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ID #SA1191127
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£17,950
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Antique/vintage 6.10ct Basaltic Sapphire and 2.65ct Diamond 18ct Yellow Gold Ring
AC Silver
for sale €21,002     $22,797
£17,950
AC Silver

AC Silver

Sellingantiques Verified Since Apr 2009
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Id #SA1191127
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Antique/vintage 6.10ct Basaltic Sapphire and 2.65ct Diamond 18ct Yellow Gold Ring

1900 - 1920
For Sale by AC Silver
Description

A magnificent, fine and impressive 6.10 carat Basaltic sapphire and 2.65 carat diamond, 18 carat yellow gold and platinum set ring; part of our sapphire jewellery collection.

This stunning, fine and impressive antique sapphire cluster ring has been crafted in 18ct yellow gold with a platinum setting.

The circular cluster design is ornamented with a stunning feature antique (circa 1925) claw set 6.10ct round faceted cut Basaltic sapphire.

The sapphire is surrounded by ten impressive claw set Old European cut diamonds.

The elevated, tapering ring shoulders blend seamlessly with the plain hallmarked ring shank; the gemstones have been remounted to this exceptional vintage setting.

This sapphire and diamond cluster ring is hallmarked to the interior of the shank with gold guarantee mark (crown), the 18ct fineness mark (750) and two further indeterminable British marks; the piece has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as 18 carat gold and platinum.

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

Such stunning and large sapphires, in this high colour grade and clarity, are becoming increasingly difficult to locate; this ring is the finest of its type you could hope to acquire.

This sapphire and diamond cluster ring in yellow gold combines timeless elegance with rich symbolism, making it a meaningful choice for anniversaries, milestone birthdays, or a distinctive engagement ring.

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

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 gold sapphire cluster ring.

Condition

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

The impressive high colour graded diamonds display a fine white colour and brilliance.

This blue sapphire cluster ring is an excellent gauge of gold and platinum and is in excellent condition.

The British hallmarks to the interior of the shank are partially clear.

Reflections in photographs may detract from the true representation of this stunning example of sapphire jewellery.

Sapphire Quality

Origin Basaltic Deposit

Colour Blue

Cut Round Faceted

Content 6.10 carats

Dimensions 10.40mm (length) x 10.40mm (width) x 7.00mm (depth)

Diamond Quality

Colour (average grades) H

Clarity (average grades) SI2

Cut Old European

Content 2.65 carats

Number of Diamonds

10

Dimensions

Length of setting 1.93cm/0.76'

Width of setting 1.77cm/0.7'

Height of setting 7.7mm/0.3'

Ring Size

UK Size L 1/2

USA Size 5 1/2

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

Weight

7.38 grams

Date: Sapphire and Diamonds Circa 1925/Shank Vintage

A video is available upon request.

Physical Dimensions
Height
0.8cm (0.31")
Width
1.8cm (0.71")
Depth
1.9cm (0.75")
Declaration

AC Silver has dated this Sapphire Diamond Cluster Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1191127
Dealers Internal Reference
C9591
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 magnificent, fine and impressive 6.10 carat Basaltic sapphire and 2.
65 carat diamond, 18 carat yellow gold and platinum set ring; part of our sapphire jewellery collection.
AC Silver

This stunning, fine and impressive antique sapphire cluster ring has been crafted in 18ct yellow gold with a platinum setting.

fig 1. A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band.
fig 1. Antique/vintage 6.10ct Basaltic Sapphire and 2.65ct Diamond 18ct Yellow Gold Ring

The circular cluster design is ornamented with a stunning feature antique (circa 1925) claw set 6.10ct round faceted cut Basaltic sapphire.

The sapphire is surrounded by ten impressive claw set Old European cut diamonds.

fig 2. A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band.
fig 2. Antique/vintage 6.10ct Basaltic Sapphire and 2.65ct Diamond 18ct Yellow Gold Ring

The elevated, tapering ring shoulders blend seamlessly with the plain hallmarked ring shank; the gemstones have been remounted to this exceptional vintage setting.

This sapphire and diamond cluster ring is hallmarked to the interior of the shank with gold guarantee mark (crown), the 18ct fineness mark (750) and two further indeterminable British marks; the piece has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as 18 carat gold and platinum.

fig 3. A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band.
fig 3. Antique/vintage 6.10ct Basaltic Sapphire and 2.65ct Diamond 18ct Yellow Gold Ring

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

fig 4. A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band.
fig 4. Antique/vintage 6.10ct Basaltic Sapphire and 2.65ct Diamond 18ct Yellow Gold Ring

Such stunning and large sapphires, in this high colour grade and clarity, are becoming increasingly difficult to locate; this ring is the finest of its type you could hope to acquire.

