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ID #SA1236405
FOR SALE
£4,950
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Antique French 6.20ct Sapphire and 0.43ct Diamond Platinum Cluster Ring Circa 1920
For sale by AC Silver
for sale €5,792     $6,287
£4,950
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
Browse dealers 473 items
  • About Us
    Welcome to ac silver antique silver and antique jewellery specialists since 1977
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    AC Silver is a registered member of LAPADA  CINOA
Id #SA1236405
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Antique French 6.20ct Sapphire and 0.43ct Diamond Platinum Cluster Ring Circa 1920

1900 - 1920
For Sale by AC Silver
Description

A stunning, fine and impressive antique 1920's 6.20 carat sapphire and 0.43 carat diamond, platinum cluster style dress ring; part of our diverse antique jewellery and estate jewelry collections.

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

The cluster design displays a feature millegrain collet set 6.20ct oval faceted blue sapphire to the centre of the design.

The sapphire is encircled by twenty-eight pavé set eight cut diamonds.

The elevated ring shoulders integrate with the main setting and blend seamlessly with the plain ring shank.

The ring is hallmarked to the outer surface of the shank with the French maker's mark and the platinum mark (dog's head).

This impressive cushion cut sapphire and diamond ring is supplied with an IDGL diamond and gemstone grading report card.

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 impressive gemstone dress ring is excellent quality, set with an impressive sapphire displaying fine colour, brilliance and presence; under magnification a few surface marks are visible to the table, this does not detract from the aesthetically pleasing appearance.

The well colour matched, very high colour graded diamonds displaying a fine white colour and brilliance.

The ring is an excellent gauge of platinum and is in excellent condition, with clear French hallmarks to the outer surface of the shank.

Reflections in photographs may detract from the true representation of this fine example of sapphire jewellery.

Sapphire Quality

Colour Blue

Cut Oval Faceted

Content 6.20 carats

Dimensions 13.87mm (length) x 9.46mm (width) x 5.38mm (depth)

Diamond Quality

Colour (average grades) H

Clarity (average grades) SI2

Cut Eight

Content 0.43 carat

Number of Diamonds

28

Dimensions

Length of setting 1.78cm/0.7'

Width of setting 1.4cm/0.55'

Height of setting 4.88mm/0.19'

Ring Size

UK Size S

USA Size 9 1/8

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

Weight

4.85 grams

Date: Circa 1920

Origin: France, Europe

SKU: C9844

Date of Manufacture

AC Silver has dated this Sapphire Diamond Cluster Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1236405
Dealers Internal Reference
C9844
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 antique 1920's 6.20 carat sapphire and 0.
“
43 carat diamond, platinum cluster style dress ring; part of our diverse antique jewellery and estate jewelry collections.
AC Silver

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

fig 1. An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging.
fig 1. Antique French 6.20ct Sapphire and 0.43ct Diamond Platinum Cluster Ring Circa 1920

The cluster design displays a feature millegrain collet set 6.20ct oval faceted blue sapphire to the centre of the design.

The sapphire is encircled by twenty-eight pavé set eight cut diamonds.

The elevated ring shoulders integrate with the main setting and blend seamlessly with the plain ring shank.

fig 2. An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging.
fig 2. Antique French 6.20ct Sapphire and 0.43ct Diamond Platinum Cluster Ring Circa 1920

The ring is hallmarked to the outer surface of the shank with the French maker's mark and the platinum mark (dog's head).

This impressive cushion cut sapphire and diamond ring is supplied with an IDGL diamond and gemstone grading report card.

fig 3. An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging.
fig 3. Antique French 6.20ct Sapphire and 0.43ct Diamond Platinum Cluster Ring Circa 1920

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 impressive gemstone dress ring is excellent quality, set with an impressive sapphire displaying fine colour, brilliance and presence; under magnification a few surface marks are visible to the table, this does not detract from the aesthetically pleasing appearance.

fig 4. An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging.
fig 4. Antique French 6.20ct Sapphire and 0.43ct Diamond Platinum Cluster Ring Circa 1920

The well colour matched, very high colour graded diamonds displaying a fine white colour and brilliance.

