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ID #SA1054531
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0.89 Carat Old Cut Diamond & Emerald Ring, Platinum
Sold by Gatsby Jewellery Ltd
sold SA1054531
Sorry, but this item has been sold.
Gatsby Jewellery Ltd

Gatsby Jewellery Ltd

Sellingantiques Verified Since May 2014
Browse dealers 264 items
  • About Us
    Gatsby jewellery are a husband and wife team who have years of knowledge and experience in dealing in fine antique jewellery.
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Id #SA1054531
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0.89 Carat Old Cut Diamond & Emerald Ring, Platinum

1900 - 1920
Sold 17 January 2026 · Gatsby Jewellery Ltd
This “0.89 Carat Old Cut Diamond & Emerald Ring, Platinum” found a buyer.

It was listed by Gatsby Jewellery 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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Description

A wonderful old mine cut diamond from the early part of the last century set in a contemporary platinum mount. The diamond is secured in a six claw collet with a scrolling gallery, and is framed by six (three each side) step cut natural emeralds to a slim D-shaped shank. A stunning design, beautifully executed.

Accompanied by an independent jewellery report from IGR (#30310577).

Cut – Old mine cut diamond with square step cut emeralds.

Colour – I.

Clarity – SI2.

Carat – The diamond is a known 0.89 carat with approximately 0.14 carat of emerald.

Size – K 1/2 (UK) or 5 3/8 (US). Complimentary sizing is available, can be sized up or down.

Measurements – The diamond in approximately 6.0 x 5.5mm. Sits 6mm from the finger.

Weight – 3.33 grams.

Metal – Platinum. Tested.

Physical Dimensions
Height
30cm (11.81")
Width
25cm (9.84")
Depth
5cm (1.97")
Declaration

Gatsby Jewellery Ltd has dated this Platinum Diamond Emerald Ring to the 1900s.

Reference Numbers
Sellingantiques Reference
SA1054531
Dealers Internal Reference
119312S034
Description
A wonderful old mine cut diamond from the early part of the last century set in a contemporary platinum mount.
“
The diamond is secured in a six claw collet with a scrolling gallery, and is framed by six (three each side) step cut natural emeralds to a slim D-shaped shank.
Gatsby Jewellery Ltd

A stunning design, beautifully executed.

fig 1. An old cut diamond is flanked by square-cut green emeralds set within a platinum band.
fig 1. 0.89 Carat Old Cut Diamond & Emerald Ring, Platinum

Accompanied by an independent jewellery report from IGR (#30310577).

Cut – Old mine cut diamond with square step cut emeralds.

Colour – I.

Clarity – SI2.

Carat – The diamond is a known 0.89 carat with approximately 0.14 carat of emerald.

fig 2. An old cut diamond is flanked by square-cut green emeralds set within a platinum band.
fig 2. 0.89 Carat Old Cut Diamond & Emerald Ring, Platinum

Size – K 1/2 (UK) or 5 3/8 (US). Complimentary sizing is available, can be sized up or down.

Measurements – The diamond in approximately 6.0 x 5.5mm. Sits 6mm from the finger.

Weight – 3.33 grams.

Metal – Platinum. Tested.

Height
30cm (11.81")
Width
25cm (9.84")
Depth
5cm (1.97")
Date of Manufacture

Gatsby Jewellery Ltd has dated this Platinum Diamond Emerald Ring to the 1900s.

Reference Numbers
Sellingantiques Ref
SA1054531
Dealers Internal Ref
119312S034
Gatsby Jewellery Ltd
Gatsby Jewellery Ltd
Sellingantiques verified Since May 2014

Gatsby jewellery are a husband and wife team who have years of knowledge and experience in dealing in fine antique jewellery.

Dealer Profile

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

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An old cut diamond is flanked by square-cut green emeralds set within a platinum band. SOLD6+ MONTHS AGO
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Archive I An old cut diamond is flanked by square-cut green emeralds set within a platinum band. SOLD6+ MONTHS AGO

0.89 Carat Old Cut Diamond & Emerald Ring, Platinum

Archive II An old cut diamond is flanked by square-cut green emeralds set within a platinum band. View II
Archive III An old cut diamond is flanked by square-cut green emeralds set within a platinum band. View III
Archive IV An old cut diamond is flanked by square-cut green emeralds set within a platinum band. View IV
Archive V An old cut diamond is flanked by square-cut green emeralds set within a platinum band. View V
Archive VI An old cut diamond is flanked by square-cut green emeralds set within a platinum band. View VI
Archive VII An old cut diamond is flanked by square-cut green emeralds set within a platinum band. View VII
Archive VIII An old cut diamond is flanked by square-cut green emeralds set within a platinum band. View VIII
Archive IX An old cut diamond is flanked by square-cut green emeralds set within a platinum band. View IX
Archive X An old cut diamond is flanked by square-cut green emeralds set within a platinum band. View X
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Gatsby Jewellery Ltd

Gatsby Jewellery Ltd
Telephone 01992 842 123
Location
Gatsby Jewellery Ltd
3 Coppice Row
Theydon Bois
Essex
CM16 7ES
United Kingdom
Dealer Profile Page sellingantiques.co.uk/gatsby
Verified Since May 2014
Items For Sale 264
Items Sold 2,974
Gatsby Jewellery Ltd
Gatsby Jewellery Ltd
Verified Since May 2014
View Dealer Info
Location: Gatsby Jewellery Ltd, 3 Coppice Row, Theydon Bois, Essex, CM16 7ES, United Kingdom
Profile: sellingantiques.co.uk/gatsby
Verified
May 2014
For Sale
264
Sold
2,974
An old cut diamond is flanked by square-cut green emeralds set within a platinum band.
0.89 Carat Old Cut Diamond & Emerald Ring, Platinum
Ref: SA1054531
An old cut diamond is flanked by square-cut green emeralds set within a platinum band.
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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco Glamour
  • MaterialPlatinum, Diamond, Emerald
  • ColourSilver and Green
  • MotifsOld cut diamond, Calibre-cut emeralds, Claw setting, Geometric shoulders
  • SizeH 30 cm (12 in) x W 25 cm (10 in) x D 5 cm (2 in)

FAQs

Art Deco jewellery, prominent during the 1920s and 1930s, is characterised by geometric symmetry, clean lines, strong colour contrasts often using emeralds, rubies, or sapphires, and the frequent use of platinum as a setting material.

Period rings often utilised high-purity platinum settings valued for their strength and bright white lustre, combined with hand-cut gemstones such as old European cut diamonds and calibre-cut emeralds secured with detailed claw or channel settings.

Authentic pieces typically exhibit period-specific hand-cut facets on diamonds, such as old mine or old European cuts, hand-carved platinum detailing, and natural inclusions within emeralds observable under magnification.

An antique ring can be paired with contemporary minimalist bands to highlight its historical craftsmanship, or stacked with complementary geometric pieces to enhance its architectural design.

Regular professional inspection of settings is essential to ensure stones remain secure, and cleaning should be performed gently using warm soapy water and a soft brush, avoiding harsh ultrasonic cleaners particularly with emeralds.
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