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sellingantiques.co.uk
ID #SA1101536
FOR SALE
£5,950
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Antique 1.35ct Sapphire and 0.90ct Diamond, Platinum Ring Circa 1935
AC Silver
for sale €6,962     $7,557
£5,950
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
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    Welcome to ac silver antique silver and antique jewellery specialists since 1977
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Id #SA1101536
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Antique 1.35ct Sapphire and 0.90ct Diamond, Platinum Ring Circa 1935

1920 - 1940
For Sale by AC Silver
Description

A stunning, fine and impressive antique 1.35 carat sapphire and 0.90 carat diamond, platinum ring; part of our diverse collection of antique sapphire rings.

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

The pierced decorated setting is ornamented with a stunning feature 1.35ct rectangular cushion cut sapphire, four claw set in subtle relief to the centre.

The sapphire is flanked on either side by three impressive claw set Old European cut diamonds, in a tiered formation totalling 0.90cts.

The tapering ring shoulders meld with the setting and blend seamlessly with the plain ring shank.

This 1930s sapphire and diamond ring has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum.

This impressive ring is supplied with an IDGL diamond and gemstone grading report card, in addition to a sapphire report certificate from The Gem and Pearl Laboratory Limited, 43 Kirby Street, London*.

NOTE: * This documentation certifies that the sapphire shows no evidence of heat treatment.

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 antique ring is excellent quality, set with a stunning sapphire displaying fine colour, brilliance and presence.

The impressive, high colour graded diamonds display a fine white colour and brilliance.

The sapphire ring is an excellent gauge of platinum and is in excellent condition.

The ring has a fine and delicate shank, which is often the case with original antique rings.

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

Sapphire Quality

Colour Blue

Cut Rectangular Cushion

Content 1.35 carats

Dimensions 7.10mm (length) x 6.50mm (width) x 2.40mm (depth)

Diamond Quality

Colour (average grades) G

Clarity (average grades) SI2

Cut Old European

Content 0.90 carat

Number of Diamonds

6

Dimensions

Length of setting 1.82cm/0.72'

Width of setting 7.02mm/0.28'

Height of setting 5.18mm/0.2'

Ring Size

UK Size N 1/2

USA Size 6 3/4

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

Weight

4.56 grams

Date: Circa 1935

A video is available upon request.

Physical Dimensions
Height
0.5cm (0.20")
Width
0.7cm (0.28")
Depth
1.8cm (0.71")
Declaration

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

Reference Numbers
Sellingantiques Reference
SA1101536
Dealers Internal Reference
C8937
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 1.35 carat sapphire and 0.90 carat diamond, platinum ring; part of our diverse collection of antique sapphire rings.

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

fig 1. An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder.
fig 1. Antique 1.35ct Sapphire and 0.90ct Diamond, Platinum Ring Circa 1935

The pierced decorated setting is ornamented with a stunning feature 1.35ct rectangular cushion cut sapphire, four claw set in subtle relief to the centre.

“
The sapphire is flanked on either side by three impressive claw set Old European cut diamonds, in a tiered formation totalling 0.
AC Silver

90cts.

fig 2. An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder.
fig 2. Antique 1.35ct Sapphire and 0.90ct Diamond, Platinum Ring Circa 1935

The tapering ring shoulders meld with the setting and blend seamlessly with the plain ring shank.

This 1930s sapphire and diamond ring has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum.

fig 3. An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder.
fig 3. Antique 1.35ct Sapphire and 0.90ct Diamond, Platinum Ring Circa 1935

This impressive ring is supplied with an IDGL diamond and gemstone grading report card, in addition to a sapphire report certificate from The Gem and Pearl Laboratory Limited, 43 Kirby Street, London*.

fig 4. An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder.
fig 4. Antique 1.35ct Sapphire and 0.90ct Diamond, Platinum Ring Circa 1935

NOTE: * This documentation certifies that the sapphire shows no evidence of heat treatment.

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.

fig 5. An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder.
fig 5. Antique 1.35ct Sapphire and 0.90ct Diamond, Platinum Ring Circa 1935

Condition

This antique ring is excellent quality, set with a stunning sapphire displaying fine colour, brilliance and presence.

The impressive, high colour graded diamonds display a fine white colour and brilliance.

fig 6. An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder.
fig 6. Antique 1.35ct Sapphire and 0.90ct Diamond, Platinum Ring Circa 1935

The sapphire ring is an excellent gauge of platinum and is in excellent condition.

The ring has a fine and delicate shank, which is often the case with original antique rings.

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

fig 7. An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder.
fig 7. Antique 1.35ct Sapphire and 0.90ct Diamond, Platinum Ring Circa 1935

Sapphire Quality

Colour Blue

Cut Rectangular Cushion

Content 1.35 carats

Dimensions 7.10mm (length) x 6.50mm (width) x 2.40mm (depth)

Diamond Quality

Colour (average grades) G

Clarity (average grades) SI2

Cut Old European

fig 8. An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder.
fig 8. Antique 1.35ct Sapphire and 0.90ct Diamond, Platinum Ring Circa 1935

Content 0.90 carat

Number of Diamonds

6

Dimensions

Length of setting 1.82cm/0.72'

Width of setting 7.02mm/0.28'

Height of setting 5.18mm/0.2'

Ring Size

UK Size N 1/2

USA Size 6 3/4

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

Weight

4.56 grams

Date: Circa 1935

A video is available upon request.

Height
0.5cm (0.20")
Width
0.7cm (0.28")
Depth
1.8cm (0.71")
Date of Manufacture

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

Reference Numbers
Sellingantiques Ref
SA1101536
Dealers Internal Ref
C8937
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

Relevant Links
PDF SHARE
SAVE
An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder.
1 / 10
Archive I An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder.

Antique 1.35ct Sapphire and 0.90ct Diamond, Platinum Ring Circa 1935

Archive II An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder. View II
Archive III An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder. View III
Archive IV An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder. View IV
Archive V An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder. View V
Archive VI An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder. View VI
Archive VII An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder. View VII
Archive VIII An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder. View VIII
Archive IX An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder. View IX
Archive X An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder. View X
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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 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
Profile: sellingantiques.co.uk/ac
Verified
Apr 2009
For Sale
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An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder.
Antique 1.35ct Sapphire and 0.90ct Diamond, Platinum Ring Circa 1935
Ref: SA1101536
An Art Deco platinum ring featuring a central cushion-cut blue sapphire flanked by three round diamonds on each shoulder.
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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.

FAQs

Art Deco rings from the 1930s are characterised by geometric symmetry, high-contrast gemstone pairings, and the refined use of platinum. Craftsmanship during this period focused on structural stone settings and clean profiles that highlighted central coloured gemstones.

Platinum was the primary metal of choice for fine jewellery in the 1930s due to its tensile strength and neutral white tone. Sapphires, diamonds, rubies, and emeralds were frequently combined to produce vivid contrast and durable everyday settings.

Authentic period pieces feature period-appropriate metal hallmarks, hand-finished claw or bezel settings, and period gem cuts such as old European or cushion cuts. Physical inspection under magnification reveals precise hand-craftsmanship rather than modern cast production.

The neutral hue of platinum paired with deep blue sapphire complements both contemporary minimalist tailoring and evening attire. These rings function equally well as standalone accent pieces or layered alongside plain platinum bands.

Clean sapphire and platinum rings using warm water, mild soap, and a soft-bristled brush to clear accumulation around the settings. Store the piece individually in a lined box to protect the metal and gem surfaces from accidental abrasion.
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