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ID #SA1221930
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Vintage 1.30 Carat Old Cut Diamond Engagement Ring, Circa 1925
Gatsby Jewellery Ltd
sold SA1221930
Sorry, but this item has been sold.
Gatsby Jewellery Ltd

Gatsby Jewellery Ltd

Sellingantiques Verified Since May 2014
View Dealers Stock Page
  • 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 #SA1221930
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Vintage 1.30 Carat Old Cut Diamond Engagement Ring, Circa 1925

1900 - 1920
Description

An awesome Art Deco engagement ring. At the centre is a stunning old mine cut diamond - graded by GIA as H colour, VS2 clarity - which displays wonderful fire and brilliance. The stone is secured in a four claw collect with crisp geometric detailing in the gallery, and is flanked by architectural step-down shoulders set with 10 (five each side) eight cut diamonds, to a slim platinum shank.

Accompanied by a GIA Natural Diamond Grading Report.

Cut:  Old mine cut in the centre (eight-cuts in the shoulders).

Colour:  H in the centre (G to H in the shoulders).

Clarity:  VS2 in the centre (VS1 to VS2 in the shoulders).

Carat:  1.30 in the centre (with a further approximate 0.05 carat in the shoulders).

Circa:  1925.

Size:  K (UK) or 5 1/8 (US). Free sizing available.

Measurements:  The diamond is 6.52 x 6.47mm. Sits 6.4mm from the finger.

Weight:  3.38 grams.

Metal:  Platinum. Tested with a Niton DXL Precious Metal Analyzer.

Video: To view videos of this ring recorded in daylight, please either contact us or copy / paste the following link into your browser: https://gatsbyjewellery.co.uk/products/vintage-1-30-carat-old-cut-diamond-engagement-ring-circa-1925

Item # 414614S131

Declaration

Gatsby Jewellery Ltd has dated this Art Deco Diamond Ring to the 1920s.

Reference Numbers
Sellingantiques Reference
SA1221930
Dealers Internal Reference
414614S131
Description
An awesome Art Deco engagement ring.
“
At the centre is a stunning old mine cut diamond - graded by GIA as H colour, VS2 clarity - which displays wonderful fire and brilliance.
Gatsby Jewellery Ltd

The stone is secured in a four claw collect with crisp geometric detailing in the gallery, and is flanked by architectural step-down shoulders set with 10 (five each side) eight cut diamonds, to a slim platinum shank.

fig 1. An Art Deco diamond ring featuring a central cushion-shaped old cut diamond mounted in a platinum band with stepped diamond shoulders.
fig 1. Vintage 1.30 Carat Old Cut Diamond Engagement Ring, Circa 1925

Accompanied by a GIA Natural Diamond Grading Report.

Cut:  Old mine cut in the centre (eight-cuts in the shoulders).

Colour:  H in the centre (G to H in the shoulders).

Clarity:  VS2 in the centre (VS1 to VS2 in the shoulders).

fig 2. An Art Deco diamond ring featuring a central cushion-shaped old cut diamond mounted in a platinum band with stepped diamond shoulders.
fig 2. Vintage 1.30 Carat Old Cut Diamond Engagement Ring, Circa 1925

Carat:  1.30 in the centre (with a further approximate 0.05 carat in the shoulders).

Circa:  1925.

Size:  K (UK) or 5 1/8 (US). Free sizing available.

Measurements:  The diamond is 6.52 x 6.47mm. Sits 6.4mm from the finger.

fig 3. An Art Deco diamond ring featuring a central cushion-shaped old cut diamond mounted in a platinum band with stepped diamond shoulders.
fig 3. Vintage 1.30 Carat Old Cut Diamond Engagement Ring, Circa 1925

Weight:  3.38 grams.

Metal:  Platinum. Tested with a Niton DXL Precious Metal Analyzer.

Video: To view videos of this ring recorded in daylight, please either contact us or copy / paste the following link into your browser: https://gatsbyjewellery.co.uk/products/vintage-1-30-carat-old-cut-diamond-engagement-ring-circa-1925

Item # 414614S131

Date of Manufacture

Gatsby Jewellery Ltd has dated this Art Deco Diamond Ring to the 1920s.

Reference Numbers
Sellingantiques Ref
SA1221930
Dealers Internal Ref
414614S131
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

Relevant Links
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An Art Deco diamond ring featuring a central cushion-shaped old cut diamond mounted in a platinum band with stepped diamond shoulders.
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Archive I An Art Deco diamond ring featuring a central cushion-shaped old cut diamond mounted in a platinum band with stepped diamond shoulders.

Vintage 1.30 Carat Old Cut Diamond Engagement Ring, circa 1925

Archive II An Art Deco diamond ring featuring a central cushion-shaped old cut diamond mounted in a platinum band with stepped diamond shoulders. View II
Archive III An Art Deco diamond ring featuring a central cushion-shaped old cut diamond mounted in a platinum band with stepped diamond shoulders. View III
Archive IV An Art Deco diamond ring featuring a central cushion-shaped old cut diamond mounted in a platinum band with stepped diamond shoulders. View IV
Archive V An Art Deco diamond ring featuring a central cushion-shaped old cut diamond mounted in a platinum band with stepped diamond shoulders. View V
Archive VI An Art Deco diamond ring featuring a central cushion-shaped old cut diamond mounted in a platinum band with stepped diamond shoulders. View VI
Archive VII An Art Deco diamond ring featuring a central cushion-shaped old cut diamond mounted in a platinum band with stepped diamond shoulders. View VII
Archive VIII An Art Deco diamond ring featuring a central cushion-shaped old cut diamond mounted in a platinum band with stepped diamond shoulders. View VIII
Archive IX An Art Deco diamond ring featuring a central cushion-shaped old cut diamond mounted in a platinum band with stepped diamond shoulders. 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 diamond ring featuring a central cushion-shaped old cut diamond mounted in a platinum band with stepped diamond shoulders.
Vintage 1.30 Carat Old Cut Diamond Engagement Ring, circa 1925
Ref: SA1221930
An Art Deco diamond ring featuring a central cushion-shaped old cut diamond mounted in a platinum band with stepped diamond shoulders.
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FAQs

Art Deco jewellery from the 1920s emphasizes geometric symmetry, clean architectural lines, and fine metalwork such as platinum settings. Rings from this era frequently feature hand-cut central diamonds accompanied by stepped, baguette, or pave-set accent stones.

Platinum became the primary choice of metal in the 1920s due to its strength and ability to hold intricate detail, though white gold was also used. Diamonds were hand-cut, yielding Old European, Old Mine, or Old Cushion cuts with unique facet proportions.

Authentic period pieces display hand-cut diamond characteristics, such as a small table, steep crown, high dome, and a visible open culet at the base. Markings inside the band often indicate platinum or high-carat purity, alongside distinct geometric shoulder work typical of early twentieth-century craftsmanship.

Classic solitaire designs complement modern attire by providing subtle contrast against contemporary tailored suits or minimalist casual wear. When displayed, these pieces are often paired with velvet ring boxes or marble trinket trays on dressing tables.

Clean the piece using warm water, mild soap, and a soft-bristled toothbrush to clear debris around the setting. Avoid harsh chemicals or ultrasonic cleaners if micro-set shoulder stones are present, and have claws inspected annually by a professional jeweller.
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