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sellingantiques.co.uk
ID #SA1196514
FOR SALE
£8,995
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French Art Deco Platinum 1.80ct Transitional Cut Diamond Sapphire Solitaire Ring
Crispin Jewellery
for sale €10,524     $11,424
£8,995

Crispin Jewellery

Sellingantiques Verified Since Oct 2018
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Id #SA1196514
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French Art Deco Platinum 1.80ct Transitional Cut Diamond Sapphire Solitaire Ring

1900 - 1920
Description

A stunning French Art deco circa 1920s diamond ring set in Platinum with taper cut and knife edge shoulders set with fancy French cut natural sapphires and durther diamond

Not hallmarked but tests as Platinum

The central diamond spreads 1.80ct, measuring just under 8mm. This has not been out and weight but diamond weight approximately 1.80ct. The diamond is held securely within 6 double prong claws

This diamond is flawless to the naked eye and a stunning white colour, estimated in situ colour G/H and clarity Si1 due to one tiny colourless feather seen with a 20 x loupe only

There are further old cut diamonds to the shoulders, and 4 fancy cut natural sapphires- a mark of superior quality.

The ring is a large size currently and GB M 1/2, this can however be resized if required.

Rings like this are extremely rare to find, this dates truly to the 1920s, it is of exceptional quality and would make the most fantastic engagement ring.

A considerable insurance value.

Declaration

Crispin Jewellery has dated this Art Deco Diamond Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1196514
Description
A stunning French Art deco circa 1920s diamond ring set in Platinum with taper cut and knife edge shoulders set with fancy French cut natural sapphires and durther diamond

Not hallmarked but tests as Platinum

fig 1. An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires.
fig 1. French Art Deco Platinum 1.80ct Transitional Cut Diamond Sapphire Solitaire Ring

The central diamond spreads 1.80ct, measuring just under 8mm. This has not been out and weight but diamond weight approximately 1.80ct. The diamond is held securely within 6 double prong claws

“
This diamond is flawless to the naked eye and a stunning white colour, estimated in situ colour G/H and clarity Si1 due to one tiny colourless feather seen with a 20 x loupe only.
Crispin Jewellery
fig 2. An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires.
fig 2. French Art Deco Platinum 1.80ct Transitional Cut Diamond Sapphire Solitaire Ring

There are further old cut diamonds to the shoulders, and 4 fancy cut natural sapphires- a mark of superior quality.

The ring is a large size currently and GB M 1/2, this can however be resized if required.

Rings like this are extremely rare to find, this dates truly to the 1920s, it is of exceptional quality and would make the most fantastic engagement ring.

A considerable insurance value.

Date of Manufacture

Crispin Jewellery has dated this Art Deco Diamond Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1196514
Crispin Jewellery
Sellingantiques verified Since Oct 2018
Dealer Profile

You can view the stock and full dealer information on the Crispin Jewellery Profile Page

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An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires.
1 / 15
Archive I An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires.

French Art Deco Platinum 1.80ct transitional cut diamond sapphire solitaire ring

Archive II An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires. View II
Archive III An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires. View III
Archive IV An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires. View IV
Archive V An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires. View V
Archive VI An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires. View VI
Archive VII An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires. View VII
Archive VIII An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires. View VIII
Archive IX An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires. View IX
Archive X An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires. View X
Archive XI An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires. View XI
Archive XII An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires. View XII
Archive XIII An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires. View XIII
Archive XIV An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires. View XIV
Archive XV An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires. View XV
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Crispin Jewellery
Telephone 07790 416 633
Location
PO Box 1409
Hertfordshire
HP19NU
United Kingdom
Dealer Profile Page sellingantiques.co.uk/crispinjewellery
Verified Since Oct 2018
Items For Sale 249
Items Sold 453
Crispin Jewellery
Verified Since Oct 2018
View Dealer Info
Location: PO Box 1409, Hertfordshire, HP19NU, United Kingdom
Profile: sellingantiques.co.uk/crispinjewellery
Verified
Oct 2018
For Sale
249
Sold
453
An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires.
French Art Deco Platinum 1.80ct transitional cut diamond sapphire solitaire ring
Ref: SA1196514
An Art Deco platinum solitaire ring featuring a large transitional-cut central diamond flanked by two triangular blue sapphires.
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FAQs

Art Deco jewellery, originating between 1919 and 1939, is characterised by geometric patterns, bold linear shapes, and contrasting gemstone combinations. It heavily featured platinum settings, millegrain borders, and newly developed gem cuts designed to reflect modern industrial aesthetics.

Platinum was the premier metal choice due to its strength and ability to hold intricate pierced work. Rings from this era predominantly featured high-clarity diamonds paired with calibre-cut or triangular accent stones such as sapphires, emeralds, and rubies.

Authentic Art Deco pieces often display period-specific hallmarks, such as the French dogs head mark for platinum, along with hand-carved millegrain and openwork detailing beneath the setting. Furthermore, central stones typically showcase historical cuts, such as old European or transitional cuts, rather than modern brilliant cuts.

Fine antique jewellery can be styled in a modern interior by displaying it inside a glass-topped velvet jewellery box on a dressing table or atop a marble tray alongside vintage perfume bottles.

Clean the piece gently using warm water, mild soap, and a soft-bristled brush to remove dust from behind the stone settings. Store the ring separately in a fabric-lined pouch to prevent harder gemstones from scratching adjacent metals or softer stones.
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