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ID #SA1189840
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£5,950
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Vintage 11.51ct Star Sapphire and 0.82ct Diamond Platinum Ring Circa 1950
AC Silver
for sale €6,962     $7,557
£5,950
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
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Id #SA1189840
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Vintage 11.51ct Star Sapphire and 0.82ct Diamond Platinum Ring Circa 1950

1940 - 1960
For Sale by AC Silver
Description

A stunning, fine and impressive vintage 11.51 carat star sapphire and 0.82 carat diamond, platinum ring; part of our sapphire rings collection.

This stunning, fine and impressive vintage sapphire ring has been crafted in platinum.

The substantial pierced decorated setting is ornamented with a stunning feature four-claw set 11.51ct cabochon cut star sapphire, accented with a pavé set Dutch cut diamond to each claw.

The stunning scrolling oval-shaped setting is embellished with a collet and claw set diamonds, in a combination of Old European and Dutch cuts.

The broad wirework style shoulders integrate with the main setting and amalgamate to form a stranded shank.

This vintage sapphire ring is hallmarked to the outer surface of the shank with the French maker's mark and platinum mark (dog's head); the composition in platinum indicates the high quality of the piece.

This finely crafted vintage 1950's ring is supplied with an IDGL diamond and gemstone grading report card.

This circa 1950 platinum star sapphire ring is distinguished by its rare asterism and mid-century craftsmanship. A compelling choice for birthdays, anniversaries, or romantic milestones.

Images do not always reflect the true colour and brilliance of gemstones and diamonds. The video however provides a truer representation of the actual colour and showcases each stone.

Condition

This stunning vintage 1950s cocktail ring is exceptional quality, set with a stunning star sapphire displaying fine epiasterism and presence.

The diamonds display a fine white colour, brilliance and presence.

The ring is a superior gauge of platinum and is in exceptional condition, with clear hallmarks to the outer surface of the ring shank; the hallmarks are struck deeply due to the exceptional gauge of platinum.

Reflections in photographs may detract from the true representation of this stunning platinum star sapphire ring.

Sapphire Quality

Type Star

Cut Cabochon

Content 11.51 carats

Dimensions 14.02mm (length) x 11.63mm (width) x 8.37mm (depth)

Diamond Quality

Colour (average grades) H

Clarity (average grades) P1

Cut Old European/Dutch

Content 0.82 carat

Number of Diamonds

22

Dimensions

Length of setting 2.68cm/1.06'

Width of setting 2.21cm/0.87'

Height of setting 1.08cm/0.43'

Ring Size

UK Size L

USA Size 5 1/2

The ring size may be professionally adjusted in size on request to meet your personal requirements.

Weight

17.09 grams

Date: Circa 1950

Origin: France, Europe

A video is available upon request.

Physical Dimensions
Height
1.1cm (0.43")
Width
2.2cm (0.87")
Depth
2.7cm (1.06")
Declaration

AC Silver has dated this Star Sapphire Platinum Ring to the 1950s.

Reference Numbers
Sellingantiques Reference
SA1189840
Dealers Internal Reference
C9563
Dealers Notes

PLEASE NOTE: AC Silver takes pride in offering only quality items for sale.

This pride in quality includes the professional, efficient and personal service extended to all AC Silver customers.

All items purchased usually dispatched within 24 hours following cleared payment.

All items are professionally and securely packaged, sent FREE of charge and are FULLY INSURED during transit.

FREE worldwide international deliveries are via FedEx International Priority Service.

AC Silver is pleased to provide a 30-day money back guarantee.

Description
A stunning, fine and impressive vintage 11.51 carat star sapphire and 0.82 carat diamond, platinum ring; part of our sapphire rings collection.

This stunning, fine and impressive vintage sapphire ring has been crafted in platinum.

fig 1. An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo.
fig 1. Vintage 11.51ct Star Sapphire and 0.82ct Diamond Platinum Ring Circa 1950

The substantial pierced decorated setting is ornamented with a stunning feature four-claw set 11.51ct cabochon cut star sapphire, accented with a pavé set Dutch cut diamond to each claw.

The stunning scrolling oval-shaped setting is embellished with a collet and claw set diamonds, in a combination of Old European and Dutch cuts.
AC Silver
fig 2. An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo.
fig 2. Vintage 11.51ct Star Sapphire and 0.82ct Diamond Platinum Ring Circa 1950

The broad wirework style shoulders integrate with the main setting and amalgamate to form a stranded shank.

This vintage sapphire ring is hallmarked to the outer surface of the shank with the French maker's mark and platinum mark (dog's head); the composition in platinum indicates the high quality of the piece.

fig 3. An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo.
fig 3. Vintage 11.51ct Star Sapphire and 0.82ct Diamond Platinum Ring Circa 1950

This finely crafted vintage 1950's ring is supplied with an IDGL diamond and gemstone grading report card.

