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ID #SA1053120
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£9,950
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Antique/vintage 48.34ct Aquamarine and 0.70ct Diamond 18ct Yellow Gold and Platinum Necklace
AC Silver
for sale €11,642     $12,637
£9,950
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
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    Welcome to ac silver antique silver and antique jewellery specialists since 1977
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Id #SA1053120
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Antique/vintage 48.34ct Aquamarine and 0.70ct Diamond 18ct Yellow Gold and Platinum Necklace

1900 - 1920
For Sale by AC Silver
Description

A stunning, fine and impressive, large 48.34 carat aquamarine and 0.70 carat diamond, platinum and 18 carat yellow gold necklace; part of our diverse aquamarine jewellery collections.

This magnificent, fine and impressive pendant has been crafted in platinum and 18ct yellow gold.

The drop style pendant is ornamented with a stunning and large vintage (circa 1940) claw set 48.34ct cushion cut aquamarine; the nature of the aquamarine cut allows the piece to sit flush in situ, this is a fine feature of the piece.

The feature platinum setting suspends via two chains from a yellow gold and platinum set vertical linear antique (circa 1900) diamond arrangement.

This array is comprised of an impressive millegrain decorated collet set 0.53ct Old European oval cut diamond, surmounted with a collet set 0.17ct Old European round cut diamond.

The pendant suspends from a contemporary 18' platinum chain via two ring loops to the upper border of the diamond setting, securing with a conventional spring-loaded bolt ring fastening to the reverse.

This large oval aquamarine pendant necklace has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum and 18ct gold.

This magnificent pendant is supplied with an IDGL diamond grading report certificate for the feature stone, in addition to an IDGL diamond and gemstone grading report card for the supporting stones.

Condition

This stunning pendant necklace is excellent quality, set with a stunning aquamarine displaying fine colour, brilliance and presence.

The impressive diamonds display a fine white colour and brilliance.

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

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

Aquamarine Quality

Cut Cushion

Content 48.34 carats

Dimensions 30.05mm (length) x 21.04mm (width) x 10.48mm (depth)

Diamond Quality

Feature Diamond One

Colour I

Clarity SI1

Cut Old European

Content 0.53 carat

Dimensions 5.09mm (length) x 5.07mm (width) x 3.05mm (depth)

Supporting Diamonds

Colour (average grades) H

Clarity (average grades) VS2

Cut Old European Round

Content 0.17 carat

Total Diamond Content

0.70 carat

Number of Diamonds

2

Dimensions

Length of drop 5.3cm/2.09'

Width of pendant 2.28cm/0.9'

Height of setting 1.09cm/0.43'

Chain length 45.72cm/18'

Weight

20.70 grams (including chain)

Date: Circa 1920

A video is available upon request.

Declaration

AC Silver has dated this Aquamarine Diamond Pendant Necklace to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1053120
Dealers Internal Reference
C8491
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, large 48.34 carat aquamarine and 0.
70 carat diamond, platinum and 18 carat yellow gold necklace; part of our diverse aquamarine jewellery collections.
AC Silver

This magnificent, fine and impressive pendant has been crafted in platinum and 18ct yellow gold.

fig 1. A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain.
fig 1. Antique/vintage 48.34ct Aquamarine and 0.70ct Diamond 18ct Yellow Gold and Platinum Necklace

The drop style pendant is ornamented with a stunning and large vintage (circa 1940) claw set 48.34ct cushion cut aquamarine; the nature of the aquamarine cut allows the piece to sit flush in situ, this is a fine feature of the piece.

fig 2. A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain.
fig 2. Antique/vintage 48.34ct Aquamarine and 0.70ct Diamond 18ct Yellow Gold and Platinum Necklace

The feature platinum setting suspends via two chains from a yellow gold and platinum set vertical linear antique (circa 1900) diamond arrangement.

This array is comprised of an impressive millegrain decorated collet set 0.53ct Old European oval cut diamond, surmounted with a collet set 0.17ct Old European round cut diamond.

fig 3. A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain.
fig 3. Antique/vintage 48.34ct Aquamarine and 0.70ct Diamond 18ct Yellow Gold and Platinum Necklace

The pendant suspends from a contemporary 18' platinum chain via two ring loops to the upper border of the diamond setting, securing with a conventional spring-loaded bolt ring fastening to the reverse.

fig 4. A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain.
fig 4. Antique/vintage 48.34ct Aquamarine and 0.70ct Diamond 18ct Yellow Gold and Platinum Necklace

This large oval aquamarine pendant necklace has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum and 18ct gold.

