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ID #SA1237880
FOR SALE
£4,950
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3ct Ceylon Sapphire and 0.50ct Diamond, Platinum Dress Ring - Art Deco - Antique Circa 1935
For sale by AC Silver
for sale €5,792     $6,287
£4,950
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
Browse dealers 439 items
  • About Us
    Welcome to ac silver antique silver and antique jewellery specialists since 1977
  • Trade Associations
    AC Silver is a registered member of LAPADA  CINOA
Relevant Links
Id #SA1237880
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3ct Ceylon Sapphire and 0.50ct Diamond, Platinum Dress Ring - Art Deco - Antique Circa 1935

1920 - 1940
For Sale by AC Silver
Description

A stunning, fine and impressive antique 3 carat blue cabochon Ceylon sapphire and 0.50 carat diamond, platinum Art Deco dress ring; part of our antique collection of gemstone engagement rings.

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

The pierced decorated mount displays a 3ct cabochon cut blue Ceylon sapphire, six-claw set to the centre of the design.

The pierced decorated, elevated ring shoulders are accented with collet set baguette and square cut diamonds, in an iconic Art Deco stepped formation.

The shoulders integrate with the feature setting and meld with the plain hallmarked ring shank.

This antique cabochon sapphire ring is hallmarked to the interior of the shank with the platinum mark (PLAT) and has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum.

This antique 1930s sapphire ring is supplied with an IDGL diamond and gemstone grading report card*.

The antique cabochon sapphire and diamond ring reflects the geometric refinement of 1930s Art Deco design, crafted in platinum for strength and understated elegance. The smooth cabochon sapphire provides rich colour and depth, contrasted by the brilliance of the diamonds. Its distinctive period character and refined craftsmanship make it particularly suited to milestone birthdays, anniversaries, engagements or as a treasured heirloom piece.

NOTE: * The Gemmological Certification Services (GCS) lab has verbally (report number 5786-2490) accredited the sapphire originating in Sri Lanka (Ceylon) and verifies that the gemstone shows indications of heating.

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 original antique 1930's engagement ring is excellent quality, set with a blue Ceylon sapphire displaying fine colour, brilliance and presence.

The very high colour and clarity graded diamonds display a fine white colour and brilliance.

The ring is an excellent gauge of platinum and is in excellent condition, with a clear hallmark to the interior of the shank.

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

Sapphire Quality

Origin Sri Lanka (Ceylon)

Colour Blue

Cut Cabochon

Content 3.00 carats

Dimensions 7.33mm (length) x 6.29mm (width) x 6.54mm (depth)

Diamond Quality

Colour (average grades) G

Clarity (average grades) VS1

Cut Baguette/Square

Content 0.50 carat

Number of Diamonds

8

Dimensions

Width of setting 8.61mm/0.34'

Height of setting 8.3mm/0.33'

Ring Size

UK Size L 1/2

USA Size 5 1/2

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

Weight

3.87 grams

Date: Circa 1935

SKU: C9855

Declaration

AC Silver has dated this Art Deco Sapphire Ring to the 1930s.

Reference Numbers
Sellingantiques Reference
SA1237880
Dealers Internal Reference
C9855
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 3 carat blue cabochon Ceylon sapphire and 0.
“
50 carat diamond, platinum Art Deco dress ring; part of our antique collection of gemstone engagement rings.
AC Silver

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

fig 1. An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds.
fig 1. 3ct Ceylon Sapphire and 0.50ct Diamond, Platinum Dress Ring - Art Deco - Antique Circa 1935

The pierced decorated mount displays a 3ct cabochon cut blue Ceylon sapphire, six-claw set to the centre of the design.

The pierced decorated, elevated ring shoulders are accented with collet set baguette and square cut diamonds, in an iconic Art Deco stepped formation.

fig 2. An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds.
fig 2. 3ct Ceylon Sapphire and 0.50ct Diamond, Platinum Dress Ring - Art Deco - Antique Circa 1935

The shoulders integrate with the feature setting and meld with the plain hallmarked ring shank.

This antique cabochon sapphire ring is hallmarked to the interior of the shank with the platinum mark (PLAT) and has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum.

fig 3. An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds.
fig 3. 3ct Ceylon Sapphire and 0.50ct Diamond, Platinum Dress Ring - Art Deco - Antique Circa 1935

This antique 1930s sapphire ring is supplied with an IDGL diamond and gemstone grading report card*.

The antique cabochon sapphire and diamond ring reflects the geometric refinement of 1930s Art Deco design, crafted in platinum for strength and understated elegance. The smooth cabochon sapphire provides rich colour and depth, contrasted by the brilliance of the diamonds. Its distinctive period character and refined craftsmanship make it particularly suited to milestone birthdays, anniversaries, engagements or as a treasured heirloom piece.

fig 4. An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds.
fig 4. 3ct Ceylon Sapphire and 0.50ct Diamond, Platinum Dress Ring - Art Deco - Antique Circa 1935

NOTE: * The Gemmological Certification Services (GCS) lab has verbally (report number 5786-2490) accredited the sapphire originating in Sri Lanka (Ceylon) and verifies that the gemstone shows indications of heating.

fig 5. An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds.
fig 5. 3ct Ceylon Sapphire and 0.50ct Diamond, Platinum Dress Ring - Art Deco - Antique Circa 1935

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 original antique 1930's engagement ring is excellent quality, set with a blue Ceylon sapphire displaying fine colour, brilliance and presence.

fig 6. An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds.
fig 6. 3ct Ceylon Sapphire and 0.50ct Diamond, Platinum Dress Ring - Art Deco - Antique Circa 1935

The very high colour and clarity graded diamonds display a fine white colour and brilliance.

