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ID #SA1236147
FOR SALE
£4,950
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Antique 0.50ct Emerald and 0.90ct Diamond Platinum Ring Circa 1920
For sale by AC Silver
for sale €5,792     $6,287
£4,950
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
Browse dealers 370 items
  • About Us
    Welcome to ac silver antique silver and antique jewellery specialists since 1977
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    AC Silver is a registered member of LAPADA  CINOA
Id #SA1236147
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Antique 0.50ct Emerald and 0.90ct Diamond Platinum Ring Circa 1920

1900 - 1920
For Sale by AC Silver
Description

A stunning, fine and impressive antique 0.50 carat emerald and 0.90 carat diamond, platinum square dress ring; part of our emerald jewellery collection.

This stunning, fine and impressive antique emerald and diamond ring has been crafted in platinum.

The pierced decorated, cluster design is ornamented with a feature collet set 0.50ct emerald cut emerald.

The feature emerald is encompassed with two bands of pavé set eight cut diamonds.

The tapering ring shoulders are ornamented with a sixteen pavé set diamonds, integrating with the feature setting and blending seamlessly with the plain ring shank.

This impressive emerald and diamond dress ring has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum.

This unisex emerald diamond ring is supplied with an IDGL diamond and gemstone grading report card.

This square emerald cluster ring in platinum is particularly appropriate for milestone birthdays, anniversaries or significant personal achievements. It can also work beautifully as a non-traditional engagement ring, especially for someone drawn to coloured gemstones and antique-inspired designs, as emerald rings have long been chosen for engagement jewellery due to their uniqueness and rich symbolism.

'Rather than regarding inclusions in coloured stones as harmful, in small sizes and numbers that do not in any way detract from their beauty, they should be regarded as adding to desirability, for they provide identifying characteristics.'

Reference: The Connoisseur's Guide to Precious Gemstones, R. Wise, Brunswick House Press.

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 1920s emerald and diamond ring.

Condition

This stunning antique ring is excellent quality, set with an impressive emerald displaying a fine colour, brilliance and presence.

The impressive high colour graded diamonds display a fine white colour and brilliance; although average clarity graded at P1, as often the case with such antique multi-diamond rings, the diamonds face up white and brilliant.

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

The ring has a fine and delicate shank, which is often the case with original antique rings.

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

Emerald Quality

Cut Emerald

Content 0.50 carat

Dimensions 6.80mm (length) x 6.72mm (width) x 2.81mm (depth)

Diamond Quality

Colour (average grades) H

Clarity (average grades) P1

Cut Eight

Content 0.90 carat

Number of Diamonds

78

Dimensions

Width of setting 1.36cm/0.53'

Height of setting 4.36mm/0.17'

Ring Size

UK Size N

USA Size 6 1/2

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

Weight

4.94 grams

Date: Circa 1920

SKU: C9776

Declaration

AC Silver has dated this Art Deco Emerald Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1236147
Dealers Internal Reference
C9776
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 0.50 carat emerald and 0.90 carat diamond, platinum square dress ring; part of our emerald jewellery collection.

This stunning, fine and impressive antique emerald and diamond ring has been crafted in platinum.

fig 1. An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds.
fig 1. Antique 0.50ct Emerald and 0.90ct Diamond Platinum Ring Circa 1920

The pierced decorated, cluster design is ornamented with a feature collet set 0.50ct emerald cut emerald.

The feature emerald is encompassed with two bands of pavé set eight cut diamonds.

“
The tapering ring shoulders are ornamented with a sixteen pavé set diamonds, integrating with the feature setting and blending seamlessly with the plain ring shank.
AC Silver
fig 2. An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds.
fig 2. Antique 0.50ct Emerald and 0.90ct Diamond Platinum Ring Circa 1920

This impressive emerald and diamond dress ring has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum.

This unisex emerald diamond ring is supplied with an IDGL diamond and gemstone grading report card.

fig 3. An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds.
fig 3. Antique 0.50ct Emerald and 0.90ct Diamond Platinum Ring Circa 1920

This square emerald cluster ring in platinum is particularly appropriate for milestone birthdays, anniversaries or significant personal achievements. It can also work beautifully as a non-traditional engagement ring, especially for someone drawn to coloured gemstones and antique-inspired designs, as emerald rings have long been chosen for engagement jewellery due to their uniqueness and rich symbolism.

fig 4. An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds.
fig 4. Antique 0.50ct Emerald and 0.90ct Diamond Platinum Ring Circa 1920

'Rather than regarding inclusions in coloured stones as harmful, in small sizes and numbers that do not in any way detract from their beauty, they should be regarded as adding to desirability, for they provide identifying characteristics.'

fig 5. An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds.
fig 5. Antique 0.50ct Emerald and 0.90ct Diamond Platinum Ring Circa 1920

Reference: The Connoisseur's Guide to Precious Gemstones, R. Wise, Brunswick House Press.

