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ID #SA1209814
FOR SALE
£10,000
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Vintage 1.80 Carat Minor Oil Colombian Emerald & Diamond Ring, Circa 1930
For sale by Gatsby Jewellery Ltd
for sale €11,700     $12,700
£10,000
Gatsby Jewellery Ltd

Gatsby Jewellery Ltd

Sellingantiques Verified Since May 2014
Browse dealers 276 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 #SA1209814
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Vintage 1.80 Carat Minor Oil Colombian Emerald & Diamond Ring, Circa 1930

1920 - 1940
Description

An awesome Art Deco emerald and old cut diamond ring. The incredibly vivid Colombian emerald in the centre has received only minor clarity enhancement, giving the stone an incredible glow. The emerald is secured in a four claw 18k yellow gold collet, and is flanked by a pair of 0.22ct (approx.) old European cut diamonds set in platinum. Spear-shaped platinum shoulders lead to a slim, S-shaped 18k yellow gold shank.

Accompanied by an emerald report from The Gem & Pearl Laboratory stating the emerald shows evidence of minor clarity enhancement, and is Colombian in origin.

Cut:  Emerald cut emerald and old European cut diamonds.

Colour:  The diamonds are H to I.

Clarity:  The emerald is eye-clean. The diamonds are SI1 and SI2.

Carat:  The emerald is 1.80 carat. Each diamond is approximately 0.22 carat.

Circa:  1930.

Size:  Currently size N (UK) or 6 1/2 (US). Free sizing available.

Measurements:  The emerald is 7.4 x 6.9mm and sits 6.1mm from the finger. From the edge of one outer diamond to the other is 14.9mm.

Weight:  4.81 grams.

Metal:  18k yellow gold and platinum. Tested with a Niton DXL Precious Metal Analyzer.

Video: To view videos of this ring recored in daylight, please either contact us or copy / paste the following link into your browser: https://gatsbyjewellery.co.uk/products/vintage-1-80-carat-minor-oil-colombian-emerald-diamond-ring-circa-1930

Item # 913414S259

Date of Manufacture

Gatsby Jewellery Ltd has dated this Art Deco Emerald Ring to the 1930s.

Independent Date Guide ID 09468698
Dealer's Item Date1930s
Sellingantiques Date1930s
Sellingantiques agingItem 85-105 years old
ResultsDates match
Why Sellingantiques dated this piece to THE 1930s:
Old European cut diamonds with small tables: cutting style of early 20th century.
Platinum spearhead shoulders over a yellow gold band: two-tone metalwork of the period.
Hand-pierced under-bezel beneath the emerald: allows light through the stone.
Visible solder joins between platinum tops and gold hoop: traditional hand assembly.

This Independent Date Guide was compiled by Sellingantiques using its own proprietary system. It works only from the photographs shown on this page and is never told the date the dealer has declared. It is a guide, not a guarantee of age, and occasional errors can occur.

Reference Numbers
Sellingantiques Reference
SA1209814
Dealers Internal Reference
913414S259
Description
An awesome Art Deco emerald and old cut diamond ring.
“
The incredibly vivid Colombian emerald in the centre has received only minor clarity enhancement, giving the stone an incredible glow.
Gatsby Jewellery Ltd

The emerald is secured in a four claw 18k yellow gold collet, and is flanked by a pair of 0.22ct (approx.) old European cut diamonds set in platinum. Spear-shaped platinum shoulders lead to a slim, S-shaped 18k yellow gold shank.

fig 1. A vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds.
fig 1. Vintage 1.80 Carat Minor Oil Colombian Emerald & Diamond Ring, Circa 1930

Accompanied by an emerald report from The Gem & Pearl Laboratory stating the emerald shows evidence of minor clarity enhancement, and is Colombian in origin.

Cut:  Emerald cut emerald and old European cut diamonds.

fig 2. A vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds.
fig 2. Vintage 1.80 Carat Minor Oil Colombian Emerald & Diamond Ring, Circa 1930

Colour:  The diamonds are H to I.

Clarity:  The emerald is eye-clean. The diamonds are SI1 and SI2.

Carat:  The emerald is 1.80 carat. Each diamond is approximately 0.22 carat.

Circa:  1930.

Size:  Currently size N (UK) or 6 1/2 (US). Free sizing available.

fig 3. A vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds.
fig 3. Vintage 1.80 Carat Minor Oil Colombian Emerald & Diamond Ring, Circa 1930

Measurements:  The emerald is 7.4 x 6.9mm and sits 6.1mm from the finger. From the edge of one outer diamond to the other is 14.9mm.

Weight:  4.81 grams.

