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ID #SA789999
FOR SALE
£1,295
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Art Deco Platinum Sapphire and Diamond Ring
For sale by Crispin Jewellery
for sale €1,515     $1,645
£1,295

Crispin Jewellery

Sellingantiques Verified Since Oct 2018
Browse dealers 251 items
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Id #SA789999
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Art Deco Platinum Sapphire and Diamond Ring

1900 - 1920
Description

DESCRIPTION

A stunning original Art Deco old cut diamond and sapphire ring set in platinum

HALLMARKS

Not Hallmarked but tested as

MEASUREMENTS

Old cut diamond; 2.5-4mm. These diamonds have superb clarity and colour at Si1 H

Total diamond content 0.5ct

Ring head; 15 x 13mm

Beautifully cut Sapphires; 3 x 4mm- these are a deep royal blue, such an amazing cut of stones, calibre cut, that exudes the Edwardian/ Art Deco cusp Ear. A beautiful piece. There may have been some heat treatment to the sapphires

WEIGHT

5.8g

CONDITION

Good condition, minimal signs commensurate of age.

RING SIZE

UK J US 5

Physical Dimensions
Height
1.3cm (0.51")
Width
1.5cm (0.59")
Depth
0.5cm (0.20")
Declaration

Crispin Jewellery has dated this Art Deco Sapphire Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA789999
Description
DESCRIPTION

A stunning original Art Deco old cut diamond and sapphire ring set in platinum

HALLMARKS

Not Hallmarked but tested as

MEASUREMENTS

Old cut diamond; 2.5-4mm. These diamonds have superb clarity and colour at Si1 H

fig 1. An Art Deco platinum ring featuring two central rectangular blue sapphires flanked by round diamonds and detailed milgrain edging.
fig 1. Art Deco Platinum Sapphire and Diamond Ring

Total diamond content 0.5ct

Ring head; 15 x 13mm

“
Beautifully cut Sapphires; 3 x 4mm- these are a deep royal blue, such an amazing cut of stones, calibre cut, that exudes the Edwardian/ Art Deco cusp Ear.
Crispin Jewellery

A beautiful piece. There may have been some heat treatment to the sapphires

WEIGHT

5.8g

CONDITION

Good condition, minimal signs commensurate of age.

RING SIZE

UK J US 5

Height
1.3cm (0.51")
Width
1.5cm (0.59")
Depth
0.5cm (0.20")
Date of Manufacture

Crispin Jewellery has dated this Art Deco Sapphire Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA789999
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 Art Deco platinum ring featuring two central rectangular blue sapphires flanked by round diamonds and detailed milgrain edging.
1 / 4
Archive I An Art Deco platinum ring featuring two central rectangular blue sapphires flanked by round diamonds and detailed milgrain edging.

Art Deco Platinum Sapphire and Diamond Ring

Archive II An Art Deco platinum ring featuring two central rectangular blue sapphires flanked by round diamonds and detailed milgrain edging. View II
Archive III An Art Deco platinum ring featuring two central rectangular blue sapphires flanked by round diamonds and detailed milgrain edging. View III
Archive IV An Art Deco platinum ring featuring two central rectangular blue sapphires flanked by round diamonds and detailed milgrain edging. View IV
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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 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 Art Deco platinum ring featuring two central rectangular blue sapphires flanked by round diamonds and detailed milgrain edging.
Art Deco Platinum sapphire and diamond ring
Ref: SA789999
An Art Deco platinum ring featuring two central rectangular blue sapphires flanked by round diamonds and detailed milgrain edging.
Detail View 1
Detail View 2
Detail View 3
Archival Detail

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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco
  • MaterialPlatinum, Sapphire, Diamond
  • ColourSilver, Blue, White
  • MotifsGeometric setting, Milgrain edging, Step-cut sapphires, Fluted shoulders
  • SizeH 1.3 cm (1 in) x W 1.5 cm (1 in) x D 0.5 cm (0 in)

This original Art Deco ring dates from 1920 and takes the form of a platinum cluster mount set with gemstones. The composition centers on two rectangular step-cut sapphires in a deep royal blue, flanked by round old-cut diamonds positioned at the top and side settings. Milgrain edging outlines the metalwork around the stones, while the shoulders exhibit fluted carved decoration leading down to a slim band. The piece uses platinum, sapphire, and diamond materials, creating a combination of silver, blue, and white tones with geometric detailing. It measures 1.3 cm high, 1.5 cm wide, and 0.5 cm deep overall, with a total weight of 5.8g and a UK ring size J. Jewellery of this period suits personal wear as a distinctive dress ring for formal occasions or daily use, adding period character to contemporary outfits. The geometric setting and calibre-cut stones reflect the architectural tastes of the early twentieth century, presenting a compact profile on the hand. Collectors of vintage accessories can wear the piece securely on a finger, pairing it with other period-style platinum items or wearing it as a standalone statement piece. The condition remains good with minimal signs of age commensurate with use over the decades since its manufacture.

FAQs

Art Deco ring design, prominent during the 1920s and 1930s, is characterised by bold geometric shapes, symmetry, crisp architectural lines, and the contrasting combination of blue sapphires alongside diamonds in platinum settings.

Jewellers of the era favoured platinum for its strength and tarnish resistance, alongside diamonds and coloured gemstones such as sapphires, emeralds, and rubies, often accented with delicate hand-applied milgrain detailing.

Authentic pieces feature die-struck or hand-carved platinum settings, precise calibre-cut or step-cut gemstones tailored to the frame, fine milgrain edges, and period hallmarks stamped within the inner shank.

An Art Deco ring functions as a focal statement piece that complements structured modern tailoring or minimal eveningwear, allowing the geometric architecture of the jewellery to stand out without competing details.

Clean the ring using warm water, mild dish soap, and a soft-bristled brush, avoiding ultrasonic cleaners if stones contain fractures, and store it in a fabric-lined box separate from other jewellery to avoid abrasion.
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