The ring is an excellent gauge of platinum and is in excellent condition, with a clear hallmark to the interior of the shank.

fig 7. An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds.
fig 7. 3ct Ceylon Sapphire and 0.50ct Diamond, Platinum Dress Ring - Art Deco - Antique Circa 1935

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

Sapphire Quality

Origin Sri Lanka (Ceylon)

Colour Blue

Cut Cabochon

Content 3.00 carats

fig 8. An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds.
fig 8. 3ct Ceylon Sapphire and 0.50ct Diamond, Platinum Dress Ring - Art Deco - Antique Circa 1935

Dimensions 7.33mm (length) x 6.29mm (width) x 6.54mm (depth)

Diamond Quality

Colour (average grades) G

Clarity (average grades) VS1

Cut Baguette/Square

Content 0.50 carat

Number of Diamonds

8

Dimensions

Width of setting 8.61mm/0.34'

fig 9. An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds.
fig 9. 3ct Ceylon Sapphire and 0.50ct Diamond, Platinum Dress Ring - Art Deco - Antique Circa 1935

Height of setting 8.3mm/0.33'

Ring Size

UK Size L 1/2

USA Size 5 1/2

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

Weight

3.87 grams

Date: Circa 1935

SKU: C9855

Date of Manufacture

AC Silver has dated this Art Deco Sapphire Ring to the 1930s.

Reference Numbers
Sellingantiques Ref
SA1237880
Dealers Internal Ref
C9855
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 Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds.
1 / 13
Film
Film of 3ct Ceylon Sapphire and 0.50ct Diamond, Platinum Dress Ring - Art Deco - Antique Circa 1935
Archive I An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds.

3ct Ceylon Sapphire and 0.50ct Diamond, Platinum Dress Ring - Art Deco - Antique Circa 1935

Film
Archive II An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds. View II
Archive III An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds. View III
Archive IV An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds. View IV
Archive V An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds. View V
Archive VI An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds. View VI
Archive VII An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds. View VII
Archive VIII An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds. View VIII
Archive IX An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds. View IX
Archive X An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds. View X
Archive XI An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds. View XI
Archive XII An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds. View XII
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Enlarged Archival View
AC Silver

AC Silver
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 439
Items Sold 111
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
Profile: sellingantiques.co.uk/ac
Verified
Apr 2009
For Sale
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Sold
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An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds.
3ct Ceylon Sapphire and 0.50ct Diamond, Platinum Dress Ring - Art Deco - Antique Circa 1935
Ref: SA1237880
An Art Deco platinum dress ring set with a central oval cabochon blue sapphire flanked by stepped geometric shoulders of baguette cut diamonds.
Film of 3ct Ceylon Sapphire and 0.50ct Diamond, Platinum Dress Ring - Art Deco - Antique Circa 1935
Detail View 1
Detail View 2
Detail View 3
Detail View 4
Detail View 5
Detail View 6
Detail View 7
Detail View 8
Detail View 9
Detail View 10
Detail View 11
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
  • StyleArt Deco
  • MaterialPlatinum, Sapphire, Diamond
  • ColourBlue, Silver
  • MotifsOval cabochon sapphire, Stepped geometric shoulders, Baguette cut diamonds, Platinum band

This Art Deco dress ring dates from the 1930s and is made from platinum, a sapphire, and diamonds. The central stone is a dark blue oval cabochon Ceylon sapphire held in a six-claw setting. Flanking the sapphire are elevated shoulders featuring a stepped geometric design, set with collet-set baguette and square-cut diamonds. The smooth platinum band is plain along the lower shank and carries a clear hallmark on the interior. The ring measures UK size L 1/2 and USA size 5 1/2. In a home today, this piece is worn on the hand as a dress ring, engagement ring, or heirloom piece, suited to everyday wear or special occasions such as anniversaries and milestone birthdays. The combination of the deep blue sapphire and the white diamonds set against the silver-toned platinum reflects the geometric refinement of the period style. The ring has a total weight of 3.87 grams and presents an excellent gauge of platinum throughout.

FAQs

Art Deco jewellery from this period is defined by clean geometric lines, symmetrical patterns, and the bold pairing of coloured gemstones like sapphires with contrasting diamonds set in platinum.

Jewellers favoured platinum for its strength and neutral tone, paired with high-grade coloured gemstones such as Ceylon sapphires and precision-cut baguette or square diamonds.

Authentic pieces feature period-accurate geometric settings, hand-set side stones such as baguette diamonds, historical metal hallmarks, and platinum fabrication techniques typical of the 1920s and 1930s.

Statement rings from the Art Deco era function as versatile accent pieces, pairing with evening wear or modern tailored clothing to add historical geometric contrast.

Store the item separately in a fabric-lined box to avoid contact with other pieces, clean gently using warm water, mild detergent, and a soft brush, and avoid exposure to harsh chemicals.
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