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Antique 1.52ct Aquamarine and 2.92ct Diamond, 18ct White Gold Double Clip Brooch Circa 1925
Sold by AC Silver
sold SA1109736
Sorry, but this item has been sold.
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
Browse dealers 472 items
  • About Us
    Welcome to ac silver antique silver and antique jewellery specialists since 1977
  • Trade Associations
    AC Silver is a registered member of LAPADA  CINOA
Id #SA1109736
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Antique 1.52ct Aquamarine and 2.92ct Diamond, 18ct White Gold Double Clip Brooch Circa 1925

1900 - 1920
Sold by AC Silver
Sold 13 July 2026 · AC Silver
This “Antique 1.52ct Aquamarine and 2.92ct Diamond, 18ct White Gold Double Clip Brooch Circa 1925” found a buyer.

It was listed by AC Silver. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.

Description

A stunning, fine and impressive antique 1.52 carat aquamarine and 2.92 carat diamond, 18 carat white gold and platinum set double clip brooch; part of our antique 1920s jewellery collections.

This stunning, fine and impressive antique 1920s brooch has been crafted in 18ct white gold with a platinum setting.

The pierced decorated, double clip brooch setting displays two feature collet set cushion cut aquamarines.

The segmented frame is embellished with sixty Old European round cut diamonds, in a combination of collet and pavé settings, creating a tiered Art Deco design.

The geometric design may be unclipped and separated into two individual clip brooches via a pierced decorated removable frame to the reverse.

The antique brooch as a whole secures with a hinged pin fastening to the reverse of the removable frame; when separated the brooches secure with a double pronged hinged clip fastening.

This impressive aquamarine and diamond double clip brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as 18 carat gold and platinum.

This stunning antique brooch is supplied with an IDGL diamond grading report card.

Such double clip brooches set with aquamarines are becoming increasingly difficult to locate.

NOTE: The duette (or double clip) style brooch increased in popularity in the first half of the twentieth century; they flourished during the Art Deco and Art Nouveau movements due to the use of symmetry of organic designs. Due to their versatility, they can be simply worn as an eye-catching single brooch, whereas the two matching brooches could be utilised as collar clips, hat clips, shoes clips, and hair clips.

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 brooch is exceptional quality, set with an impressive aquamarine displaying fine colour and brilliance.

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

The brooch is an excellent gauge of gold and is in excellent condition, with a clear French import mark to the rim of the setting.

Reflections in photographs may detract from the true representation of this fine example of antique aquamarine jewellery/estate jewelry.

Aquamarine Quality

Cut Cushion

Content 1.52 carats

Diamond Quality

Colour (average grades) H

Clarity (average grades) SI2

Cut Old European

Content 2.92 carats

Number of Diamonds

60

Dimensions

Length of setting 4.3cm/1.69'

Width of setting 1.82cm/0.71'

Across pin 2.8cm/1.1'

Height of setting 6.94mm/0.27'

Weight

17.53 grams

Date: Circa 1925

A video is available upon request.

Date of Manufacture

AC Silver has dated this Art Deco Diamond Brooch to the 1920s.

Physical Dimensions
Height
0.7cm (0.28")
Width
1.8cm (0.71")
Depth
4.3cm (1.69")
Reference Numbers
Sellingantiques Reference
SA1109736
Dealers Internal Reference
C8989
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 1.52 carat aquamarine and 2.
“
92 carat diamond, 18 carat white gold and platinum set double clip brooch; part of our antique 1920s jewellery collections.
AC Silver

This stunning, fine and impressive antique 1920s brooch has been crafted in 18ct white gold with a platinum setting.

fig 1. An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds.
fig 1. Antique 1.52ct Aquamarine and 2.92ct Diamond, 18ct White Gold Double Clip Brooch Circa 1925

The pierced decorated, double clip brooch setting displays two feature collet set cushion cut aquamarines.

The segmented frame is embellished with sixty Old European round cut diamonds, in a combination of collet and pavé settings, creating a tiered Art Deco design.

fig 2. An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds.
fig 2. Antique 1.52ct Aquamarine and 2.92ct Diamond, 18ct White Gold Double Clip Brooch Circa 1925

The geometric design may be unclipped and separated into two individual clip brooches via a pierced decorated removable frame to the reverse.

The antique brooch as a whole secures with a hinged pin fastening to the reverse of the removable frame; when separated the brooches secure with a double pronged hinged clip fastening.

fig 3. An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds.
fig 3. Antique 1.52ct Aquamarine and 2.92ct Diamond, 18ct White Gold Double Clip Brooch Circa 1925

This impressive aquamarine and diamond double clip brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as 18 carat gold and platinum.

This stunning antique brooch is supplied with an IDGL diamond grading report card.

fig 4. An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds.
fig 4. Antique 1.52ct Aquamarine and 2.92ct Diamond, 18ct White Gold Double Clip Brooch Circa 1925

Such double clip brooches set with aquamarines are becoming increasingly difficult to locate.

