What defines the Art Deco style in gemstone cluster rings?

Art Deco cluster rings from the 1920s and 1930s characteristically feature geometric layouts, millegrain edge detailing, and mixed-metal constructions, frequently combining yellow gold bands with platinum or white metal settings to highlight white diamonds around a central coloured gemstone.

What materials are traditionally used in 1930s cluster rings?

Rings from this era were typically constructed from 18ct yellow gold or platinum, using gemstones such as sapphires, rubies, and diamonds set in rub-over or claw mounts with hand-applied millegrain borders.

How can you identify an authentic 1930s sapphire ring?

Authentic pieces generally display period hallmarks, hand-cut gemstones such as single or old European cuts, delicate millegrain patterning along the borders, and evidence of hand-finishing along the under-gallery.

How can an Art Deco sapphire ring be styled with modern attire?

A classic sapphire cluster ring serves as a focal piece that pairs seamlessly with both everyday tailored attire and formal evening wear, complementing modern yellow gold or platinum jewellery collections.

How should an antique sapphire and diamond ring be cleaned and maintained?

Clean the ring gently using warm water, mild liquid soap, and a soft-bristled brush, avoiding ultrasonic cleaners if the gemstones contain natural inclusions, and schedule regular professional checks on the setting claws.

for sale €5,792 $6,287

£4,950

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Art Deco Diamond Halo

1930s Sapphire Diamond Ring

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Antique 1.20ct Basaltic Sapphire and 0.54ct Diamond, 18ct Yellow Gold Ring Circa 1935

Name: Antique 1.20ct Basaltic Sapphire and 0.54ct Diamond, 18ct Yellow Gold Ring Circa 1935
Brand: Antique
SKU: SA1135510
Price: 4950 GBP
Availability: InStock

1920 - 1940

For Sale by AC Silver

Description

A stunning and impressive antique 1.20 carat Basaltic sapphire and 0.54 carat diamond, 18 carat yellow gold and platinum set ring; part of our diverse collection of antique sapphire rings.

This stunning, fine and impressive antique sapphire ring has been crafted in 18ct yellow gold with a platinum setting.

The circular cluster design is ornamented with a stunning feature collet set 1.20ct round faceted cut Basaltic sapphire.

The sapphire is surrounded by sixteen platinum set Old European cut diamonds in a millegrain decorated scalloped border.

The trifurcating ring shoulders incorporate platinum set paired leaf designs, each incorporating two further pavé set diamonds, integrating with the plain ring shank.

This sapphire ring has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as 18 carat gold and platinum.

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

A round sapphire cluster ring in yellow gold is a timeless symbol of loyalty and enduring love, making it an exceptional engagement choice. Favoured by royalty, its vintage charm offers a distinctive alternative to diamonds. This piece is ideal for 5th and 45th anniversaries, September birthdays or as a treasured heirloom and investment piece.

NOTE: * The Gemmological Certification Services (GCS) lab has verbally (report number 5785-0869) accredited the sapphire originating in Basaltic deposits and verifies that the gemstone shows no indications 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 stunning antique cluster ring is excellent quality, set with an impressive sapphire displaying fine colour, brilliance and presence.

The impressive high colour graded diamonds display a fine white colour and brilliance; although the diamonds are clarity graded at P1, they predominantly show no unsightly black inclusions.

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

Reflections in photographs may detract from the true representation of this stunning cushion cut Burmese sapphire ring.

Sapphire Quality

Origin Basaltic

Colour Blue

Cut Round Faceted

Content 1.20 carats

Dimensions 6.42mm (average diameter) x 3.30mm (depth)

Diamond Quality

Colour (average grades) H

Clarity (average grades) P1

Cut Old European

Content 0.54 carat

Number of Diamonds

20

Dimensions

Width of setting 1.23cm/0.48'

Height of setting 4.97mm/0.2'

Ring Size

UK Size M 1/2

USA Size 6 1/4

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

Weight

3.04 grams

Date: Circa 1935

A video is available upon request.

Physical Dimensions

Height

0.5cm (0.20")

Width

1.2cm (0.47")

Declaration

AC Silver has dated this Sapphire Diamond Cluster Ring to the 1930s.

Reference Numbers

Sellingantiques Reference

SA1135510

Dealers Internal Reference

C9149

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 and impressive antique 1.20 carat Basaltic sapphire and 0.

“

54 carat diamond, 18 carat yellow gold and platinum set ring; part of our diverse collection of antique sapphire rings.

AC Silver

This stunning, fine and impressive antique sapphire ring has been crafted in 18ct yellow gold with a platinum setting.

fig 1. An antique 18ct yellow gold ring featuring a central round blue sapphire encircled by a halo of bright diamonds set within a scalloped millegrain bezel. — fig 1. Antique 1.20ct Basaltic Sapphire and 0.54ct Diamond, 18ct Yellow Gold Ring Circa 1935

The circular cluster design is ornamented with a stunning feature collet set 1.20ct round faceted cut Basaltic sapphire.

The sapphire is surrounded by sixteen platinum set Old European cut diamonds in a millegrain decorated scalloped border.

fig 2. An antique 18ct yellow gold ring featuring a central round blue sapphire encircled by a halo of bright diamonds set within a scalloped millegrain bezel. — fig 2. Antique 1.20ct Basaltic Sapphire and 0.54ct Diamond, 18ct Yellow Gold Ring Circa 1935

The trifurcating ring shoulders incorporate platinum set paired leaf designs, each incorporating two further pavé set diamonds, integrating with the plain ring shank.

This sapphire ring has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as 18 carat gold and platinum.

fig 3. An antique 18ct yellow gold ring featuring a central round blue sapphire encircled by a halo of bright diamonds set within a scalloped millegrain bezel. — fig 3. Antique 1.20ct Basaltic Sapphire and 0.54ct Diamond, 18ct Yellow Gold Ring Circa 1935

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

A round sapphire cluster ring in yellow gold is a timeless symbol of loyalty and enduring love, making it an exceptional engagement choice. Favoured by royalty, its vintage charm offers a distinctive alternative to diamonds. This piece is ideal for 5th and 45th anniversaries, September birthdays or as a treasured heirloom and investment piece.

fig 4. An antique 18ct yellow gold ring featuring a central round blue sapphire encircled by a halo of bright diamonds set within a scalloped millegrain bezel. — fig 4. Antique 1.20ct Basaltic Sapphire and 0.54ct Diamond, 18ct Yellow Gold Ring Circa 1935

NOTE: * The Gemmological Certification Services (GCS) lab has verbally (report number 5785-0869) accredited the sapphire originating in Basaltic deposits and verifies that the gemstone shows no indications of heat treatment.

fig 5. An antique 18ct yellow gold ring featuring a central round blue sapphire encircled by a halo of bright diamonds set within a scalloped millegrain bezel. — fig 5. Antique 1.20ct Basaltic Sapphire and 0.54ct Diamond, 18ct Yellow Gold Ring 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 antique cluster ring is excellent quality, set with an impressive sapphire displaying fine colour, brilliance and presence.

fig 6. An antique 18ct yellow gold ring featuring a central round blue sapphire encircled by a halo of bright diamonds set within a scalloped millegrain bezel. — fig 6. Antique 1.20ct Basaltic Sapphire and 0.54ct Diamond, 18ct Yellow Gold Ring Circa 1935

The impressive high colour graded diamonds display a fine white colour and brilliance; although the diamonds are clarity graded at P1, they predominantly show no unsightly black inclusions.

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