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Mid Century 2.00 Carat Transitional Cut Diamond Trilogy Ring, Circa 1960
Sold by Gatsby Jewellery Ltd
sold SA1078614
Sorry, but this item has been sold.
Gatsby Jewellery Ltd

Gatsby Jewellery Ltd

Sellingantiques Verified Since May 2014
Browse dealers 270 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 #SA1078614
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Mid Century 2.00 Carat Transitional Cut Diamond Trilogy Ring, Circa 1960

1940 - 1960
Sold 25 July 2025 · Gatsby Jewellery Ltd
This “Mid Century 2.00 Carat Transitional Cut Diamond Trilogy Ring, Circa 1960” 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

An awesome vintage diamond three stone ring. Unusually for a trilogy, the three diamonds are of equal size which gives this piece real punch and impact. The transitional cut natural diamonds – graded as H to J colour, and VS2 to SI1 clarity – are mounted in platinum collets featuring sweeping ‘U’ shapes between the double claws, leading to a slender platinum shank which slightly tapers at the shoulders. Currently UK size N or US size 6.5 (complimentary sizing available).

Accompanied by an independent jewellery report from IGR (#30310641).

Cut – Transitional cuts.

Colour – The centre is H. The side diamonds are I to J.

Clarity – The centre is VS2. The side diamonds are VS2 to SI1

Carat – Each diamond is approximately 0.66 / 0.67 carat, with a total approximate diamond weight of 2.00 carat.

Circa – 1960.

Size – N (UK) or 6.5 (US). Complimentary sizing is available, can go up or down.

Measurements – From the edge of one outer diamond to the other is 17.1mm. The ring is 6.6mm at the widest point and sits 4.3mm from the finger.

Weight – 3.30 grams

Provenance – British.

Metal – Stamped PLAT, indicating platinum, and tests as such.

Date of Manufacture

Gatsby Jewellery Ltd has dated this Transitional Cut Diamond Ring to the 1960s.

Physical Dimensions
Height
30cm (11.81")
Width
25cm (9.84")
Depth
5cm (1.97")
Reference Numbers
Sellingantiques Reference
SA1078614
Dealers Internal Reference
119712S227
Description
An awesome vintage diamond three stone ring.
“
Unusually for a trilogy, the three diamonds are of equal size which gives this piece real punch and impact.
Gatsby Jewellery Ltd

The transitional cut natural diamonds – graded as H to J colour, and VS2 to SI1 clarity – are mounted in platinum collets featuring sweeping ‘U’ shapes between the double claws, leading to a slender platinum shank which slightly tapers at the shoulders. Currently UK size N or US size 6.5 (complimentary sizing available).

fig 1. A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row.
fig 1. Mid Century 2.00 Carat Transitional Cut Diamond Trilogy Ring, Circa 1960

Accompanied by an independent jewellery report from IGR (#30310641).

Cut – Transitional cuts.

Colour – The centre is H. The side diamonds are I to J.

Clarity – The centre is VS2. The side diamonds are VS2 to SI1

fig 2. A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row.
fig 2. Mid Century 2.00 Carat Transitional Cut Diamond Trilogy Ring, Circa 1960

Carat – Each diamond is approximately 0.66 / 0.67 carat, with a total approximate diamond weight of 2.00 carat.

Circa – 1960.

Size – N (UK) or 6.5 (US). Complimentary sizing is available, can go up or down.

fig 3. A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row.
fig 3. Mid Century 2.00 Carat Transitional Cut Diamond Trilogy Ring, Circa 1960

Measurements – From the edge of one outer diamond to the other is 17.1mm. The ring is 6.6mm at the widest point and sits 4.3mm from the finger.

Weight – 3.30 grams

Provenance – British.

Metal – Stamped PLAT, indicating platinum, and tests as such.

Date of Manufacture

Gatsby Jewellery Ltd has dated this Transitional Cut Diamond Ring to the 1960s.

Height
30cm (11.81")
Width
25cm (9.84")
Depth
5cm (1.97")
Reference Numbers
Sellingantiques Ref
SA1078614
Dealers Internal Ref
119712S227
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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A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row. SOLD6+ MONTHS AGO
1 / 12
Archive I A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row. SOLD6+ MONTHS AGO

Mid Century 2.00 Carat Transitional Cut Diamond Trilogy Ring, Circa 1960

Archive II A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row. View II
Archive III A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row. View III
Archive IV A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row. View IV
Archive V A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row. View V
Archive VI A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row. View VI
Archive VII A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row. View VII
Archive VIII A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row. View VIII
Archive IX A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row. View IX
Archive X A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row. View X
Archive XI A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row. View XI
Archive XII A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row. View XII
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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 270
Items Sold 2,980
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
270
Sold
2,980
A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row.
Mid Century 2.00 Carat Transitional Cut Diamond Trilogy Ring, circa 1960
Ref: SA1078614
A close-up photograph of a vintage platinum trilogy ring featuring three round transitional cut diamonds set in a row.
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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1940 - 1960
  • StyleMid-Century
  • MaterialPlatinum, Diamond
  • ColourSilver
  • MotifsTrilogy setting, Prong setting, Transitional cut facets
  • SizeH 30 cm (12 in) x W 25 cm (10 in) x D 5 cm (2 in)

FAQs

A transitional cut diamond possesses characteristics of both the older old European cut and the modern brilliant cut, typically featuring a slightly smaller table, a larger culet, and varied facet patterns characteristic of the mid-20th century.

Mid-century rings frequently utilise platinum or high-carat white gold, which provides a neutral, reflective setting designed to enhance the brilliance of the diamonds without adding colour.

Authentic pieces generally feature period-appropriate settings, hand-cut or transitional stones with unique inclusions visible under magnification, and traditional hallmarks stamped inside the shank.

A vintage diamond ring pairs effectively with contemporary minimalist jewellery or serves as a striking standalone statement piece that contrasts with clean, modern silhouettes.

Cleaning should be performed using warm water, mild washing-up liquid, and a soft-bristled brush to remove oils, avoiding harsh ultrasonic cleaners on delicate vintage settings.
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