NOTE: The duette (or double clip) style brooch increased in popularity in the first half of the twentieth century; they flourished during the Art Deco and Art Nouveau movements due to the use of symmetry of organic designs. Due to their versatility, they can be simply worn as an eye-catching single brooch, whereas the two matching brooches could be utilised as collar clips, hat clips, shoes clips, and hair clips.

fig 5. An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds.
fig 5. Antique 1.52ct Aquamarine and 2.92ct Diamond, 18ct White Gold Double Clip Brooch Circa 1925

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 brooch is exceptional quality, set with an impressive aquamarine displaying fine colour and brilliance.

fig 6. An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds.
fig 6. Antique 1.52ct Aquamarine and 2.92ct Diamond, 18ct White Gold Double Clip Brooch Circa 1925

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

The brooch is an excellent gauge of gold and is in excellent condition, with a clear French import mark to the rim of the setting.

fig 7. An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds.
fig 7. Antique 1.52ct Aquamarine and 2.92ct Diamond, 18ct White Gold Double Clip Brooch Circa 1925

Reflections in photographs may detract from the true representation of this fine example of antique aquamarine jewellery/estate jewelry.

Aquamarine Quality

Cut Cushion

Content 1.52 carats

Diamond Quality

Colour (average grades) H

fig 8. An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds.
fig 8. Antique 1.52ct Aquamarine and 2.92ct Diamond, 18ct White Gold Double Clip Brooch Circa 1925

Clarity (average grades) SI2

Cut Old European

Content 2.92 carats

Number of Diamonds

60

Dimensions

Length of setting 4.3cm/1.69'

Width of setting 1.82cm/0.71'

Across pin 2.8cm/1.1'

Height of setting 6.94mm/0.27'

Weight

17.53 grams

Date: Circa 1925

A video is available upon request.

Date of Manufacture

AC Silver has dated this Art Deco Diamond Brooch to the 1920s.

Height
0.7cm (0.28")
Width
1.8cm (0.71")
Depth
4.3cm (1.69")
Reference Numbers
Sellingantiques Ref
SA1109736
Dealers Internal Ref
C8989
AC Silver
AC Silver
Sellingantiques verified Since Apr 2009

Welcome to ac silver antique silver and antique jewellery specialists since 1977

Dealer Profile

You can view the stock and full dealer information on the AC Silver Profile Page

Trade Associations

AC Silver is a registered member of LAPADA  CINOA

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An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds. SOLD13 JUL 26
1 / 14
Archive I An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds. SOLD13 JUL 26

Antique 1.52ct Aquamarine and 2.92ct Diamond, 18ct White Gold Double Clip Brooch Circa 1925

Archive II An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds. View II
Archive III An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds. View III
Archive IV An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds. View IV
Archive V An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds. View V
Archive VI An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds. View VI
Archive VII An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds. View VII
Archive VIII An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds. View VIII
Archive IX An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds. View IX
Archive X An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds. View X
Archive XI An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds. View XI
Archive XII An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds. View XII
Archive XIII An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds. View XIII
Archive XIV An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds. View XIV
Enlarged Archival View
Telephone 0191 240 2645
Location
35B St Georges Terrace
Jesmond
Newcastle Upon Tyne
Tyne and Wear
NE2 2SU
United Kingdom
Dealer Profile Page sellingantiques.co.uk/ac
Verified Since Apr 2009
Items For Sale 472
Items Sold 116
AC Silver
AC Silver
Verified Since Apr 2009
View Dealer Info
Location: 35B St Georges Terrace, Jesmond, Newcastle Upon Tyne, Tyne and Wear, NE2 2SU, United Kingdom
Verified
Apr 2009
For Sale
472
Sold
116
An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds.
Antique 1.52ct Aquamarine and 2.92ct Diamond, 18ct White Gold Double Clip Brooch Circa 1925
Ref: SA1109736
An antique Art Deco 18ct white gold double clip brooch featuring central round aquamarines surrounded by pave-set diamonds.
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Every single antique dealer on our platform is individually approved by our internal team. We verify their professional trade history, ethical standards, and photographic quality to ensure a secure, high-standard buying environment. Upon joining, every dealer agrees to a strict 9-point code of conduct. While issues can occasionally arise, our dealers typically resolve them swiftly and directly with the buyer. In fact, since our founding in 2002, Sellingantiques has only had to step in to help resolve an issue on roughly five occasions—a true testament to the quality of our dealers and their dedication to your happiness.
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Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectBrooches and Pins
  • Period1900 - 1920
  • StyleArt Deco
  • Material18ct White Gold, Aquamarine, Diamond
  • ColourSilver and Blue
  • MotifsGeometric symmetry, Millegrain setting, Pave-set diamonds, Convertible double clip
  • SizeH 0.7 cm (0 in) x W 1.8 cm (1 in) x D 4.3 cm (2 in)

Art Deco jewellery is characterised by geometric symmetry, stylised motifs, clean lines, and a heavy emphasis on white metals paired with contrasting gemstones.

Master jewellers during this era predominantly utilised platinum and high-karat white gold, frequently mounting them with brilliant-cut diamonds and vibrant coloured accent stones like aquamarine.

Authentic pieces typically feature period-correct setting techniques such as millegrain detailing, hand-pierced openwork under-galleries, and secure double-prong or specialized clip mechanisms distinctive to the 1920s.

Such versatile pieces can be worn pinned traditionally to a lapel, fastened at the neckline of a minimalist dress, or separated into individual clips to secure a silk scarf or lapels.

Store pieces individually in soft pouches away from direct sunlight, avoid harsh chemical ultrasonic cleaners, and have the prongs professionally checked periodically to ensure gemstone security.
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