This circa 1950 platinum star sapphire ring is distinguished by its rare asterism and mid-century craftsmanship. A compelling choice for birthdays, anniversaries, or romantic milestones.

fig 4. An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo.
fig 4. Vintage 11.51ct Star Sapphire and 0.82ct Diamond Platinum Ring Circa 1950

Images do not always reflect the true colour and brilliance of gemstones and diamonds. The video however provides a truer representation of the actual colour and showcases each stone.

Condition

This stunning vintage 1950s cocktail ring is exceptional quality, set with a stunning star sapphire displaying fine epiasterism and presence.

fig 5. An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo.
fig 5. Vintage 11.51ct Star Sapphire and 0.82ct Diamond Platinum Ring Circa 1950

The diamonds display a fine white colour, brilliance and presence.

The ring is a superior gauge of platinum and is in exceptional condition, with clear hallmarks to the outer surface of the ring shank; the hallmarks are struck deeply due to the exceptional gauge of platinum.

fig 6. An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo.
fig 6. Vintage 11.51ct Star Sapphire and 0.82ct Diamond Platinum Ring Circa 1950

Reflections in photographs may detract from the true representation of this stunning platinum star sapphire ring.

Sapphire Quality

Type Star

Cut Cabochon

Content 11.51 carats

Dimensions 14.02mm (length) x 11.63mm (width) x 8.37mm (depth)

fig 7. An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo.
fig 7. Vintage 11.51ct Star Sapphire and 0.82ct Diamond Platinum Ring Circa 1950

Diamond Quality

Colour (average grades) H

Clarity (average grades) P1

Cut Old European/Dutch

Content 0.82 carat

Number of Diamonds

22

Dimensions

Length of setting 2.68cm/1.06'

Width of setting 2.21cm/0.87'

Height of setting 1.08cm/0.43'

fig 8. An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo.
fig 8. Vintage 11.51ct Star Sapphire and 0.82ct Diamond Platinum Ring Circa 1950

Ring Size

UK Size L

USA Size 5 1/2

The ring size may be professionally adjusted in size on request to meet your personal requirements.

Weight

17.09 grams

Date: Circa 1950

Origin: France, Europe

A video is available upon request.

Height
1.1cm (0.43")
Width
2.2cm (0.87")
Depth
2.7cm (1.06")
Date of Manufacture

AC Silver has dated this Star Sapphire Platinum Ring to the 1950s.

Reference Numbers
Sellingantiques Ref
SA1189840
Dealers Internal Ref
C9563
AC Silver
AC Silver
Sellingantiques verified Since Apr 2009

Welcome to ac silver antique silver and antique jewellery specialists since 1977

Dealer Profile

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

Trade Associations

AC Silver is a registered member of LAPADA  CINOA

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An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo.
1 / 16
Archive I An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo.

Vintage 11.51ct Star Sapphire and 0.82ct Diamond Platinum Ring Circa 1950

Archive II An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo. View II
Archive III An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo. View III
Archive IV An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo. View IV
Archive V An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo. View V
Archive VI An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo. View VI
Archive VII An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo. View VII
Archive VIII An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo. View VIII
Archive IX An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo. View IX
Archive X An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo. View X
Archive XI An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo. View XI
Archive XII An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo. View XII
Archive XIII An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo. View XIII
Archive XIV An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo. View XIV
Archive XV An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo. View XV
Archive XVI An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo. View XVI
Enlarged Archival View
Telephone 0191 240 2645
Location
35B St Georges Terrace
Jesmond
Newcastle Upon Tyne
Tyne and Wear
NE2 2SU
United Kingdom
Dealer Profile Page sellingantiques.co.uk/ac
Verified Since Apr 2009
Items For Sale 459
Items Sold 103
AC Silver
AC Silver
Verified Since Apr 2009
View Dealer Info
Location: 35B St Georges Terrace, Jesmond, Newcastle Upon Tyne, Tyne and Wear, NE2 2SU, United Kingdom
Verified
Apr 2009
For Sale
459
Sold
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An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo.
Vintage 11.51ct Star Sapphire and 0.82ct Diamond Platinum Ring Circa 1950
Ref: SA1189840
An oval cabochon blue star sapphire set in platinum surrounded by an intricate openwork diamond halo.
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Archival Detail
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.

A star sapphire ring features a gem-quality corundum cabochon that displays asterism, a six-rayed star optical effect caused by microscopic rutile inclusions reflecting light within the stone.

Rings from the mid-twentieth century frequently paired natural star sapphires with brilliant or single-cut diamonds, mounted in platinum or white gold to emphasise the cool tones of the central gem.

Authentic vintage pieces feature platinum hallmark stamps, hand-finished pierced scrollwork or wirework mountings, and natural sapphire inclusions where the star effect shifts smoothly under moving light.

A mid-century star sapphire cocktail ring serves as a focal statement piece, suitable for pairing with modern evening wear or tailored suits to highlight the contrast between metallic settings and blue tones.

Clean the ring gently using lukewarm water, mild dish soap, and a soft-bristled brush to remove dust from the undersides of the settings before drying with a soft microfibre cloth.
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