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sellingantiques.co.uk
ID #SA1202352
FOR SALE
£1,995
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Gorgeous Art Deco Platinum 0.99ct Diamond and Sapphire Vintage Antique Marquise Ring
BJantiquejewellery Ltd
for sale €2,334     $2,534
£1,995

BJantiquejewellery Ltd

Sellingantiques Verified Since Apr 2018
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Id #SA1202352
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Gorgeous Art Deco Platinum 0.99ct Diamond and Sapphire Vintage Antique Marquise Ring

1920 - 1940
Description

Date made: 1930's

Sapphire content: 0.60ct

Diamond content: 0.99ct

Metal: Platinum

Condition: Excellent commensurate to it's age

Finger length: 22mm

Width: 13mm

Ring Size: UK N US/CAN 61/2 can be resized

This gorgeous art deco ring has at the focal point 33 old cut diamonds. These 0.03ct bright white eye clean diamonds offer a fabulous sparkle with every flick of the finger.

Flowing around the diamonds n this beautiful marquise shape are 30x0.02ct square cut sapphires. These have a wonderful royal blue colouring that compliment their diamonds perfectly.

The ring is solid platinum and is in excellent condtion commensurate to its age. A fabulous ring with top quality gemstones making a stunning statement when worn.

Physical Dimensions
Height
1cm (0.39")
Width
1cm (0.39")
Depth
1cm (0.39")
Declaration

BJantiquejewellery Ltd has dated this Art Deco Marquise Ring to the 1930s.

Reference Numbers
Sellingantiques Reference
SA1202352
Description
Date made: 1930's

Sapphire content: 0.60ct

Diamond content: 0.99ct

Metal: Platinum

Condition: Excellent commensurate to it's age

Finger length: 22mm

Width: 13mm

Ring Size: UK N US/CAN 61/2 can be resized

This gorgeous art deco ring has at the focal point 33 old cut diamonds. These 0.03ct bright white eye clean diamonds offer a fabulous sparkle with every flick of the finger.

fig 1. An Art Deco platinum marquise ring featuring a cluster of round diamonds bordered by calibre-cut blue sapphires with milgrain detailing.
fig 1. Gorgeous Art Deco Platinum 0.99ct Diamond and Sapphire Vintage Antique Marquise Ring

Flowing around the diamonds n this beautiful marquise shape are 30x0.02ct square cut sapphires. These have a wonderful royal blue colouring that compliment their diamonds perfectly.

The ring is solid platinum and is in excellent condtion commensurate to its age. A fabulous ring with top quality gemstones making a stunning statement when worn.

Height
1cm (0.39")
Width
1cm (0.39")
Depth
1cm (0.39")
Date of Manufacture

BJantiquejewellery Ltd has dated this Art Deco Marquise Ring to the 1930s.

Reference Numbers
Sellingantiques Ref
SA1202352
BJantiquejewellery Ltd
Sellingantiques verified Since Apr 2018
Dealer Profile

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

Relevant Links
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An Art Deco platinum marquise ring featuring a cluster of round diamonds bordered by calibre-cut blue sapphires with milgrain detailing.
1 / 9
Archive I An Art Deco platinum marquise ring featuring a cluster of round diamonds bordered by calibre-cut blue sapphires with milgrain detailing.

Gorgeous art deco platinum 0.99ct diamond and sapphire vintage antique marquise ring

Archive II An Art Deco platinum marquise ring featuring a cluster of round diamonds bordered by calibre-cut blue sapphires with milgrain detailing. View II
Archive III An Art Deco platinum marquise ring featuring a cluster of round diamonds bordered by calibre-cut blue sapphires with milgrain detailing. View III
Archive IV An Art Deco platinum marquise ring featuring a cluster of round diamonds bordered by calibre-cut blue sapphires with milgrain detailing. View IV
Archive V An Art Deco platinum marquise ring featuring a cluster of round diamonds bordered by calibre-cut blue sapphires with milgrain detailing. View V
Archive VI An Art Deco platinum marquise ring featuring a cluster of round diamonds bordered by calibre-cut blue sapphires with milgrain detailing. View VI
Archive VII An Art Deco platinum marquise ring featuring a cluster of round diamonds bordered by calibre-cut blue sapphires with milgrain detailing. View VII
Archive VIII An Art Deco platinum marquise ring featuring a cluster of round diamonds bordered by calibre-cut blue sapphires with milgrain detailing. View VIII
Archive IX An Art Deco platinum marquise ring featuring a cluster of round diamonds bordered by calibre-cut blue sapphires with milgrain detailing. View IX
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Enlarged Archival View

BJantiquejewellery Ltd
Telephone 07920 401167
Location
London
United Kingdom
Dealer Profile Page sellingantiques.co.uk/bjantiquejewellery
Verified Since Apr 2018
Items For Sale 107
Items Sold 397
BJantiquejewellery Ltd
Verified Since Apr 2018
View Dealer Info
Location: London, United Kingdom
Profile: sellingantiques.co.uk/bjantiquejewellery
Verified
Apr 2018
For Sale
107
Sold
397
An Art Deco platinum marquise ring featuring a cluster of round diamonds bordered by calibre-cut blue sapphires with milgrain detailing.
Gorgeous art deco platinum 0.99ct diamond and sapphire vintage antique marquise ring
Ref: SA1202352
An Art Deco platinum marquise ring featuring a cluster of round diamonds bordered by calibre-cut blue sapphires with milgrain detailing.
Detail View 1
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Archival Detail

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FAQs

Art Deco jewellery, prominent from the 1920s through the 1930s, is characterised by geometric symmetry, bold color contrasts, and intricate metalwork. Designs frequently feature step-cut or calibre-cut accent stones, platinum settings, and architectural silhouettes such as the marquise or navette shape.

Pieces from this era predominantly feature platinum for its strength and neutral tone, paired with high-grade diamonds and coloured precious gemstones like sapphires, emeralds, or rubies. Fine milgrain borders and hand-cut facets are classic hallmarks of construction.

Authentic period pieces typically display hand-applied milgrain edging, platinum hallmarks, and hand-cut gemstones such as old European or single cuts. Calibre-cut gemstones were individually cut to fit the geometric borders perfectly.

A striking marquise ring serves as a standalone statement piece when paired with minimalist contemporary tailoring or formal eveningwear. The combination of cool-toned platinum, white diamonds, and deep blue sapphires complements both neutral hues and dark colour palettes.

Clean gently using warm water, mild soap, and a soft-bristled brush to remove dust and oils behind the settings. Store separately in a velvet-lined box to prevent gemstones from scratching other pieces, and have the settings inspected periodically by a jeweller.
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