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ID #SA1123259
FOR SALE
£24,950
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Antique 3.31 Carat Diamond and Platinum Solitaire Engagement Ring
For sale by AC Silver
for sale €29,192     $31,687
£24,950
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
Browse dealers 413 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 #SA1123259
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Antique 3.31 Carat Diamond and Platinum Solitaire Engagement Ring

1900 - 1920
For Sale by AC Silver
Description

A stunning, fine and impressive antique 3.31 carat diamond (total) and platinum solitaire ring; part of our diamond jewelry/estate jewelry collections.

This stunning, fine and impressive antique solitaire engagement ring has been crafted in platinum.

The pierced decorated four-claw setting displays a principal 3.03Ct Old European Round cut diamond.

The basket style setting is ornamented to the sides with twenty-four pavé set eight cut diamonds.

The elevated, pierced decorated ring shoulders are each set with six pavé set diamonds and meld seamlessly with the engraved scroll decorated shank.

The interior of the shank is hallmarked with the platinum mark (P.707) and has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum.

The antique diamond ring is supplied with an independent diamond grading certificate for the feature stone, in addition to an independent diamond grading report card for the supporting stones.

Such original antique rings with elaborate and desirable settings are becoming increasingly difficult to locate.

Images do not always reflect the true color and brilliance of gemstones and diamonds. The video however provides a truer representation of the actual color and showcases each stone in this antique 3 carat solitaire diamond ring.

Condition

This antique diamond engagement ring is excellent quality, set with a stunning feature diamond displaying fine brilliance and presence; larger diamonds such as this will often appear whiter than the color grading suggests. The impressive supporting diamonds display a fine white color and brilliance. The ring is an excellent gauge of platinum and is in excellent condition, with a clear hallmark to the interior of the shank.

Diamond Quality

Feature Diamond

Color M

Clarity VS1

Cut Old European

Content 3.03 carats

Dimensions 8.94mm (length) x 8.93mm (width) x 5.95mm (depth)

Supporting Diamonds

Color (average grades) H/I

Clarity (average grades) SI1/P1

Cut Eight

Content 0.28 carat

Total Diamond Content

3.31 carats

Number of Diamonds

37

Dimensions

Height of setting 7.23mm/0.28"

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

4.53 grams

Date: Circa 1920

Video: A video of this fine piece is available upon request.

Reflections in photographs may detract from the true representation of this antique 3 carat solitaire diamond ring.

Item Ref. SKU: C7371

A video is available upon request.

Physical Dimensions
Height
0.7cm (0.28")
Declaration

AC Silver has dated this Diamond Platinum Solitaire Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1123259
Dealers Internal Reference
C7371
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 3.
“
31 carat diamond (total) and platinum solitaire ring; part of our diamond jewelry/estate jewelry collections.
AC Silver

This stunning, fine and impressive antique solitaire engagement ring has been crafted in platinum.

fig 1. A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band.
fig 1. Antique 3.31 Carat Diamond and Platinum Solitaire Engagement Ring

The pierced decorated four-claw setting displays a principal 3.03Ct Old European Round cut diamond.

The basket style setting is ornamented to the sides with twenty-four pavé set eight cut diamonds.

The elevated, pierced decorated ring shoulders are each set with six pavé set diamonds and meld seamlessly with the engraved scroll decorated shank.

fig 2. A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band.
fig 2. Antique 3.31 Carat Diamond and Platinum Solitaire Engagement Ring

The interior of the shank is hallmarked with the platinum mark (P.707) and has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum.

The antique diamond ring is supplied with an independent diamond grading certificate for the feature stone, in addition to an independent diamond grading report card for the supporting stones.

fig 3. A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band.
fig 3. Antique 3.31 Carat Diamond and Platinum Solitaire Engagement Ring

Such original antique rings with elaborate and desirable settings are becoming increasingly difficult to locate.

