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ID #SA1242370
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£7,950
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Antique 1.60ct Basaltic Sapphire and 0.98ct Diamond 18ct Yellow Gold Trilogy Ring Circa 1935
For sale by AC Silver
for sale €9,302     $10,097
£7,950
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
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Id #SA1242370
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Antique 1.60ct Basaltic Sapphire and 0.98ct Diamond 18ct Yellow Gold Trilogy Ring Circa 1935

1920 - 1940
For Sale by AC Silver
Description

A stunning, fine and impressive antique 1.60 carat Basaltic sapphire and 0.98 carat diamond, 18 carat yellow gold and 18 carat white gold set trilogy ring; part of our diverse antique sapphire jewellery and estate jewelry collections.

This stunning, fine and impressive antique sapphire and diamond trilogy ring has been crafted in 18ct yellow gold with an 18ct white gold setting.

The pierced decorated setting of this antique trilogy ring displays a feature eight claw set 1.60ct cushion cut Basaltic sapphire.

The sapphire is flanked on either side by a 0.50ct and a 0.48ct Old European cut diamond.

The elevated and pierced decorated ring shoulders integrate with the main setting and blend seamlessly with the plain ring shank.

This sapphire and diamond ring in white gold has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as 18 carat gold.

This impressive antique sapphire and diamond ring is supplied with two IDGL diamond grading report certificates for the feature stones, in addition to a certificate supplied by the Gemmological Certification Services (GCS), London*.

Traditionally representing a couple's past, present and future, the trilogy setting makes this ring particularly fitting for an engagement, milestone anniversary or vow renewal. As sapphire is the September birthstone, the ring makes a thoughtful choice for a landmark September birthday or other significant celebration. The warmth of yellow gold beautifully complements the rich colour of the sapphire and brilliance of the diamonds, giving the design timeless appeal.

NOTE: * This documentation accredits the sapphire originating in Basaltic deposits and certifies that the gemstone shows no indications of heating.

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 impressive trilogy ring is excellent quality, set with a stunning sapphire displaying a fine colour, brilliance and presence.

The impressive diamonds display a fine white colour and brilliance.

The sapphire trilogy ring is an excellent gauge of gold and is in excellent condition.

Reflections in photographs may detract from the true representation of this fine sapphire and diamond trilogy ring in yellow gold.

Sapphire Quality

Origin Basaltic Deposit

Colour Blue

Cut Cushion

Content 1.60 carats

Dimensions 6.60mm (length) x 6.40mm (width) x 3.90mm (depth)

Diamond Quality

Feature Diamond One

Colour I

Clarity VVS1

Cut Old European

Content 0.50 carat

Dimensions 5.10mm (length) x 5.08mm (width) x 3.05mm (depth)

Feature Diamond Two

Colour I

Clarity SI2

Cut Old European

Content 0.48 carat

Dimensions 5.00mm (length) x 4.99mm (width) x 3.02mm (depth)

Total Diamond Content

0.98 carat

Number of Diamonds

2

Dimensions

Length of setting 1.8cm/0.71'

Width of setting 7.56mm/0.3'

Height of setting 5.41mm/0.21'

Ring Size

UK Size J

USA Size 4 5/8

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

Weight

4.54 grams

Date: Circa 1935

SKU: C9939

Declaration

AC Silver has dated this Sapphire Diamond Trilogy Ring to the 1930s.

Reference Numbers
Sellingantiques Reference
SA1242370
Dealers Internal Reference
C9939
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 1.60 carat Basaltic sapphire and 0.
“
98 carat diamond, 18 carat yellow gold and 18 carat white gold set trilogy ring; part of our diverse antique sapphire jewellery and estate jewelry collections.
AC Silver
fig 1. An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings.
fig 1. Antique 1.60ct Basaltic Sapphire and 0.98ct Diamond 18ct Yellow Gold Trilogy Ring Circa 1935

This stunning, fine and impressive antique sapphire and diamond trilogy ring has been crafted in 18ct yellow gold with an 18ct white gold setting.

The pierced decorated setting of this antique trilogy ring displays a feature eight claw set 1.60ct cushion cut Basaltic sapphire.

fig 2. An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings.
fig 2. Antique 1.60ct Basaltic Sapphire and 0.98ct Diamond 18ct Yellow Gold Trilogy Ring Circa 1935

The sapphire is flanked on either side by a 0.50ct and a 0.48ct Old European cut diamond.

The elevated and pierced decorated ring shoulders integrate with the main setting and blend seamlessly with the plain ring shank.

fig 3. An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings.
fig 3. Antique 1.60ct Basaltic Sapphire and 0.98ct Diamond 18ct Yellow Gold Trilogy Ring Circa 1935

This sapphire and diamond ring in white gold has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as 18 carat gold.

This impressive antique sapphire and diamond ring is supplied with two IDGL diamond grading report certificates for the feature stones, in addition to a certificate supplied by the Gemmological Certification Services (GCS), London*.

fig 4. An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings.
fig 4. Antique 1.60ct Basaltic Sapphire and 0.98ct Diamond 18ct Yellow Gold Trilogy Ring Circa 1935

Traditionally representing a couple's past, present and future, the trilogy setting makes this ring particularly fitting for an engagement, milestone anniversary or vow renewal. As sapphire is the September birthstone, the ring makes a thoughtful choice for a landmark September birthday or other significant celebration. The warmth of yellow gold beautifully complements the rich colour of the sapphire and brilliance of the diamonds, giving the design timeless appeal.

fig 5. An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings.
fig 5. Antique 1.60ct Basaltic Sapphire and 0.98ct Diamond 18ct Yellow Gold Trilogy Ring Circa 1935

NOTE: * This documentation accredits the sapphire originating in Basaltic deposits and certifies that the gemstone shows no indications of heating.