This sapphire and diamond cluster ring in yellow gold combines timeless elegance with rich symbolism, making it a meaningful choice for anniversaries, milestone birthdays, or a distinctive engagement ring.

fig 5. A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band.
fig 5. Antique/vintage 6.10ct Basaltic Sapphire and 2.65ct Diamond 18ct Yellow Gold Ring

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

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 gold sapphire cluster ring.

fig 6. A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band.
fig 6. Antique/vintage 6.10ct Basaltic Sapphire and 2.65ct Diamond 18ct Yellow Gold Ring

Condition

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

The impressive high colour graded diamonds display a fine white colour and brilliance.

fig 7. A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band.
fig 7. Antique/vintage 6.10ct Basaltic Sapphire and 2.65ct Diamond 18ct Yellow Gold Ring

This blue sapphire cluster ring is an excellent gauge of gold and platinum and is in excellent condition.

The British hallmarks to the interior of the shank are partially clear.

Reflections in photographs may detract from the true representation of this stunning example of sapphire jewellery.

fig 8. A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band.
fig 8. Antique/vintage 6.10ct Basaltic Sapphire and 2.65ct Diamond 18ct Yellow Gold Ring

Sapphire Quality

Origin Basaltic Deposit

Colour Blue

Cut Round Faceted

Content 6.10 carats

Dimensions 10.40mm (length) x 10.40mm (width) x 7.00mm (depth)

Diamond Quality

Colour (average grades) H

Clarity (average grades) SI2

fig 9. A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band.
fig 9. Antique/vintage 6.10ct Basaltic Sapphire and 2.65ct Diamond 18ct Yellow Gold Ring

Cut Old European

Content 2.65 carats

Number of Diamonds

10

Dimensions

Length of setting 1.93cm/0.76'

Width of setting 1.77cm/0.7'

Height of setting 7.7mm/0.3'

Ring Size

UK Size L 1/2

USA Size 5 1/2

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

Weight

7.38 grams

Date: Sapphire and Diamonds Circa 1925/Shank Vintage

A video is available upon request.

Height
0.8cm (0.31")
Width
1.8cm (0.71")
Depth
1.9cm (0.75")
Date of Manufacture

AC Silver has dated this Sapphire Diamond Cluster Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1191127
Dealers Internal Ref
C9591
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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A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band.
1 / 17
Archive I A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band.

Antique/vintage 6.10ct Basaltic Sapphire and 2.65ct Diamond 18ct Yellow Gold Ring

Archive II A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View II
Archive III A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View III
Archive IV A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View IV
Archive V A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View V
Archive VI A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View VI
Archive VII A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View VII
Archive VIII A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View VIII
Archive IX A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View IX
Archive X A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View X
Archive XI A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View XI
Archive XII A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View XII
Archive XIII A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View XIII
Archive XIV A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View XIV
Archive XV A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View XV
Archive XVI A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View XVI
Archive XVII A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band. View XVII
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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 459
Items Sold 103
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
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A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band.
Antique/Vintage 6.10ct Basaltic Sapphire and 2.65ct Diamond 18ct Yellow Gold Ring
Ref: SA1191127
A round deep blue sapphire framed by a halo of ten round brilliant diamonds on an 18ct yellow gold band.
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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.

A cluster ring features a central gemstone surrounded by a halo of smaller accent stones, traditionally diamonds. This setting gained prominence during the Georgian and Victorian eras, designed to maximize light reflection around the central gem.

Traditional cluster rings combine precious metals such as 18ct yellow gold or platinum with natural sapphires and diamonds. The central stone is held in place by metal claws, flanked by faceted diamonds set in white metal or gold mountings.

Authentic pieces feature distinctive metal hallmarks along the inner band and often incorporate older gemstone cuts such as old European or mine cuts. Examination under magnification typically reveals natural inclusions characteristic of untreated sapphires.

A prominent sapphire cluster ring serves as a focal dress piece suitable for formal events or structured tailoring. It functions as a standalone statement on the hand or pairs with simple, plain metal bands.

Clean the ring using warm water, mild soap, and a soft-bristled brush to clear residue beneath the claw settings. Store the piece separately in a fabric-lined box to prevent harder diamonds from marking adjacent metals or gems.
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