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sellingantiques.co.uk
ID #SA1045926
FOR SALE
£8,300
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Art Deco 4.93 Carat Ceylon Sapphire & Diamond Cluster Ring, Circa 1940
Gatsby Jewellery Ltd
for sale €9,711     $10,541
£8,300
Gatsby Jewellery Ltd

Gatsby Jewellery Ltd

Sellingantiques Verified Since May 2014
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  • 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 #SA1045926
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Art Deco 4.93 Carat Ceylon Sapphire & Diamond Cluster Ring, Circa 1940

1920 - 1940
Description

A stunning unheated sapphire and diamond ring. The centre stone – certified and natural, unheated and originating from Ceylon (Sri Lanka) is a bright, sky blue. The stone is secured in platinum and surrounded by fourteen old mine cut diamonds in individual scalloped settings. Decorative scroll detailing in the gallery leads to a slender platinum shank.

Accompanied by a sapphire report from Gemmological Certification Services (GCS) stating the sapphire shows no indication of heating, and is Sri Lankan (Ceylon) in origin.

Cut – Cushion cut sapphire with old mine cut diamonds.

Colour – The diamonds are G to H.

Clarity – The sapphire is loupe clean. The diamonds are SI1 to I1.

Carat – The sapphire is a known 4.93 carat. The total approximate diamond weight is 1.12 carat.

Circa – 1940.

Size – L 1/2 (UK) or 5 7/8 (US). Complimentary sizing is available, can go up or down.

Measurements – The sapphire is 8.6 x 10.2mm. The head of the ring is 17.3 x 14.9mm and sits 7.4mm from the finger.

Metal – Platinum. Tested.

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

Gatsby Jewellery Ltd has dated this Sapphire Diamond Cluster Ring to the 1940s.

Reference Numbers
Sellingantiques Reference
SA1045926
Dealers Internal Reference
1011212S365
Description
A stunning unheated sapphire and diamond ring.
“
The centre stone – certified and natural, unheated and originating from Ceylon (Sri Lanka) is a bright, sky blue.
Gatsby Jewellery Ltd

The stone is secured in platinum and surrounded by fourteen old mine cut diamonds in individual scalloped settings. Decorative scroll detailing in the gallery leads to a slender platinum shank.

fig 1. An Art Deco ring featuring an oval light blue Ceylon sapphire centered within a scalloped halo of brilliant-cut diamonds on a platinum band.
fig 1. Art Deco 4.93 Carat Ceylon Sapphire & Diamond Cluster Ring, Circa 1940

Accompanied by a sapphire report from Gemmological Certification Services (GCS) stating the sapphire shows no indication of heating, and is Sri Lankan (Ceylon) in origin.

Cut – Cushion cut sapphire with old mine cut diamonds.

fig 2. An Art Deco ring featuring an oval light blue Ceylon sapphire centered within a scalloped halo of brilliant-cut diamonds on a platinum band.
fig 2. Art Deco 4.93 Carat Ceylon Sapphire & Diamond Cluster Ring, Circa 1940

Colour – The diamonds are G to H.

Clarity – The sapphire is loupe clean. The diamonds are SI1 to I1.

Carat – The sapphire is a known 4.93 carat. The total approximate diamond weight is 1.12 carat.

Circa – 1940.

fig 3. An Art Deco ring featuring an oval light blue Ceylon sapphire centered within a scalloped halo of brilliant-cut diamonds on a platinum band.
fig 3. Art Deco 4.93 Carat Ceylon Sapphire & Diamond Cluster Ring, Circa 1940

Size – L 1/2 (UK) or 5 7/8 (US). Complimentary sizing is available, can go up or down.

Measurements – The sapphire is 8.6 x 10.2mm. The head of the ring is 17.3 x 14.9mm and sits 7.4mm from the finger.

Metal – Platinum. Tested.

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

Gatsby Jewellery Ltd has dated this Sapphire Diamond Cluster Ring to the 1940s.

Reference Numbers
Sellingantiques Ref
SA1045926
Dealers Internal Ref
1011212S365
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 Art Deco ring featuring an oval light blue Ceylon sapphire centered within a scalloped halo of brilliant-cut diamonds on a platinum band.
1 / 9
Archive I An Art Deco ring featuring an oval light blue Ceylon sapphire centered within a scalloped halo of brilliant-cut diamonds on a platinum band.

Art Deco 4.93 Carat Ceylon Sapphire & Diamond Cluster Ring, circa 1940

Archive II An Art Deco ring featuring an oval light blue Ceylon sapphire centered within a scalloped halo of brilliant-cut diamonds on a platinum band. View II
Archive III An Art Deco ring featuring an oval light blue Ceylon sapphire centered within a scalloped halo of brilliant-cut diamonds on a platinum band. View III
Archive IV An Art Deco ring featuring an oval light blue Ceylon sapphire centered within a scalloped halo of brilliant-cut diamonds on a platinum band. View IV
Archive V An Art Deco ring featuring an oval light blue Ceylon sapphire centered within a scalloped halo of brilliant-cut diamonds on a platinum band. View V
Archive VI An Art Deco ring featuring an oval light blue Ceylon sapphire centered within a scalloped halo of brilliant-cut diamonds on a platinum band. View VI
Archive VII An Art Deco ring featuring an oval light blue Ceylon sapphire centered within a scalloped halo of brilliant-cut diamonds on a platinum band. View VII
Archive VIII An Art Deco ring featuring an oval light blue Ceylon sapphire centered within a scalloped halo of brilliant-cut diamonds on a platinum band. View VIII
Archive IX An Art Deco ring featuring an oval light blue Ceylon sapphire centered within a scalloped halo of brilliant-cut diamonds on a platinum band. View IX
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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 2,933
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
2,933
An Art Deco ring featuring an oval light blue Ceylon sapphire centered within a scalloped halo of brilliant-cut diamonds on a platinum band.
Art Deco 4.93 Carat Ceylon Sapphire & Diamond Cluster Ring, circa 1940
Ref: SA1045926
An Art Deco ring featuring an oval light blue Ceylon sapphire centered within a scalloped halo of brilliant-cut diamonds on a platinum band.
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FAQs

Art Deco cluster rings typically feature a central coloured gemstone, such as a blue sapphire, bordered by geometric or scalloped arrangements of diamonds. Design elements from this era emphasize symmetry, platinum mountings, and clean architectural lines.

Rings from this era commonly utilise platinum or white gold to accentuate the white radiance of diamonds. Central gemstones often include natural sapphires, rubies, or emeralds set alongside brilliant-cut or single-cut diamonds.

Authentic pieces frequently display hand-drawn filigree, milgrain edging, precision claw settings, and era-appropriate hallmarks. Assessing gemstone cut styles, such as old European or transitional cuts, also assists in age verification.

A sapphire cluster ring serves as a focal piece that complements both casual everyday attire and tailored formal wear. Its timeless blue and white palette integrates easily with contemporary platinum or white gold jewellery.

Clean the ring using warm water, mild dish soap, and a soft-bristled brush to remove dust and oil from beneath the stones. Avoid harsh chemicals or ultrasonic cleaners if the setting contains delicate or historic side stones.
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