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ID #SA1119889
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18 Carat Star Ruby & Eight Cut Diamond Cluster Ring.
Sold by J. McCarthy Ltd
sold SA1119889
Sorry, but this item has been sold.

J. McCarthy Ltd

Sellingantiques Verified Since Jan 2025
Browse dealers 17 items
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Id #SA1119889
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18 Carat Star Ruby & Eight Cut Diamond Cluster Ring.

1940 - 1960
Sold 17 September 2026 · J. McCarthy Ltd
This “18 Carat Star Ruby & Eight Cut Diamond Cluster Ring” found a buyer.

It was listed by J. McCarthy Ltd. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.

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Antique Ruby Cluster RingVintage Ruby Halo Ring Ask the dealer for something similar
Description

This gorgeous 18 carat yellow gold natural star ruby ring is complimented with twenty, eight cut diamonds in the surround. Accompanied by a Lab certificate. Natural star ruby, no evidence of heat treatment observed.

CABOCHON CUT RUBY IS APPROXIMATELY 7.70ct. THE EIGHT CUT DIAMONDS ARE APPROXIMATELY 0.20ct TOTAL WEIGHT.

CURRENT RING SIZE N.

Declaration

J. McCarthy Ltd has dated this Star Ruby Diamond Ring to the 1960s.

Reference Numbers
Sellingantiques Reference
SA1119889
Description
This gorgeous 18 carat yellow gold natural star ruby ring is complimented with twenty, eight cut diamonds in the surround. Accompanied by a Lab certificate. Natural star ruby, no evidence of heat treatment observed.

CABOCHON CUT RUBY IS APPROXIMATELY 7.70ct. THE EIGHT CUT DIAMONDS ARE APPROXIMATELY 0.20ct TOTAL WEIGHT.

CURRENT RING SIZE N.

Date of Manufacture

J. McCarthy Ltd has dated this Star Ruby Diamond Ring to the 1960s.

Reference Numbers
Sellingantiques Ref
SA1119889
J. McCarthy Ltd
Sellingantiques verified Since Jan 2025
Dealer Profile

You can view the stock and full dealer information on the J. McCarthy Ltd Profile Page

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An 18ct yellow gold cluster ring featuring a central dark purple star ruby cabochon surrounded by a halo of small eight-cut diamonds. SOLD17 SEP 26
1 / 3
Archive I An 18ct yellow gold cluster ring featuring a central dark purple star ruby cabochon surrounded by a halo of small eight-cut diamonds. SOLD17 SEP 26

18 Carat Star Ruby & Eight Cut Diamond Cluster Ring.

Archive II An 18ct yellow gold cluster ring featuring a central dark purple star ruby cabochon surrounded by a halo of small eight-cut diamonds. View II
Archive III An 18ct yellow gold cluster ring featuring a central dark purple star ruby cabochon surrounded by a halo of small eight-cut diamonds. View III
Enlarged Archival View

J. McCarthy Ltd
Telephone 07833 785857
Location
49 Maddox Street
Mayfair
London
W1S 2PQ
United Kingdom

Opening times
Monday - Friday 10:00am - 4:00pm
Dealer Profile Page sellingantiques.co.uk/jmccarthy
Verified Since Jan 2025
Items For Sale 17
Items Sold 24
J. McCarthy Ltd
Verified Since Jan 2025
View Dealer Info
Location: 49 Maddox Street, Mayfair, London, W1S 2PQ, United Kingdom, , Opening times, Monday - Friday 10:00am - 4:00pm
Profile: sellingantiques.co.uk/jmccarthy
Verified
Jan 2025
For Sale
17
Sold
24
An 18ct yellow gold cluster ring featuring a central dark purple star ruby cabochon surrounded by a halo of small eight-cut diamonds.
18 Carat Star Ruby & Eight Cut Diamond Cluster Ring.
Ref: SA1119889
An 18ct yellow gold cluster ring featuring a central dark purple star ruby cabochon surrounded by a halo of small eight-cut diamonds.
Detail View 1
Detail View 2
Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1940 - 1960
  • StyleMid-Century
  • Material18ct Gold, Star Ruby, Diamond
  • ColourDeep Purple, Gold
  • MotifsCabochon cut, Diamond halo, Four-prong setting, Eight-cut diamonds

FAQs

A star ruby cluster ring features a central star ruby cabochon displaying asterism, surrounded by a border or halo of secondary gemstones, typically diamonds. This style highlights the natural six-rayed star optical effect visible on the gemstone surface under direct light.

Vintage gemstone cluster rings are traditionally constructed using high-karat metals such as 18ct yellow or white gold, platinum, or silver-topped gold. The central corundum cabochons are typically paired with single-cut or eight-cut accent diamonds set in claw or grain mounts.

Authentic star rubies display a sharp, six-rayed star floating across the cabochon dome when illuminated by a point light source. Natural specimens often feature silk inclusions, slight colour zoning, and minor internal imperfections, unlike synthetic star rubies which show overly uniform color and perfectly defined stars.

Fine vintage jewellery can be displayed decoratively on velvet ring trays, marble trinket dishes, or beneath small glass cloches on a bedroom dressing table or vanity unit. Storing and displaying pieces on structured ring stands adds texture and historic character to modern dressing areas.

Clean the ring using warm water, mild soap, and a soft-bristled brush to remove dust from behind the claw settings. Avoid harsh chemical cleaners, ultrasonic machines, or extreme temperature changes to protect both the metal mount and the structural integrity of the natural ruby.
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