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 6. An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings.
fig 6. Antique 1.60ct Basaltic Sapphire and 0.98ct Diamond 18ct Yellow Gold Trilogy Ring Circa 1935

Condition

This impressive trilogy ring is excellent quality, set with a stunning sapphire displaying a fine colour, brilliance and presence.

The impressive diamonds display a fine white colour and brilliance.

fig 7. An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings.
fig 7. Antique 1.60ct Basaltic Sapphire and 0.98ct Diamond 18ct Yellow Gold Trilogy Ring Circa 1935

The sapphire trilogy ring is an excellent gauge of gold and is in excellent condition.

Reflections in photographs may detract from the true representation of this fine sapphire and diamond trilogy ring in yellow gold.

fig 8. An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings.
fig 8. Antique 1.60ct Basaltic Sapphire and 0.98ct Diamond 18ct Yellow Gold Trilogy Ring Circa 1935

Sapphire Quality

Origin Basaltic Deposit

Colour Blue

Cut Cushion

Content 1.60 carats

Dimensions 6.60mm (length) x 6.40mm (width) x 3.90mm (depth)

Diamond Quality

Feature Diamond One

Colour I

Clarity VVS1

Cut Old European

fig 9. An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings.
fig 9. Antique 1.60ct Basaltic Sapphire and 0.98ct Diamond 18ct Yellow Gold Trilogy Ring Circa 1935

Content 0.50 carat

Dimensions 5.10mm (length) x 5.08mm (width) x 3.05mm (depth)

Feature Diamond Two

Colour I

Clarity SI2

Cut Old European

Content 0.48 carat

Dimensions 5.00mm (length) x 4.99mm (width) x 3.02mm (depth)

fig 10. An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings.
fig 10. Antique 1.60ct Basaltic Sapphire and 0.98ct Diamond 18ct Yellow Gold Trilogy Ring Circa 1935

Total Diamond Content

0.98 carat

Number of Diamonds

2

Dimensions

Length of setting 1.8cm/0.71'

Width of setting 7.56mm/0.3'

Height of setting 5.41mm/0.21'

Ring Size

UK Size J

USA Size 4 5/8

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

Weight

4.54 grams

Date: Circa 1935

SKU: C9939

Date of Manufacture

AC Silver has dated this Sapphire Diamond Trilogy Ring to the 1930s.

Reference Numbers
Sellingantiques Ref
SA1242370
Dealers Internal Ref
C9939
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 antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings.
1 / 16
Film
Film of Antique 1.60ct Basaltic Sapphire and 0.98ct Diamond 18ct Yellow Gold Trilogy Ring Circa 1935
Archive I An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings.

Antique 1.60ct Basaltic Sapphire and 0.98ct Diamond 18ct Yellow Gold Trilogy Ring Circa 1935

Film
Archive II An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings. View II
Archive III An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings. View III
Archive IV An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings. View IV
Archive V An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings. View V
Archive VI An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings. View VI
Archive VII An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings. View VII
Archive VIII An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings. View VIII
Archive IX An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings. View IX
Archive X An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings. View X
Archive XI An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings. View XI
Archive XII An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings. View XII
Archive XIII An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings. View XIII
Archive XIV An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings. View XIV
Archive XV An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings. View XV
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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 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
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An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings.
Antique 1.60ct Basaltic Sapphire and 0.98ct Diamond 18ct Yellow Gold Trilogy Ring Circa 1935
Ref: SA1242370
An antique 18ct yellow gold trilogy ring featuring a cushion-shaped blue sapphire flanked by two brilliant-cut diamonds in claw settings.
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Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1920 - 1940
  • StyleArt Deco
  • Material18ct Yellow Gold, Sapphire, Diamond
  • ColourYellow Gold, Blue, White
  • MotifsTrilogy setting, Cushion-cut sapphire, Claw setting, Yellow gold band

An antique 1930s Art Deco trilogy ring in 18ct yellow and white gold holds a cushion-cut blue basaltic sapphire flanked by two Old European cut white diamonds in claw settings. The pierced decorated setting includes elevated shoulders integrating with the plain yellow gold shank. The central blue gemstone measures 6.60mm in length by 6.40mm in width and 3.90mm in depth. Traditionally representing a couple's past, present, and future, the trilogy setting makes the piece suitable as an engagement ring, anniversary gift, or milestone celebration present. The combination of yellow and white gold matches various jewellery styles, while the slim band allows comfortable daily wear on the hand.

Trilogy rings, featuring three primary gemstones set in a row, traditionally symbolise the past, present, and future of a relationship. Popularised during the Victorian era and refined through the Art Deco period, this design prominently showcases central gemstones flanked by balancing side stones.

During the 1930s, trilogy rings were commonly crafted in 18ct yellow gold or platinum, often incorporating claw settings to secure central sapphires, rubies, or emeralds alongside brilliant-cut or old-cut diamonds.

Authentic pieces from this period feature characteristic hallmark stamps indicating gold purity, precise hand-cut gemstones such as old-cut diamonds or cushion-cut sapphires, and period-appropriate claw settings.

An antique trilogy ring serves as a statement engagement ring or standalone dress ring. It pairs well with contemporary yellow gold bands or simple modern jewellery to allow the central gemstones to remain the focal point.

Clean the ring gently using warm water, mild soap, and a soft-bristled toothbrush to remove debris around the settings. Avoid harsh chemicals or ultrasonic cleaners, and have the prongs inspected periodically by a qualified jeweller.
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