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ID #SA760672
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French Edwardian 18ct Platinum Onyx and Rose Cut Diamond Oval Ring
Sold by Crispin Jewellery
sold SA760672
Sorry, but this item has been sold.

Crispin Jewellery

Sellingantiques Verified Since Oct 2018
Browse dealers 251 items
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Id #SA760672
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French Edwardian 18ct Platinum Onyx and Rose Cut Diamond Oval Ring

1900 - 1920
Sold 5 January 2025 · Crispin Jewellery
This “French Edwardian 18ct Platinum Onyx and Rose Cut Diamond Oval Ring” found a buyer.

It was listed by Crispin Jewellery. 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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Description

DESCRIPTION

An original French Edwardian natural diamond and onyx ring set into 18ct yellow gold and platinum

HALLMARKS

Not Hallmarked so tests as high carat gold

MEASUREMENTS

Beautiful concave onyx plaque; 14 x 6mm

Central old cut diamond; 3mm

Surrounding rose cut diamonds; 1mm, these are tiny diamond chips but give the ring so much beautiful character

There is a diamond set to each intricately designed shouler

Ring head; 16.5 x 8.5mm

A beautiful and high quality piece. No damage at all.

WEIGHT

3.3g

CONDITION

Superb condition

RING SIZE

GB S 1/2 US 9 1/2- this can easily be resized, there is evidence of a prior resize mark, this is likely when the French hallmark has been lost

Physical Dimensions
Height
1.6cm (0.63")
Width
0.9cm (0.35")
Depth
0.5cm (0.20")
Declaration

Crispin Jewellery has dated this Edwardian Onyx Diamond Ring to the Edwardian era.

Reference Numbers
Sellingantiques Reference
SA760672
Description
DESCRIPTION

An original French Edwardian natural diamond and onyx ring set into 18ct yellow gold and platinum

HALLMARKS

Not Hallmarked so tests as high carat gold

MEASUREMENTS

Beautiful concave onyx plaque; 14 x 6mm

fig 1. An Edwardian oval ring featuring a central black onyx plaque accented with rose-cut diamonds set in platinum on an 18ct gold band.
fig 1. French Edwardian 18ct Platinum Onyx and Rose Cut Diamond Oval Ring

Central old cut diamond; 3mm

“
Surrounding rose cut diamonds; 1mm, these are tiny diamond chips but give the ring so much beautiful character.
Crispin Jewellery

There is a diamond set to each intricately designed shouler

Ring head; 16.5 x 8.5mm

fig 2. An Edwardian oval ring featuring a central black onyx plaque accented with rose-cut diamonds set in platinum on an 18ct gold band.
fig 2. French Edwardian 18ct Platinum Onyx and Rose Cut Diamond Oval Ring

A beautiful and high quality piece. No damage at all.

WEIGHT

3.3g

CONDITION

Superb condition

RING SIZE

GB S 1/2 US 9 1/2- this can easily be resized, there is evidence of a prior resize mark, this is likely when the French hallmark has been lost

Height
1.6cm (0.63")
Width
0.9cm (0.35")
Depth
0.5cm (0.20")
Date of Manufacture

Crispin Jewellery has dated this Edwardian Onyx Diamond Ring to the Edwardian era.

Reference Numbers
Sellingantiques Ref
SA760672
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 oval ring featuring a central black onyx plaque accented with rose-cut diamonds set in platinum on an 18ct gold band. SOLD6+ MONTHS AGO
1 / 5
Archive I An Edwardian oval ring featuring a central black onyx plaque accented with rose-cut diamonds set in platinum on an 18ct gold band. SOLD6+ MONTHS AGO

French Edwardian 18ct Platinum Onyx and Rose Cut Diamond Oval Ring

Archive II An Edwardian oval ring featuring a central black onyx plaque accented with rose-cut diamonds set in platinum on an 18ct gold band. View II
Archive III An Edwardian oval ring featuring a central black onyx plaque accented with rose-cut diamonds set in platinum on an 18ct gold band. View III
Archive IV An Edwardian oval ring featuring a central black onyx plaque accented with rose-cut diamonds set in platinum on an 18ct gold band. View IV
Archive V An Edwardian oval ring featuring a central black onyx plaque accented with rose-cut diamonds set in platinum on an 18ct gold band. View V
Enlarged Archival View

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 251
Items Sold 472
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
251
Sold
472
An Edwardian oval ring featuring a central black onyx plaque accented with rose-cut diamonds set in platinum on an 18ct gold band.
FRENCH EDWARDIAN 18CT PLATINUM ONYX AND ROSE CUT DIAMOND OVAL RING
Ref: SA760672
An Edwardian oval ring featuring a central black onyx plaque accented with rose-cut diamonds set in platinum on an 18ct gold band.
Detail View 1
Detail View 2
Detail View 3
Detail View 4
Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleEdwardian
  • Material18ct Gold, Platinum, Onyx, Diamond
  • ColourBlack and Silver
  • MotifsOval plaque, Millegrain setting, Rose-cut diamonds, Split shoulder band
  • SizeH 1.6 cm (1 in) x W 0.9 cm (0 in) x D 0.5 cm (0 in)

FAQs

The Edwardian era, spanning from 1901 to 1910, is characterised by delicate, lace-like motifs, platinum-on-gold settings, and a heavy use of diamonds and pearls, reflecting the luxury and refinement of the Belle Epoque period.

Jewellers of this period frequently paired newly workable platinum with 18-carat yellow gold or silver, mounting diamonds, onyx, sapphires, and rubies in intricate, open-work filigree designs.

Authentic pieces often feature hand-cut stones such as rose-cut or old European-cut diamonds, French hallmarks such as the eagles head for 18ct gold or dogs head for platinum, and handcrafted millegrain detailing.

Antique rings can be worn as standalone statement pieces or stacked with contemporary minimalist bands to create a textured, contrasting look that bridges historical craftsmanship with modern aesthetics.

Clean these delicate pieces gently using warm water, mild washing-up liquid, and a soft-bristled brush, avoiding harsh ultrasonic cleaners which can damage brittle gemstones or historic settings.
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