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ID #SA465325
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Retro 1.06 Carat Old Cushion Cut Diamond Engagement Ring, Circa 1925
Sold by Gatsby Jewellery Ltd
sold SA465325
Sorry, but this item has been sold.
Gatsby Jewellery Ltd

Gatsby Jewellery Ltd

Sellingantiques Verified Since May 2014
Browse dealers 265 items
  • About Us
    Gatsby jewellery are a husband and wife team who have years of knowledge and experience in dealing in fine antique jewellery.
Id #SA465325
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Retro 1.06 Carat Old Cushion Cut Diamond Engagement Ring, Circa 1925

1900 - 1920
Sold 28 February 2025 · Gatsby Jewellery Ltd
This “Retro 1.06 Carat Old Cushion Cut Diamond Engagement Ring, Circa 1925 ” 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.

Description

A solitaire diamond ring that packs a serious punch. The cushion shaped old cut diamond in the centre impresses on every level; stunningly proportioned, internally clean and almost blindingly white. The stone is secured in an eight-claw collet above a scalloped plate which rests in an open-backed cup. Six round old cut diamonds (three each side) are set in the shoulders, leading to a slim platinum shank.

Accompanied by an independent jewellery report.

Cut – Cushion shaped old mine cut (with round old mine cuts in the shoulders).

Colour – G in the centre. (F to I in the shoulders.)

Clarity – VS1. (SI1 to I1 in the shoulders).

Carat – 1.06 in the centre, with a further approximate 0.20 carat in the shoulders.

Circa – 1925.

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

Measurements – The diamond is approximately 5.9 x 5.5mm. The head of the ring is 11.4mm in diameter and sits 7.6mm from the finger.

Metal – Platinum. Tested.

Video - To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/857474556

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

Gatsby Jewellery Ltd has dated this Cushion Cut Diamond Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA465325
Dealers Internal Reference
4445S024
Description
A solitaire diamond ring that packs a serious punch.
“
The cushion shaped old cut diamond in the centre impresses on every level; stunningly proportioned, internally clean and almost blindingly white.
Gatsby Jewellery Ltd

The stone is secured in an eight-claw collet above a scalloped plate which rests in an open-backed cup. Six round old cut diamonds (three each side) are set in the shoulders, leading to a slim platinum shank.

fig 1. An antique platinum engagement ring featuring a central cushion cut diamond surrounded by smaller accent diamonds along the shoulders.
fig 1. Retro 1.06 Carat Old Cushion Cut Diamond Engagement Ring, Circa 1925

Accompanied by an independent jewellery report.

Cut – Cushion shaped old mine cut (with round old mine cuts in the shoulders).

Colour – G in the centre. (F to I in the shoulders.)

Clarity – VS1. (SI1 to I1 in the shoulders).

fig 2. An antique platinum engagement ring featuring a central cushion cut diamond surrounded by smaller accent diamonds along the shoulders.
fig 2. Retro 1.06 Carat Old Cushion Cut Diamond Engagement Ring, Circa 1925

Carat – 1.06 in the centre, with a further approximate 0.20 carat in the shoulders.

Circa – 1925.

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

Measurements – The diamond is approximately 5.9 x 5.5mm. The head of the ring is 11.4mm in diameter and sits 7.6mm from the finger.

Metal – Platinum. Tested.

Video - To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/857474556

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

Gatsby Jewellery Ltd has dated this Cushion Cut Diamond Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA465325
Dealers Internal Ref
4445S024
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 antique platinum engagement ring featuring a central cushion cut diamond surrounded by smaller accent diamonds along the shoulders. SOLD6+ MONTHS AGO
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Archive I An antique platinum engagement ring featuring a central cushion cut diamond surrounded by smaller accent diamonds along the shoulders. SOLD6+ MONTHS AGO

Retro 1.06 Carat Old Cushion Cut Diamond Engagement Ring, Circa 1925

Archive II An antique platinum engagement ring featuring a central cushion cut diamond surrounded by smaller accent diamonds along the shoulders. View II
Archive III An antique platinum engagement ring featuring a central cushion cut diamond surrounded by smaller accent diamonds along the shoulders. View III
Archive IV An antique platinum engagement ring featuring a central cushion cut diamond surrounded by smaller accent diamonds along the shoulders. View IV
Archive V An antique platinum engagement ring featuring a central cushion cut diamond surrounded by smaller accent diamonds along the shoulders. View V
Archive VI An antique platinum engagement ring featuring a central cushion cut diamond surrounded by smaller accent diamonds along the shoulders. View VI
Archive VII An antique platinum engagement ring featuring a central cushion cut diamond surrounded by smaller accent diamonds along the shoulders. View VII
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Enlarged Archival View
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 265
Items Sold 2,976
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
Verified
May 2014
For Sale
265
Sold
2,976
An antique platinum engagement ring featuring a central cushion cut diamond surrounded by smaller accent diamonds along the shoulders.
Retro 1.06 Carat Old Cushion Cut Diamond Engagement Ring, circa 1925
Ref: SA465325
An antique platinum engagement ring featuring a central cushion cut diamond surrounded by smaller accent diamonds along the shoulders.
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Every single antique dealer on our platform is individually approved by our internal team. We verify their professional trade history, ethical standards, and photographic quality to ensure a secure, high-standard buying environment. Upon joining, every dealer agrees to a strict 9-point code of conduct. While issues can occasionally arise, our dealers typically resolve them swiftly and directly with the buyer. In fact, since our founding in 2002, Sellingantiques has only had to step in to help resolve an issue on roughly five occasions—a true testament to the quality of our dealers and their dedication to your happiness.
Our dealers are highly experienced in packing and shipping fragile, high-value antiques. Because you are in direct contact with the dealer, you will be able to easily go through all available shipping and insurance options together to ensure your item arrives safely.
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Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1900 - 1920
  • StyleArt Deco
  • MaterialPlatinum, Diamond
  • ColourSilver
  • MotifsCushion cut center stone, Prong setting, Accented shoulders, Geometric frame
  • SizeH 30 cm (12 in) x W 25 cm (10 in) x D 5 cm (2 in)

Store antique rings separately in soft-lined boxes, have setting integrity checked annually by a specialist jeweller, and clean gently using warm water and a soft brush without harsh chemical dips.

An antique engagement ring can be paired with a simple contemporary platinum band to highlight the vintage details, or matched with a vintage millegrain eternity band for a cohesive aesthetic.

Authentic pieces typically feature hand-cut stones such as old cushion or old European cuts, hand-carved platinum settings, subtle tool marks, and period-appropriate metal purity hallmarks.

Platina and platinum were favored for their strength, allowing for delicate millegrain edges, intricate pierced settings, and secure bezel or prong mountings for hand-cut diamonds.

Art Deco jewellery is characterised by geometric precision, symmetrical patterns, and the prominent use of platinum paired with diamonds and contrasting gemstones.
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