Metal:  18k yellow gold and platinum. Tested with a Niton DXL Precious Metal Analyzer.

fig 4. A vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds.
fig 4. Vintage 1.80 Carat Minor Oil Colombian Emerald & Diamond Ring, Circa 1930

Video: To view videos of this ring recored in daylight, please either contact us or copy / paste the following link into your browser: https://gatsbyjewellery.co.uk/products/vintage-1-80-carat-minor-oil-colombian-emerald-diamond-ring-circa-1930

Item # 913414S259

Date of Manufacture

Gatsby Jewellery Ltd has dated this Art Deco Emerald Ring to the 1930s.

Independent Date Report ID 09468698
Dealer's Item Date1930s
Sellingantiques dating1930s
Sellingantiques agingItem 85-105 years old
ResultsDates match
Why Sellingantiques dated this piece to the 1930s:
Old European cut diamonds with small tables: cutting style of early 20th century.
Platinum spearhead shoulders over a yellow gold band: two-tone metalwork of the period.
Hand-pierced under-bezel beneath the emerald: allows light through the stone.
Visible solder joins between platinum tops and gold hoop: traditional hand assembly.

This is an independent date report produced by Sellingantiques using its own proprietary system. The process uses the photographs shown on this page. The system is never told the date the dealer has declared. This report shows that the two dates corroborate.

Reference Numbers
Sellingantiques Ref
SA1209814
Dealers Internal Ref
913414S259
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 vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds.
1 / 9
Archive I A vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds.

Vintage 1.80 Carat Minor Oil Colombian Emerald & Diamond Ring, Circa 1930

Archive II A vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds. View II
Archive III A vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds. View III
Archive IV A vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds. View IV
Archive V A vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds. View V
Archive VI A vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds. View VI
Archive VII A vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds. View VII
Archive VIII A vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds. View VIII
Archive IX A vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds. 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 276
Items Sold 2,983
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
276
Sold
2,983
A vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds.
Vintage 1.80 Carat Minor Oil Colombian Emerald & Diamond Ring, circa 1930
Ref: SA1209814
A vintage gold ring set with a rectangular central emerald-cut green gemstone and two flanking round brilliant diamonds.
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Cataloguer’s note

Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectRings
  • Period1920 - 1940
  • StyleArt Deco
  • MaterialGold, Platinum, Emerald, Diamond
  • ColourGreen, Gold
  • MotifsEmerald cut, Trilogy setting, Claw mounts, Dual-tone band

An Art Deco ring from 1930, presented in a trilogy setting with a dual-tone band of yellow gold and platinum. The central element is a rectangular emerald-cut green Colombian gemstone secured in four claw mounts, flanked by a pair of round brilliant diamonds. The design includes spear-shaped platinum shoulders and a slim 18k yellow gold shank. The central green stone measures 7.4 x 6.9mm and sits 6.1mm from the finger, while the overall distance from the edge of one outer diamond to the other is 14.9mm, and the total weight is 4.81 grams. This piece functions as a fine item of personal jewellery for daily wear or special occasions, suited for modern use as a dress ring or engagement ring. The construction combines gold and platinum metals with precious stones, showing an eye-clean clarity grade for the emerald and H to I colour grades for the diamonds. It provides a distinct period aesthetic characteristic of 1930 jewellery design, incorporating traditional claw mountings and contrasting precious metal tones.

FAQs

Art Deco jewellery from the 1930s is defined by geometric shapes, clean lines, and symmetrical arrangements of gemstones. Rings from this era frequently featured central step-cut coloured stones, such as emeralds, flanked by accent diamonds and mounted in multi-tone metal settings.

Rings during this period were commonly crafted using 18-carat yellow gold, platinum, or white gold. Settings often combined gold bands with platinum prongs or shoulders to securely hold high-grade natural gemstones like Colombian emeralds and brilliant-cut diamonds.

Authentic pieces exhibit hand-carved setting details, period metal hallmarks, and specific stone cuts such as step cuts or old European cuts. Mixed metal construction, such as platinum head settings on yellow gold shanks, is also a key indicator of 1920s and 1930s fine jewellery.

A vintage emerald ring acts as a distinctive focal piece when paired with neutral tailored garments or monochrome eveningwear. The rich green tone coordinates well with both modern gold and platinum accessories for a layered fine jewellery look.

Emeralds are natural stones that require gentle care; never clean them using ultrasonic cleaners or harsh chemical solutions. Use lukewarm water, mild soap, and a soft cloth to clean the setting, and store the ring separately to prevent diamonds from scratching the emerald surface.
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