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ID #SA1197609
FOR SALE
£1,490
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Fine Art Deco Sapphire & Diamond Ring in 18ct Gold and Platinum Circa 1920s
The Chelsea Bijouterie Ltd
for sale €1,743     $1,892
£1,490

The Chelsea Bijouterie Ltd

Sellingantiques Verified Since Nov 2018
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Id #SA1197609
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Fine Art Deco Sapphire & Diamond Ring in 18ct Gold and Platinum Circa 1920s

1900 - 1920
Description

This Art Deco ring dates to the 1920s and is crafted in 18ct yellow gold with a platinum setting — a classic and desirable combination of the period.

At its centre sits an emerald cut sapphire measuring 6.2mm x 5mm. The stone displays a sumptuous velvet midnight blue with the faintest green undertone, giving it depth and character in different lights. The cut is beautifully proportioned.

Flanking the centre stone are three small single cut diamonds to each shoulder, each approximately 1.3mm. Set within platinum, they provide a delicate shimmer that enhances the sapphire without overwhelming it. The stepped shoulder design is quintessentially Deco, offering both structure and refinement.

The ring sits 5.3mm above the finger, with a head measuring 6.5mm x 5.3mm, giving presence while remaining wonderfully wearable. It weighs 3.3 grams and is marked 18CT & PLAT.

A sophisticated and enduring design — equally suited as an engagement ring or as a distinguished addition to a fine jewellery collection.

Presented in excellent condition and supplied with a presentation box.

Details

• Period: Art Deco

• Circa: 1920s

• Centre stone: Emerald cut sapphire – 6.2mm x 5mm

• Colour: Velvet midnight blue with slight green undertone

• Secondary stones: Three single cut diamonds to each shoulder (approx. 1.3mm each)

• Metal: 18ct gold and platinum

• Hallmarks: Marked 18CT & PLAT

• Head size: 6.5mm x 5.3mm

• Height above finger: 5.3mm

• Ring size: UK N½ / US 7

• Weight: 3.3 grams

• Condition: Excellent

• Presentation box included

• Reference: 2591

Please visit our website to view our full collection:

https://www.the-chelsea-bijouterie.com

Payment:

By Debit/ Credit Card, PayPal or Bank Transfer

Shipping:

We post worldwide free of charge

All items are sent fully insured, tracked and signed for.

Terms of Sale:

We are totally committed to customer satisfaction. We take great care to give accurate and detailed descriptions accompanied by high definition photos. If you are not entirely happy with your purchase we will gladly offer you a full refund. Please return within 14 days of receipt of your purchase.

About Us:

We have years of knowledge and experience in dealing in antiques and antique & designer jewellery. We are committed to giving exceptional customer service. The Chelsea Bijouterie aims to offer beautiful and interesting items at affordable prices.

Declaration

The Chelsea Bijouterie Ltd has dated this Art Deco Sapphire Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1197609
Dealers Internal Reference
2591
Description
This Art Deco ring dates to the 1920s and is crafted in 18ct yellow gold with a platinum setting — a classic and desirable combination of the period.

At its centre sits an emerald cut sapphire measuring 6.2mm x 5mm.

“
The stone displays a sumptuous velvet midnight blue with the faintest green undertone, giving it depth and character in different lights.
The Chelsea Bijouterie Ltd

The cut is beautifully proportioned.

fig 1. An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band.
fig 1. Fine Art Deco Sapphire & Diamond Ring in 18ct Gold and Platinum Circa 1920s

Flanking the centre stone are three small single cut diamonds to each shoulder, each approximately 1.3mm. Set within platinum, they provide a delicate shimmer that enhances the sapphire without overwhelming it. The stepped shoulder design is quintessentially Deco, offering both structure and refinement.

fig 2. An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band.
fig 2. Fine Art Deco Sapphire & Diamond Ring in 18ct Gold and Platinum Circa 1920s

The ring sits 5.3mm above the finger, with a head measuring 6.5mm x 5.3mm, giving presence while remaining wonderfully wearable. It weighs 3.3 grams and is marked 18CT & PLAT.

A sophisticated and enduring design — equally suited as an engagement ring or as a distinguished addition to a fine jewellery collection.

fig 3. An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band.
fig 3. Fine Art Deco Sapphire & Diamond Ring in 18ct Gold and Platinum Circa 1920s

Presented in excellent condition and supplied with a presentation box.