The ring is an excellent gauge of platinum and is in excellent condition, with clear French hallmarks to the outer surface of the shank.

fig 5. An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging.
fig 5. Antique French 6.20ct Sapphire and 0.43ct Diamond Platinum Cluster Ring Circa 1920

Reflections in photographs may detract from the true representation of this fine example of sapphire jewellery.

Sapphire Quality

Colour Blue

Cut Oval Faceted

Content 6.20 carats

Dimensions 13.87mm (length) x 9.46mm (width) x 5.38mm (depth)

fig 6. An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging.
fig 6. Antique French 6.20ct Sapphire and 0.43ct Diamond Platinum Cluster Ring Circa 1920

Diamond Quality

Colour (average grades) H

Clarity (average grades) SI2

Cut Eight

Content 0.43 carat

Number of Diamonds

28

Dimensions

Length of setting 1.78cm/0.7'

Width of setting 1.4cm/0.55'

Height of setting 4.88mm/0.19'

Ring Size

UK Size S

USA Size 9 1/8

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

Weight

4.85 grams

Date: Circa 1920

Origin: France, Europe

SKU: C9844

Date of Manufacture

AC Silver has dated this Sapphire Diamond Cluster Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1236405
Dealers Internal Ref
C9844
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

PDF SHARE
SAVE
An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging.
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Film
Film of Antique French 6.20ct Sapphire and 0.43ct Diamond Platinum Cluster Ring Circa 1920
Archive I An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging.

Antique French 6.20ct Sapphire and 0.43ct Diamond Platinum Cluster Ring Circa 1920

Film
Archive II An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging. View II
Archive III An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging. View III
Archive IV An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging. View IV
Archive V An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging. View V
Archive VI An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging. View VI
Archive VII An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging. View VII
Archive VIII An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging. View VIII
Archive IX An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging. View IX
Archive X An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging. View X
Archive XI An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging. View XI
Archive XII An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging. View XII
Archive XIII An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging. View XIII
Archive XIV An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging. View XIV
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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 473
Items Sold 115
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
473
Sold
115
An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging.
Antique French 6.20ct Sapphire and 0.43ct Diamond Platinum Cluster Ring Circa 1920
Ref: SA1236405
An antique platinum cluster ring featuring a centrally set oval deep blue sapphire surrounded by a halo of brilliant diamonds with millegrain edging.
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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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Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco
  • MaterialPlatinum, Sapphire, Diamond
  • ColourDeep Blue, Silver
  • MotifsOval cut central sapphire, Diamond halo border, Millegrain edging, Tapered platinum shank

This is an antique French Art Deco dress ring from circa 1920, made of platinum. The cluster design centres on an oval faceted deep blue sapphire, surrounded by a halo of twenty-eight pavé set eight cut diamonds with millegrain edging. The elevated shoulders integrate with the main setting and blend into the plain platinum shank, which bears French hallmarks on the outer surface. The ring is worn on the finger as personal jewellery for daily wear or formal occasions. The central blue gemstone, the pavé set diamond border, and the millegrain edging are clearly visible. The length of the setting measures 1.78 cm and the width is 1.4 cm.

Art Deco sapphire cluster rings from the 1920s typically feature a central gemstone, such as an oval or cushion-cut blue sapphire, surrounded by a delicate halo border of diamonds. Influenced by geometric design principles and refined metalwork, these pieces showcase platinum settings with hand-applied millegrain detailing.

These rings were predominantly crafted using platinum or 18ct white gold to provide a durable setting for diamonds. Central sapphires were claw or bezel set and framed by single-cut or old European-cut diamonds, often finished with millegrain borders along the edge of the mount.

Authentic period rings exhibit period-correct gemstone cuts, precise millegrain work around the settings, and hand-finished platinum work. French pieces from this era frequently feature specific French assay marks stamped onto the exterior of the ring shank.

An antique sapphire cluster ring serves as a statement piece suitable for both formal eveningwear and tailored daywear. The contrast between deep blue sapphire and white metal allows it to be worn either as an engagement ring or paired with simple platinum bands.

Clean the ring gently using warm water, mild liquid detergent, and a soft-bristled brush to clear debris from behind the gemstones. Avoid harsh chemicals or abrasive materials, and store the item separately in a fabric-lined box to prevent scratching.
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