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Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist Ring Circa 1920
Sold by AC Silver
sold SA1153034
Sorry, but this item has been sold.
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
Browse dealers 467 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 #SA1153034
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Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist Ring Circa 1920

1900 - 1920
Sold by AC Silver
Sold 18 September 2025 · AC Silver
This “Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist Ring Circa 1920” 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 Art Deco 0.90 carat Colombian emerald, 1.20 carat diamond and platinum toi et moi ring; part of our diverse collection of twist engagement rings.

This stunning, fine and impressive antique toi et moi ring has been crafted in platinum.

The ring displays two impressive feature 0.45ct pear cut Colombian emeralds, claw set diagonally on a twist within a pierced decorated setting.

The twist design ring shoulders are embellished with sixteen channel set graduating emerald cut diamonds, totalling 1.20cts.

The shoulders integrate with the feature setting and blend seamlessly with the plain hallmarked ring shank.

This antique 1920s emerald and diamond ring is hallmarked to the interior with the maker's mark (YARD) and the platinum fineness mark (IRID.PLAT.).

This impressive emerald and diamond twist ring is supplied with an IDGL diamond and gemstone grading report card, in addition to an emerald report card and certificate supplied by the Gemmological Certification Services, London*.

This emerald and diamond twist ring has been crafted with very high graded diamonds, as to be expected from such a high regarded jewellery maker**.

A toi et moi emerald and diamond ring is a romantic symbol of union, ideal for engagements, anniversaries or Valentine's Day. With emerald as May's birthstone, it also makes a meaningful birthday gift. A timeless expression of love and connection.

NOTE: * This documentation accredits the emerald originating in Columbia and certifies that the gemstone shows a moderate amount of resin in fissures.

** Yard gained renown for exceptional materials and innovative design, elevating Art Deco with bold geometric compositions of coloured stones and diamonds. Celebrated in the 1920s, he also pioneered the repurposing of antique gems into striking modern settings.

'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.

Condition

This stunning ring is exceptional quality, set with impressive Colombian emeralds displaying fine colour, brilliance and presence.

The stunning very high colour and clarity diamonds display a fine white colour, brilliance and presence.

The ring is a superior gauge of platinum and is in exceptional condition, with clear hallmarks to the interior of the shank.

Reflections in photographs may detract from the true representation of this toi et moi ring with emeralds and diamonds.

Emerald Quality

Origin Colombia

Cut Pear

Content 0.90 carat

Dimensions 7.80mm (length) x 4.50mm (width) x 2.20mm (depth)

Dimensions 7.60mm (length) x 4.60mm (width) x 2.40mm (depth)

Diamond Quality

Colour (average grades) D

Clarity (average grades) VS1

Cut Baguette

Content 1.20 carats

Number of Diamonds

16

Dimensions

Width of setting 1.04cm/0.41'

Height of setting 5.77mm/0.23'

Ring Size

UK Size L

USA Size 5 1/2

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

Weight

5.64 grams

Date: Circa 1920

A video is available upon request.

Date of Manufacture

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

Physical Dimensions
Height
0.6cm (0.24")
Width
1cm (0.39")
Reference Numbers
Sellingantiques Reference
SA1153034
Dealers Internal Reference
C9311
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 Art Deco 0.90 carat Colombian emerald, 1.
“
20 carat diamond and platinum toi et moi ring; part of our diverse collection of twist engagement rings.
AC Silver

This stunning, fine and impressive antique toi et moi ring has been crafted in platinum.

fig 1. An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design.
fig 1. Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist Ring Circa 1920

The ring displays two impressive feature 0.45ct pear cut Colombian emeralds, claw set diagonally on a twist within a pierced decorated setting.

The twist design ring shoulders are embellished with sixteen channel set graduating emerald cut diamonds, totalling 1.20cts.

fig 2. An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design.
fig 2. Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist Ring Circa 1920

The shoulders integrate with the feature setting and blend seamlessly with the plain hallmarked ring shank.

This antique 1920s emerald and diamond ring is hallmarked to the interior with the maker's mark (YARD) and the platinum fineness mark (IRID.PLAT.).

fig 3. An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design.
fig 3. Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist Ring Circa 1920

This impressive emerald and diamond twist ring is supplied with an IDGL diamond and gemstone grading report card, in addition to an emerald report card and certificate supplied by the Gemmological Certification Services, London*.

fig 4. An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design.
fig 4. Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist Ring Circa 1920

This emerald and diamond twist ring has been crafted with very high graded diamonds, as to be expected from such a high regarded jewellery maker**.