Details

• Period: Art Deco

• Circa: 1920s

• Centre stone: Emerald cut sapphire – 6.2mm x 5mm

• Colour: Velvet midnight blue with slight green undertone

fig 4. An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band.
fig 4. Fine Art Deco Sapphire & Diamond Ring in 18ct Gold and Platinum Circa 1920s

• Secondary stones: Three single cut diamonds to each shoulder (approx. 1.3mm each)

• Metal: 18ct gold and platinum

• Hallmarks: Marked 18CT & PLAT

• Head size: 6.5mm x 5.3mm

• Height above finger: 5.3mm

• Ring size: UK N½ / US 7

fig 5. An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band.
fig 5. Fine Art Deco Sapphire & Diamond Ring in 18ct Gold and Platinum Circa 1920s

• Weight: 3.3 grams

• Condition: Excellent

• Presentation box included

• Reference: 2591

Please visit our website to view our full collection:

https://www.the-chelsea-bijouterie.com

Payment:

By Debit/ Credit Card, PayPal or Bank Transfer

fig 6. An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band.
fig 6. Fine Art Deco Sapphire & Diamond Ring in 18ct Gold and Platinum Circa 1920s

Shipping:

We post worldwide free of charge

All items are sent fully insured, tracked and signed for.

Terms of Sale:

We are totally committed to customer satisfaction. We take great care to give accurate and detailed descriptions accompanied by high definition photos. If you are not entirely happy with your purchase we will gladly offer you a full refund. Please return within 14 days of receipt of your purchase.

fig 7. An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band.
fig 7. Fine Art Deco Sapphire & Diamond Ring in 18ct Gold and Platinum Circa 1920s

About Us:

We have years of knowledge and experience in dealing in antiques and antique & designer jewellery. We are committed to giving exceptional customer service. The Chelsea Bijouterie aims to offer beautiful and interesting items at affordable prices.

Date of Manufacture

The Chelsea Bijouterie Ltd has dated this Art Deco Sapphire Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1197609
Dealers Internal Ref
2591
The Chelsea Bijouterie Ltd
Sellingantiques verified Since Nov 2018
Dealer Profile

You can view the stock and full dealer information on the The Chelsea Bijouterie Ltd Profile Page

Relevant Links
PDF SHARE
SAVE
An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band.
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Archive I An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band.

Fine Art Deco Sapphire & Diamond Ring in 18ct Gold and Platinum Circa 1920s

Archive II An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band. View II
Archive III An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band. View III
Archive IV An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band. View IV
Archive V An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band. View V
Archive VI An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band. View VI
Archive VII An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band. View VII
Archive VIII An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band. View VIII
Archive IX An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band. View IX
Archive X An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band. View X
Archive XI An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band. View XI
Archive XII An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band. View XII
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The Chelsea Bijouterie Ltd
Telephone 07949 058 591
Location
85 Great Portland Street
London
W1W 7LT
United Kingdom
Dealer Profile Page sellingantiques.co.uk/thechelseabijouterie
Verified Since Nov 2018
Items For Sale 174
Items Sold 873
The Chelsea Bijouterie Ltd
Verified Since Nov 2018
View Dealer Info
Location: 85 Great Portland Street, London, W1W 7LT, United Kingdom
Profile: sellingantiques.co.uk/thechelseabijouterie
Verified
Nov 2018
For Sale
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An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band.
Fine Art Deco Sapphire & Diamond Ring in 18ct Gold and Platinum circa 1920s
Ref: SA1197609
An Art Deco ring featuring a central emerald-cut deep blue sapphire flanked by geometric stepped platinum shoulders set with small diamonds on an 18ct yellow gold band.
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FAQs

Art Deco rings, popular during the 1920s and 1930s, are characterised by clean lines, symmetrical patterns, and bold geometric shapes. They frequently feature contrasting coloured gemstones, such as sapphires or emeralds paired with diamonds, mounted in platinum or white gold settings.

Jewellers during the Art Deco period favoured platinum and yellow or white gold, incorporating step-cut or geometric gemstones like emerald-cut sapphires and diamonds. Techniques such as milgrain edging and illusion settings were widely used to add texture and accentuate gemstone size.

Authentic Art Deco rings usually feature characteristic geometric hand-engraved shoulders, delicate milgrain borders, and period hallmark stamps inside the band indicating metal purity. Gemstones from this period often display historical cutting styles, such as emerald cuts or old European cuts.

An Art Deco sapphire ring serves as a focal statement piece that complements both sharp modern tailoring and formal evening attire. Its architectural silhouette enables it to be worn as a standalone ring or stacked alongside subtle, contemporary bands.

Clean vintage gemstone rings gently using warm water, mild liquid soap, and a soft toothbrush to clean around the setting mounts. Avoid harsh chemicals or ultrasonic cleaners, and store the ring in a fabric-lined box to prevent precious metals from scratching.
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