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Retro Aquamarine Diamonds Tank Ring, 18kt Yellow Gold and Platinum, Circa 1940,
Sold by Heritagem
sold SA897813
Sorry, but this item has been sold.
Heritagem

Heritagem

Sellingantiques Verified Since Oct 2020
Browse dealers 28 items
  • Trade Associations
    Heritagem is a registered member of LAPADA  CINOA
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Id #SA897813
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Retro Aquamarine Diamonds Tank Ring, 18kt Yellow Gold and Platinum, Circa 1940,

1920 - 1940
Sold by Heritagem
Sold 30 January 2026 · Heritagem
This “Retro Aquamarine Diamonds Tank Ring, 18kt Yellow Gold and Platinum, Circa 1940” found a buyer.

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

Find more for sale
1940s Gold RingAquamarine Cocktail RingYellow Gold Platinum Ring Ask the dealer for something similar
Description

Weight: 8,7gr

Metal: 18kt yellow gold and platinum

Condition: Very Good

Stones: 1 Aquamarine

* Cut: Rectangular Step Cut

* Total carat weight: 90ct approximately

Others: 8 brilliant cut diamonds (total carat weight: 0.20ct approximately)

Comments: This Tank ring comes directly from the Retro period, circa 1940. It is set with a light-blue aquamarine weighing around 1.90ct. The precious stone is shouldered with 4 brilliant cut diamonds on each side. The ring is made in 18kt rose gold and platinum (tested). It is in very good vintage condition.

Dimensions: Height: 25.79mm / 1.01in

Length: 19.84mm / 0.78in

Width: 9.32mm / 0.36in

Ring size: Q - 57 ½-8

This ring can be resized if needed (don't hesitate to enquire).

All our items comes with either a gemmological report or a jewellery report with circa and all useful information.

Declaration

Heritagem has dated this Retro Aquamarine Tank Ring to the 1940s.

Reference Numbers
Sellingantiques Reference
SA897813
Dealers Internal Reference
9891
Dealers Notes

All our items come with either a gemmological report or a jewellery report with circa and all useful information.

Layaway are not accepted on sale items.

Returns are not accepted on sale items, on 50% off reduced items, and on items below $290 USD.

REFUND : Payment Processing fees will be deducted from the refund amount issued. Also if import or tax duties have to be paid upon return, these will be deducted from the refunded amount,

Description
Weight: 8,7gr

Metal: 18kt yellow gold and platinum

Condition: Very Good

Stones: 1 Aquamarine

Cut: Rectangular Step Cut

fig 1. An 18kt yellow gold and platinum retro tank ring featuring a central emerald-cut aquamarine flanked by small diamonds.
fig 1. Retro Aquamarine Diamonds Tank Ring, 18kt Yellow Gold and Platinum, Circa 1940,

Total carat weight: 90ct approximately

Others: 8 brilliant cut diamonds (total carat weight: 0.20ct approximately)

Comments: This Tank ring comes directly from the Retro period, circa 1940. It is set with a light-blue aquamarine weighing around 1.90ct. The precious stone is shouldered with 4 brilliant cut diamonds on each side. The ring is made in 18kt rose gold and platinum (tested). It is in very good vintage condition.

fig 2. An 18kt yellow gold and platinum retro tank ring featuring a central emerald-cut aquamarine flanked by small diamonds.
fig 2. Retro Aquamarine Diamonds Tank Ring, 18kt Yellow Gold and Platinum, Circa 1940,

Dimensions: Height: 25.79mm / 1.01in

Length: 19.84mm / 0.78in

Width: 9.32mm / 0.36in

Ring size: Q - 57 ½-8

This ring can be resized if needed (don't hesitate to enquire).

“
All our items comes with either a gemmological report or a jewellery report with circa and all useful information.
Heritagem
Date of Manufacture

Heritagem has dated this Retro Aquamarine Tank Ring to the 1940s.

Reference Numbers
Sellingantiques Ref
SA897813
Dealers Internal Ref
9891
Heritagem
Heritagem
Sellingantiques verified Since Oct 2020
Dealer Profile

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

Trade Associations

Heritagem is a registered member of LAPADA  CINOA

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SAVE
An 18kt yellow gold and platinum retro tank ring featuring a central emerald-cut aquamarine flanked by small diamonds. SOLD6+ MONTHS AGO
1 / 8
Archive I An 18kt yellow gold and platinum retro tank ring featuring a central emerald-cut aquamarine flanked by small diamonds. SOLD6+ MONTHS AGO

Retro Aquamarine Diamonds Tank Ring, 18kt Yellow Gold and Platinum, Circa 1940,

Archive II An 18kt yellow gold and platinum retro tank ring featuring a central emerald-cut aquamarine flanked by small diamonds. View II
Archive III An 18kt yellow gold and platinum retro tank ring featuring a central emerald-cut aquamarine flanked by small diamonds. View III
Archive IV An 18kt yellow gold and platinum retro tank ring featuring a central emerald-cut aquamarine flanked by small diamonds. View IV
Archive V An 18kt yellow gold and platinum retro tank ring featuring a central emerald-cut aquamarine flanked by small diamonds. View V
Archive VI An 18kt yellow gold and platinum retro tank ring featuring a central emerald-cut aquamarine flanked by small diamonds. View VI
Archive VII An 18kt yellow gold and platinum retro tank ring featuring a central emerald-cut aquamarine flanked by small diamonds. View VII
Archive VIII An 18kt yellow gold and platinum retro tank ring featuring a central emerald-cut aquamarine flanked by small diamonds. View VIII
Enlarged Archival View
Heritagem

Heritagem
Telephone 020 7193 2281
Location
New Bond Street
London
United Kingdom
Dealer Profile Page sellingantiques.co.uk/heritagem
Verified Since Oct 2020
Items For Sale 28
Items Sold 269
Heritagem
Heritagem
Verified Since Oct 2020
View Dealer Info
Location: New Bond Street, London , United Kingdom
Profile: sellingantiques.co.uk/heritagem
Verified
Oct 2020
For Sale
28
Sold
269
An 18kt yellow gold and platinum retro tank ring featuring a central emerald-cut aquamarine flanked by small diamonds.
Retro Aquamarine Diamonds Tank Ring, 18kt yellow gold and platinum, circa 1940,
Ref: SA897813
An 18kt yellow gold and platinum retro tank ring featuring a central emerald-cut aquamarine flanked by small diamonds.
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Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1920 - 1940
  • StyleRetro
  • Material18kt Yellow Gold, Platinum, Aquamarine, Diamond
  • ColourYellow Gold and Blue
  • MotifsEmerald-cut gemstone, Stepped shoulders, Bi-metal construction, Geometric channel settings

FAQs

The Retro jewellery era, spanning roughly from 1935 to 1950, was heavily influenced by WWII and machine-age aesthetics, often featuring bulky designs, bi-metal combinations of yellow gold and platinum, and large-scale gemstones.

Tank rings commonly utilise a combination of 18kt yellow gold and platinum settings, incorporating step-cut aquamarines or synthetic rubies alongside small brilliant or single-cut diamonds.

Authentic pieces typically exhibit chunky, architectural silhouettes inspired by military tanks, sturdy multi-claw or channel settings, and period-appropriate maker marks or hallmarks.

While jewellery is worn rather than placed in interiors, matching period accessories can be displayed on velvet-lined ring trays within a dressing room or vanity setup.

Aquamarines should be cleaned using warm soapy water and a soft brush, avoiding harsh chemical ultrasonic cleaners, while settings should be periodically checked by a jeweller for prong security.
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