Images do not always reflect the true color and brilliance of gemstones and diamonds. The video however provides a truer representation of the actual color and showcases each stone in this antique 3 carat solitaire diamond ring.

fig 4. A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band.
fig 4. Antique 3.31 Carat Diamond and Platinum Solitaire Engagement Ring

Condition

This antique diamond engagement ring is excellent quality, set with a stunning feature diamond displaying fine brilliance and presence; larger diamonds such as this will often appear whiter than the color grading suggests. The impressive supporting diamonds display a fine white color and brilliance. The ring is an excellent gauge of platinum and is in excellent condition, with a clear hallmark to the interior of the shank.

fig 5. A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band.
fig 5. Antique 3.31 Carat Diamond and Platinum Solitaire Engagement Ring

Diamond Quality

Feature Diamond

Color M

Clarity VS1

Cut Old European

Content 3.03 carats

Dimensions 8.94mm (length) x 8.93mm (width) x 5.95mm (depth)

Supporting Diamonds

Color (average grades) H/I

Clarity (average grades) SI1/P1

fig 6. A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band.
fig 6. Antique 3.31 Carat Diamond and Platinum Solitaire Engagement Ring

Cut Eight

Content 0.28 carat

Total Diamond Content

3.31 carats

Number of Diamonds

37

Dimensions

Height of setting 7.23mm/0.28"

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.

fig 7. A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band.
fig 7. Antique 3.31 Carat Diamond and Platinum Solitaire Engagement Ring

Weight

4.53 grams

Date: Circa 1920

Video: A video of this fine piece is available upon request.

Reflections in photographs may detract from the true representation of this antique 3 carat solitaire diamond ring.

Item Ref. SKU: C7371

A video is available upon request.

Height
0.7cm (0.28")
Date of Manufacture

AC Silver has dated this Diamond Platinum Solitaire Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1123259
Dealers Internal Ref
C7371
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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SAVE
A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band.
1 / 8
Archive I A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band.

Antique 3.31 Carat Diamond and Platinum Solitaire Engagement Ring

Archive II A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band. View II
Archive III A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band. View III
Archive IV A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band. View IV
Archive V A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band. View V
Archive VI A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band. View VI
Archive VII A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band. View VII
Archive VIII A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band. View VIII
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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 413
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
413
Sold
110
A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band.
Antique 3.31 Carat Diamond and Platinum Solitaire Engagement Ring
Ref: SA1123259
A platinum solitaire ring featuring a large round diamond secured by multi-claw prongs on a hand-engraved decorative band.
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Archival Detail
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Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco
  • MaterialPlatinum, Diamond
  • ColourSilver, White
  • MotifsClaw setting, Millegrain edging, Engraved shoulders, Openwork basket
  • SizeH 0.7 cm (0 in)

This 1920 Art Deco solitaire engagement ring is made of platinum with silver and white colours, featuring a large round diamond in a multi-claw setting, millegrain edging on the mounts, and engraved scroll decoration along the shoulders and shank. Hallmarks appear on the interior of the shank, and twenty-four pavé set eight-cut diamonds ornament the basket alongside six pavé set diamonds on each shoulder. The piece has an overall height of 0.7 cm. Suitable for modern wear as a statement engagement ring or formal dress ring, the item brings period detail to contemporary jewellery collections. The design combines a prominent central stone with intricate metalwork, making it appropriate for daily use when handled with care appropriate for antique platinum pieces.

Art Deco solitaire engagement rings typically feature a single focal diamond set in white metals such as platinum or white gold, accented by geometric engraving, millegrain detail, or pierced basket mountings popular during the 1920s and 1930s.

Jewellers during this era favoured platinum for its strength and neutral tone, pairing it with natural diamonds secured by fine claw mountings and decorative hand-engraved shanks.

Authentic period rings can be identified by hand-carved engraved detailing, millegrain edging, specific period cut diamonds such as Old European cuts, and official platinum purity hallmarks stamped inside the band.

Antique diamond solitaire rings integrate seamlessly into contemporary fashion when worn as standalone focal pieces or paired alongside minimal modern band rings to highlight historical craftsmanship.

Clean the ring using warm water, mild soap, and a soft-bristled brush, avoiding harsh chemicals or ultrasonic cleaners if the setting contains intricate historical engraving.
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