This magnificent pendant is supplied with an IDGL diamond grading report certificate for the feature stone, in addition to an IDGL diamond and gemstone grading report card for the supporting stones.

fig 5. A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain.
fig 5. Antique/vintage 48.34ct Aquamarine and 0.70ct Diamond 18ct Yellow Gold and Platinum Necklace

Condition

This stunning pendant necklace is excellent quality, set with a stunning aquamarine displaying fine colour, brilliance and presence.

The impressive diamonds display a fine white colour and brilliance.

fig 6. A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain.
fig 6. Antique/vintage 48.34ct Aquamarine and 0.70ct Diamond 18ct Yellow Gold and Platinum Necklace

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

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

fig 7. A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain.
fig 7. Antique/vintage 48.34ct Aquamarine and 0.70ct Diamond 18ct Yellow Gold and Platinum Necklace

Aquamarine Quality

Cut Cushion

Content 48.34 carats

Dimensions 30.05mm (length) x 21.04mm (width) x 10.48mm (depth)

Diamond Quality

Feature Diamond One

Colour I

Clarity SI1

Cut Old European

Content 0.53 carat

Dimensions 5.09mm (length) x 5.07mm (width) x 3.05mm (depth)

fig 8. A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain.
fig 8. Antique/vintage 48.34ct Aquamarine and 0.70ct Diamond 18ct Yellow Gold and Platinum Necklace

Supporting Diamonds

Colour (average grades) H

Clarity (average grades) VS2

Cut Old European Round

Content 0.17 carat

Total Diamond Content

0.70 carat

Number of Diamonds

2

Dimensions

Length of drop 5.3cm/2.09'

Width of pendant 2.28cm/0.9'

Height of setting 1.09cm/0.43'

Chain length 45.72cm/18'

Weight

20.70 grams (including chain)

Date: Circa 1920

A video is available upon request.

Date of Manufacture

AC Silver has dated this Aquamarine Diamond Pendant Necklace to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1053120
Dealers Internal Ref
C8491
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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A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain.
1 / 14
Archive I A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain.

Antique/vintage 48.34ct Aquamarine and 0.70ct Diamond 18ct Yellow Gold and Platinum Necklace

Archive II A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain. View II
Archive III A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain. View III
Archive IV A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain. View IV
Archive V A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain. View V
Archive VI A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain. View VI
Archive VII A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain. View VII
Archive VIII A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain. View VIII
Archive IX A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain. View IX
Archive X A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain. View X
Archive XI A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain. View XI
Archive XII A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain. View XII
Archive XIII A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain. View XIII
Archive XIV A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain. 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 459
Items Sold 103
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
459
Sold
103
A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain.
Antique/Vintage 48.34ct Aquamarine and 0.70ct Diamond 18ct Yellow Gold and Platinum Necklace
Ref: SA1053120
A large oval facet-cut light blue aquamarine pendant suspended from two diamonds set in platinum on a fine chain.
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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.
Our dealers are highly experienced in packing and shipping fragile, high-value antiques. Because you are in direct contact with the dealer, you will be able to easily go through all available shipping and insurance options together to ensure your item arrives safely.
Antiques are the ultimate green purchase. By choosing historical pieces over newly manufactured goods, you completely eliminate the carbon footprint of modern mass production while preserving exceptional, timeless craftsmanship.

Aquamarine jewellery gained immense popularity during the Edwardian and Art Deco eras, prized for its light blue hues and high clarity. Designers frequently set large faceted aquamarines in platinum and gold alongside accent diamonds to emphasise the gemstones natural brilliance.

Antique gemstone pendants frequently combine platinum or silver-topped gold settings to secure diamonds, paired with yellow gold mounts or chain connections. Claw and collet settings were traditionally hand-crafted to hold substantial focal stones securely.

Authentic pieces usually display hand-applied millegrain detailing, historic makers marks or fineness hallmarks, and period-specific cutting styles such as old-mine or transitional brilliant-cut accent diamonds. Settings often feature mixed metals like platinum fused to yellow gold.

A substantial gemstone pendant serves as a focal point when paired with understated evening attire or minimalist necklines. The cool blue tones pair effectively with neutral palettes, white silk, or dark tailoring.

Clean aquamarine gemstone jewellery gently using warm water, mild soap, and a soft-bristled brush. Store the piece separately in a fabric-lined box to prevent harder gemstones like diamonds from scratching the aquamarine surface.
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