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sellingantiques.co.uk
ID #SA1000419
FOR SALE
£795
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Edwardian Platinum 18ct Synthetic Sapphire Old Cut Diamond 0.60ct Cluster Ring
Crispin Jewellery
for sale €930     $1,010
£795

Crispin Jewellery

Sellingantiques Verified Since Oct 2018
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Id #SA1000419
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Edwardian Platinum 18ct Synthetic Sapphire Old Cut Diamond 0.60ct Cluster Ring

1900 - 1920
Description

DESCRIPTION

A lovely Edwardian large synthetic sapphire and old cut diamond cluster ring set into 18ct white gold and Platinum.

HALLMARKS

Not hallmarked but tests as

MEASUREMENTS

Sapphire (evidence of heat treatment); 6.5mm, a lovely colour

Old cut diamonds; 2-2.5mm, of which there are 10. Approximately 0.60ct. One diamond is marked pique with visible inclusions, the rest are just superb and this adds to the character of this old ring with natural diamonds

Ring head diameter; 13.5mm

WEIGHT

2.9g

CONDITION

Good condition, no damage to the central sapphire at all. This is a lovely sapphire, with a beautiful cut, stunning colour. Not a reproduction.

RING SIZE

GB J US 5 1/2

Declaration

Crispin Jewellery has dated this Edwardian Sapphire Cluster Ring to the Edwardian era.

Reference Numbers
Sellingantiques Reference
SA1000419
Description
DESCRIPTION
“
A lovely Edwardian large synthetic sapphire and old cut diamond cluster ring set into 18ct white gold and Platinum.
Crispin Jewellery

HALLMARKS

Not hallmarked but tests as

MEASUREMENTS

Sapphire (evidence of heat treatment); 6.5mm, a lovely colour

fig 1. An Edwardian platinum and gold square cluster ring featuring a blue synthetic sapphire surrounded by old cut diamonds with a millegrain edge.
fig 1. Edwardian Platinum 18ct Synthetic Sapphire Old Cut Diamond 0.60ct Cluster Ring

Old cut diamonds; 2-2.5mm, of which there are 10. Approximately 0.60ct. One diamond is marked pique with visible inclusions, the rest are just superb and this adds to the character of this old ring with natural diamonds

fig 2. An Edwardian platinum and gold square cluster ring featuring a blue synthetic sapphire surrounded by old cut diamonds with a millegrain edge.
fig 2. Edwardian Platinum 18ct Synthetic Sapphire Old Cut Diamond 0.60ct Cluster Ring

Ring head diameter; 13.5mm

WEIGHT

2.9g

CONDITION

Good condition, no damage to the central sapphire at all. This is a lovely sapphire, with a beautiful cut, stunning colour. Not a reproduction.

RING SIZE

GB J US 5 1/2

Date of Manufacture

Crispin Jewellery has dated this Edwardian Sapphire Cluster Ring to the Edwardian era.

Reference Numbers
Sellingantiques Ref
SA1000419
Crispin Jewellery
Sellingantiques verified Since Oct 2018
Dealer Profile

You can view the stock and full dealer information on the Crispin Jewellery Profile Page

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An Edwardian platinum and gold square cluster ring featuring a blue synthetic sapphire surrounded by old cut diamonds with a millegrain edge.
1 / 6
Archive I An Edwardian platinum and gold square cluster ring featuring a blue synthetic sapphire surrounded by old cut diamonds with a millegrain edge.

Edwardian Platinum 18ct Synthetic Sapphire Old Cut Diamond 0.60ct Cluster Ring

Archive II An Edwardian platinum and gold square cluster ring featuring a blue synthetic sapphire surrounded by old cut diamonds with a millegrain edge. View II
Archive III An Edwardian platinum and gold square cluster ring featuring a blue synthetic sapphire surrounded by old cut diamonds with a millegrain edge. View III
Archive IV An Edwardian platinum and gold square cluster ring featuring a blue synthetic sapphire surrounded by old cut diamonds with a millegrain edge. View IV
Archive V An Edwardian platinum and gold square cluster ring featuring a blue synthetic sapphire surrounded by old cut diamonds with a millegrain edge. View V
Archive VI An Edwardian platinum and gold square cluster ring featuring a blue synthetic sapphire surrounded by old cut diamonds with a millegrain edge. View VI
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Crispin Jewellery
Telephone 07790 416 633
Location
PO Box 1409
Hertfordshire
HP19NU
United Kingdom
Dealer Profile Page sellingantiques.co.uk/crispinjewellery
Verified Since Oct 2018
Items For Sale 249
Items Sold 453
Crispin Jewellery
Verified Since Oct 2018
View Dealer Info
Location: PO Box 1409, Hertfordshire, HP19NU, United Kingdom
Profile: sellingantiques.co.uk/crispinjewellery
Verified
Oct 2018
For Sale
249
Sold
453
An Edwardian platinum and gold square cluster ring featuring a blue synthetic sapphire surrounded by old cut diamonds with a millegrain edge.
EDWARDIAN PLATINUM 18CT SYNTHETIC SAPPHIRE OLD CUT DIAMOND 0.60CT CLUSTER RING
Ref: SA1000419
An Edwardian platinum and gold square cluster ring featuring a blue synthetic sapphire surrounded by old cut diamonds with a millegrain edge.
Detail View 1
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Archival Detail

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FAQs

Edwardian cluster rings from the early twentieth century frequently feature light, lace-like settings crafted in platinum over gold. They typically incorporate central gemstones surrounded by a halo of diamonds with delicate millegrain decorative edging.

Jewellers during the Edwardian era favoured platinum settings mounted on eighteen-carat gold shanks. Rings from this period frequently featured natural or synthetic sapphires alongside hand-cut diamonds.

Authentic pieces display hand-carved millegrain borders, platinum fronts combined with yellow gold under-carriages, and hand-cut diamonds such as old European or Swiss cuts.

A square geometric cluster ring serves as a standalone statement cocktail ring or an alternative engagement ring. It pairs well with simple platinum bands and tailored contemporary attire.

Clean the setting using warm water, mild soap, and a soft-bristled brush to remove dust from behind the stones. Avoid ultrasonic cleaners and aggressive chemicals that could compromise claw settings.
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