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 1920s emerald and diamond ring.

fig 6. An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds.
fig 6. Antique 0.50ct Emerald and 0.90ct Diamond Platinum Ring Circa 1920

Condition

This stunning antique ring is excellent quality, set with an impressive emerald displaying a fine colour, brilliance and presence.

The impressive high colour graded diamonds display a fine white colour and brilliance; although average clarity graded at P1, as often the case with such antique multi-diamond rings, the diamonds face up white and brilliant.

fig 7. An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds.
fig 7. Antique 0.50ct Emerald and 0.90ct Diamond Platinum Ring Circa 1920

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

The ring has a fine and delicate shank, which is often the case with original antique rings.

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

fig 8. An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds.
fig 8. Antique 0.50ct Emerald and 0.90ct Diamond Platinum Ring Circa 1920

Emerald Quality

Cut Emerald

Content 0.50 carat

Dimensions 6.80mm (length) x 6.72mm (width) x 2.81mm (depth)

Diamond Quality

Colour (average grades) H

Clarity (average grades) P1

Cut Eight

Content 0.90 carat

Number of Diamonds

78

Dimensions

Width of setting 1.36cm/0.53'

Height of setting 4.36mm/0.17'

Ring Size

UK Size N

USA Size 6 1/2

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

Weight

4.94 grams

Date: Circa 1920

SKU: C9776

Date of Manufacture

AC Silver has dated this Art Deco Emerald Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1236147
Dealers Internal Ref
C9776
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 Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds.
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Film
Film of Antique 0.50ct Emerald and 0.90ct Diamond Platinum Ring Circa 1920
Archive I An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds.

Antique 0.50ct Emerald and 0.90ct Diamond Platinum Ring Circa 1920

Film
Archive II An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds. View II
Archive III An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds. View III
Archive IV An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds. View IV
Archive V An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds. View V
Archive VI An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds. View VI
Archive VII An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds. View VII
Archive VIII An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds. View VIII
Archive IX An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds. View IX
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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 370
Items Sold 110
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
370
Sold
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An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds.
Antique 0.50ct Emerald and 0.90ct Diamond Platinum Ring Circa 1920
Ref: SA1236147
An Art Deco platinum ring featuring a central square green emerald surrounded by geometric concentric halos of brilliant-cut diamonds.
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Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco
  • MaterialPlatinum, Emerald, Diamond
  • ColourSilver, Green
  • MotifsGeometric halo, milgrain edges, step-cut emerald, plaque setting

This Art Deco platinum ring dates from 1920. The cluster design centres on a square green emerald in a collet setting, surrounded by two concentric bands of pavé-set diamonds within a geometric halo. Milgrain edges outline the tiers, and tapering shoulders hold further pavé-set diamonds that blend into the plain ring shank. The entire setting measures 1.36 cm in width. Appropriate for milestone birthdays, anniversaries, significant personal achievements, or as a non-traditional engagement ring, the piece works well for daily wear on the hand. The silver metal and green gemstone complement a variety of personal styles, making the jewellery suitable for formal occasions and everyday accessorising alike. The piece is kept in a jewellery box or worn directly on the hand when displayed or used.

Art Deco jewellery from the 1920s is defined by geometric symmetry, bold angular shapes, and structural precision. Influenced by modernism and industrial design, pieces from this era frequently feature contrasting gemstones, platinum settings, and fine decorative techniques such as milgrain bordering.

Platinum became the dominant metal during the Art Deco era due to its strength, allowing jewellers to create intricate, lace-like settings with minimal visible metal. Fine coloured gemstones such as emeralds, sapphires, and rubies were commonly paired with diamonds to create striking visual contrast.

Authentic Art Deco rings typically feature hand-applied milgrain detailing, geometric or octagonal settings, and period-specific gemstone cuts such as step cuts, old European cuts, or single cuts. Hallmarks, makers marks, and evidence of hand-fabrication rather than modern casting also assist in identification.

Geometric Art Deco rings transition easily into modern wardrobes by functioning as statement dress pieces. The cool tone of platinum paired with vivid gemstones allows them to complement structured contemporary tailoring as well as minimalist evening attire.

Emeralds require gentle care as they often contain natural inclusions; they should never be cleaned in ultrasonic or steam cleaners. Clean the setting using a soft brush, mild soap, and warm water, and store the piece separately in a fabric-lined box to prevent harder gemstones like diamonds from scratching the surfaces.
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