solitaire Engagement Ring

If your order is under £500 but you require express shipping please let us know and we will add this to the order.

REFUNDS

Please contact us within 14 days of receipt of the item and a full refund will be given on its return.

Date of Manufacture

Mitaine has dated this Antique Diamond Solitaire Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA893589
Mitaine
Mitaine
Sellingantiques verified Since Nov 2018

Specialises in antique fine jewellery

Dealer Profile

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

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An antique diamond solitaire ring featuring a round old-cut diamond set in an eight-claw white metal mount.
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Archive I An antique diamond solitaire ring featuring a round old-cut diamond set in an eight-claw white metal mount.

Antique Early 20th Century 1.45ct Diamond Solitaire Engagement Ring

Archive II An antique diamond solitaire ring featuring a round old-cut diamond set in an eight-claw white metal mount. View II
Archive III An antique diamond solitaire ring featuring a round old-cut diamond set in an eight-claw white metal mount. View III
Archive IV An antique diamond solitaire ring featuring a round old-cut diamond set in an eight-claw white metal mount. View IV
Archive V An antique diamond solitaire ring featuring a round old-cut diamond set in an eight-claw white metal mount. View V
Archive VI An antique diamond solitaire ring featuring a round old-cut diamond set in an eight-claw white metal mount. View VI
Archive VII An antique diamond solitaire ring featuring a round old-cut diamond set in an eight-claw white metal mount. View VII
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Telephone 07940 113 228
Location
Gloucestershire
United Kingdom
Verified Since Nov 2018
Items For Sale 135
Items Sold 546
Mitaine
Mitaine
Verified Since Nov 2018
View Dealer Info
Location: Gloucestershire, United Kingdom
Verified
Nov 2018
For Sale
135
Sold
546
An antique diamond solitaire ring featuring a round old-cut diamond set in an eight-claw white metal mount.
Antique Early 20th Century 1.45ct Diamond Solitaire Engagement Ring
Ref: SA893589
An antique diamond solitaire ring featuring a round old-cut diamond set in an eight-claw white metal mount.
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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.
Our dealers are highly experienced in packing and shipping fragile, high-value antiques. Because you are in direct contact with the dealer, you will be able to easily go through all available shipping and insurance options together to ensure your item arrives safely.
Antiques are the ultimate green purchase. By choosing historical pieces over newly manufactured goods, you completely eliminate the carbon footprint of modern mass production while preserving exceptional, timeless craftsmanship.

Solitaire rings from the early 20th century typically featured hand-faceted diamonds set in slender platinum or white gold mountings. Design focus remained on elevating the single gemstone using minimal yet precise claw settings.

Jewellers frequently utilised platinum and white gold due to their strength and cool tone, which complemented natural diamonds. Central stones were typically hand-cut, such as Old European or mine cuts.

Authentic pieces display distinct hand-cut diamond features including a small table, steep crown angles, and an open culet. Metalwork often shows subtle hand-finishing, maker marks, and period hallmark stamps inside the band.

A classic single-stone design pairs easily alongside modern geometric bands, plain platinum wedding rings, or delicate stacked gold rings for a balanced contrast.

Clean using warm water, mild dish soap, and a soft-bristled brush to remove accumulation behind the setting. Professional jeweller inspections are recommended annually to verify claw security.
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