What defines Art Deco jewellery from the 1930s?

Art Deco jewellery from the 1930s is characterised by geometric shapes, clean lines, and stylized natural motifs such as floral sprays. Platinum was the preferred metal due to its strength and neutral colour, often set with diamonds and contrasting coloured gemstones like sapphires, rubies, and emeralds.

Which materials were traditionally used in 1930s gemstone brooches?

1930s brooches were predominantly crafted from platinum or white gold to complement white diamonds. High-grade natural gemstones, including blue sapphires, baguette-cut diamonds, and brilliant-cut diamonds, were meticulously pave-set or claw-set into openwork metal frames.

How do you identify authentic Art Deco brooches?

Authentic Art Deco pieces typically feature platinum or gold hallmarks, precise hand-cut gemstones such as baguette or old European cuts, and intricate metalwork like millgrain edges or openwork gallery settings underneath the stones.

How can vintage jewellery and brooches be displayed in a modern interior?

Antique brooches are frequently displayed inside velvet-lined shadow boxes, mounted on fabric frames, or arranged atop vintage jewellery trays on dressing tables and vanity surfaces as decorative accents.

How should antique platinum and sapphire brooches be cared for and preserved?

Clean platinum and sapphire jewellery using warm water, mild liquid soap, and a soft-bristled brush. Store pieces individually in soft fabric pouches or velvet-lined boxes to prevent metal prongs and stones from scratching adjacent items.

for sale €5,792 $6,287

£4,950

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Vintage Platinum Brooch

Sapphire Diamond Brooch

Id #SA1188388

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Antique 2.48ct Sapphire and 2.80ct Diamond Platinum Brooch Circa 1935

Name: Antique 2.48ct Sapphire and 2.80ct Diamond Platinum Brooch Circa 1935
Brand: Antique
SKU: SA1188388
Price: 4950 GBP
Availability: InStock

1920 - 1940

For Sale by AC Silver

Description

A stunning, fine and impressive antique 2.48 carat sapphire, 2.80 carat diamond, platinum and 18 carat white gold spray brooch; part of our antique sapphire brooch collection.

This stunning, fine and impressive antique brooch has been crafted in platinum with 18ct white gold fittings.

The pierced decorated setting displays five floral heads, each ornamented with a central claw set round faceted cut sapphire; there is a further claw set sapphire representing a bud design.

Each quatrefoil-shaped flower head is embellished with twelve pavé set eight cut diamonds.

The scrolling leaves emanating from within the impressive spray design are embellished with eighty-two pavé set eight cut diamonds, in addition to protruding linear arrangements of channel set baguette cut diamonds.

The asymmetric floral design incorporates splayed graduating curvilinear arrangements to the lower portion, recreating the stems, in a combination of baguette and eight cut diamonds, completing the design.

This antique sapphire brooch secures to the reverse with a sprung-hinged double pin.

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

This impressive brooch is supplied with an IDGL diamond and gemstone grading report card.

This sapphire and diamond spray brooch in platinum is distinguished by its fluid organic design and serves as a definitive emblem of personal milestone and a sophisticated cornerstone for the curated portfolio.

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 in this floral brooch.

Condition

This impressive antique gemstone brooch is excellent quality, set with impressive sapphires displaying a fine vivid blue colour, brilliance and presence.

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

This antique sapphire and diamond brooch is an excellent gauge of platinum and gold, and is in excellent condition.

Reflections in photographs may detract from the true representation of this impressive sapphire floral brooch with diamonds.

Sapphire Quality

Colour Blue

Cut Round Faceted

Content 2.48 carats

Diamond Quality

Colour (average grades) H

Clarity (average grades) P1

Cut Baguette/Eight

Content 2.80 carats

Number of Diamonds

169

Dimensions

Length of setting 5.7cm/2.24'

Width of setting 3.8cm/1.5'

Across pin 2.4cm/0.94'

Height of setting 7.37mm/0.29'

Weight

17.55 grams

Date: Circa 1935

A video is available upon request.

Physical Dimensions

Height

0.7cm (0.28")

Width

3.8cm (1.50")

Depth

5.7cm (2.24")

Declaration

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

Reference Numbers

Sellingantiques Reference

SA1188388

Dealers Internal Reference

C9569

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 2.48 carat sapphire, 2.

“

80 carat diamond, platinum and 18 carat white gold spray brooch; part of our antique sapphire brooch collection.

AC Silver

This stunning, fine and impressive antique brooch has been crafted in platinum with 18ct white gold fittings.

fig 1. An Art Deco platinum brooch styled as a floral spray, set with round blue sapphires and accented with pave and baguette-cut diamonds. — fig 1. Antique 2.48ct Sapphire and 2.80ct Diamond Platinum Brooch Circa 1935

The pierced decorated setting displays five floral heads, each ornamented with a central claw set round faceted cut sapphire; there is a further claw set sapphire representing a bud design.

Each quatrefoil-shaped flower head is embellished with twelve pavé set eight cut diamonds.

fig 2. An Art Deco platinum brooch styled as a floral spray, set with round blue sapphires and accented with pave and baguette-cut diamonds. — fig 2. Antique 2.48ct Sapphire and 2.80ct Diamond Platinum Brooch Circa 1935

The scrolling leaves emanating from within the impressive spray design are embellished with eighty-two pavé set eight cut diamonds, in addition to protruding linear arrangements of channel set baguette cut diamonds.

fig 3. An Art Deco platinum brooch styled as a floral spray, set with round blue sapphires and accented with pave and baguette-cut diamonds. — fig 3. Antique 2.48ct Sapphire and 2.80ct Diamond Platinum Brooch Circa 1935

The asymmetric floral design incorporates splayed graduating curvilinear arrangements to the lower portion, recreating the stems, in a combination of baguette and eight cut diamonds, completing the design.

fig 4. An Art Deco platinum brooch styled as a floral spray, set with round blue sapphires and accented with pave and baguette-cut diamonds. — fig 4. Antique 2.48ct Sapphire and 2.80ct Diamond Platinum Brooch Circa 1935

This antique sapphire brooch secures to the reverse with a sprung-hinged double pin.

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

fig 5. An Art Deco platinum brooch styled as a floral spray, set with round blue sapphires and accented with pave and baguette-cut diamonds. — fig 5. Antique 2.48ct Sapphire and 2.80ct Diamond Platinum Brooch Circa 1935

This impressive brooch is supplied with an IDGL diamond and gemstone grading report card.

This sapphire and diamond spray brooch in platinum is distinguished by its fluid organic design and serves as a definitive emblem of personal milestone and a sophisticated cornerstone for the curated portfolio.

fig 6. An Art Deco platinum brooch styled as a floral spray, set with round blue sapphires and accented with pave and baguette-cut diamonds. — fig 6. Antique 2.48ct Sapphire and 2.80ct Diamond Platinum Brooch 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 in this floral brooch.

fig 7. An Art Deco platinum brooch styled as a floral spray, set with round blue sapphires and accented with pave and baguette-cut diamonds. — fig 7. Antique 2.48ct Sapphire and 2.80ct Diamond Platinum Brooch Circa 1935

Condition

This impressive antique gemstone brooch is excellent quality, set with impressive sapphires displaying a fine vivid blue colour, brilliance and presence.

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