A toi et moi emerald and diamond ring is a romantic symbol of union, ideal for engagements, anniversaries or Valentine's Day. With emerald as May's birthstone, it also makes a meaningful birthday gift. A timeless expression of love and connection.

fig 5. An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design.
fig 5. Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist Ring Circa 1920

NOTE: * This documentation accredits the emerald originating in Columbia and certifies that the gemstone shows a moderate amount of resin in fissures.

Yard gained renown for exceptional materials and innovative design, elevating Art Deco with bold geometric compositions of coloured stones and diamonds. Celebrated in the 1920s, he also pioneered the repurposing of antique gems into striking modern settings.

fig 6. An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design.
fig 6. Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist 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 7. An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design.
fig 7. Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist 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.

fig 8. An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design.
fig 8. Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist Ring Circa 1920

Condition

This stunning ring is exceptional quality, set with impressive Colombian emeralds displaying fine colour, brilliance and presence.

The stunning very high colour and clarity diamonds display a fine white colour, brilliance and presence.

fig 9. An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design.
fig 9. Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist Ring Circa 1920

The ring is a superior gauge of platinum and is in exceptional condition, with clear hallmarks to the interior of the shank.

Reflections in photographs may detract from the true representation of this toi et moi ring with emeralds and diamonds.

fig 10. An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design.
fig 10. Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist Ring Circa 1920

Emerald Quality

Origin Colombia

Cut Pear

Content 0.90 carat

Dimensions 7.80mm (length) x 4.50mm (width) x 2.20mm (depth)

Dimensions 7.60mm (length) x 4.60mm (width) x 2.40mm (depth)

Diamond Quality

Colour (average grades) D

fig 11. An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design.
fig 11. Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist Ring Circa 1920

Clarity (average grades) VS1

Cut Baguette

Content 1.20 carats

Number of Diamonds

16

Dimensions

Width of setting 1.04cm/0.41'

Height of setting 5.77mm/0.23'

Ring Size

UK Size L

USA Size 5 1/2

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

Weight

5.64 grams

Date: Circa 1920

A video is available upon request.

Date of Manufacture

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

Height
0.6cm (0.24")
Width
1cm (0.39")
Reference Numbers
Sellingantiques Ref
SA1153034
Dealers Internal Ref
C9311
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 two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. SOLD6+ MONTHS AGO
1 / 16
Archive I An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. SOLD6+ MONTHS AGO

Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist Ring Circa 1920

Archive II An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. View II
Archive III An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. View III
Archive IV An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. View IV
Archive V An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. View V
Archive VI An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. View VI
Archive VII An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. View VII
Archive VIII An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. View VIII
Archive IX An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. View IX
Archive X An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. View X
Archive XI An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. View XI
Archive XII An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. View XII
Archive XIII An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. View XIII
Archive XIV An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. View XIV
Archive XV An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. View XV
Archive XVI An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design. View XVI
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 467
Items Sold 113
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
467
Sold
113
An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design.
Antique Art Deco 0.90ct Colombian Emerald and 1.20ct Diamond, Platinum Twist Ring Circa 1920
Ref: SA1153034
An Art Deco platinum ring featuring two pear-cut Colombian emeralds set diagonally alongside channel-set baguette diamonds in a twist design.
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Archival Detail
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.
Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRing
  • Period1900 - 1920
  • StyleArt Deco
  • MaterialPlatinum, Emerald, Diamond
  • ColourGreen and Silver
  • MotifsToi et Moi design, Pear-cut emeralds, Baguette-cut diamonds, Geometric platinum setting
  • SizeH 0.6 cm (0 in) x W 1 cm (0 in)

Art Deco jewellery, prominent from the 1910s to the 1930s, is characterised by geometric symmetry, clean lines, strong contrasts, and a frequent preference for platinum paired with diamonds and vibrant coloured gemstones like emeralds.

Jewellers in the 1920s predominantly utilised platinum for its strength and bright white lustre, allowing for delicate settings that held diamonds and calibrated gemstones securely without overwhelming the design.

Authentic pieces typically feature period-appropriate stone cuts such as old European, baguette, or step cuts, hand-crafted platinum settings, and natural inclusions within gemstones consistent with historical mining locations like Colombia.

Vintage gemstone rings serve as focal points and pair well with minimalist modern attire or stacked alongside contemporary platinum bands for a personalised, high-contrast look.

Emeralds require gentle care and should never be cleaned using ultrasonic machines or harsh chemicals; instead, use warm soapy water and a soft brush, and store the piece separately to prevent scratching.
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