Ring - 18 kt. White gold Ruby
05
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13
hours
11
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24
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Current bid
€ 60
Reserve price not met
Expert
Selected by Laura Trevino
She has 15 years' auction experience, specialising in vintage jewellery from 1920 to 2000.
Estimate € 3,000 - € 3,600
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 Bidder 3694 | €60 | |
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18 karat white gold ring with a 4.00 ct natural ruby cushion mixed cut as the main stone, surrounded by 48 natural diamonds (0.35–0.50 ct total) in E–F/VVS–SI quality, IGI laboratory report 10J2016725, no-brand model with Art Deco design.
AI-assisted summary
Description from the seller
18K white gold ring – 4.00 ct natural ruby – 0.50 ct natural diamonds – IGI certificate – Art Deco style
Description :
Elegant 18-karat white gold ring in an inspired Art Deco style, set with a sumptuous natural 4.00-carat ruby, accompanied by 48 natural brilliant and baguette cut diamonds (quality E-F / VVS-SI). This contemporary piece revisits the architectural lines and the iconic geometry of jewelry from the 1920s.
Main pillar (ruby):
Type: Natural corundum (ruby)
Size: Mixed cut cushion
Dimensions: 11.40 × 8.30 × 4.30 mm
Estimated weight: 4.00 ct
Color: Deep Purplish Red
• Transparency: Semi-transparent
Treatment: Presence of heat treatment (heating)
Comments: Visible residues in some cracks related to the treatment.
Secondary stones (diamonds):
Total number: 48 natural diamonds
36 round brilliance
12 baguettes
Estimated total weight: between 0.35 and 0.50 ct
Color: E–F (colorless)
Purity: VVS to SI
Finish: Good
Ring details:
• Metal: 18K white gold (750/1000)
Total weight: 7.62 g
Finger size: [to complete or "see photos"]
Punch: Yes
Condition: Very good overall condition, minor wear consistent with normal use.
Period: Contemporary creation in the Art Deco style
Gemmological certificate:
Laboratory: IGI (International Gemological Institute)
Report number: 10J2016725
Date: May 30, 2025
Original included: Yes
18K white gold ring – 4.00 ct natural ruby – 0.50 ct natural diamonds – IGI certificate – Art Deco style
Description :
Elegant 18-karat white gold ring in an inspired Art Deco style, set with a sumptuous natural 4.00-carat ruby, accompanied by 48 natural brilliant and baguette cut diamonds (quality E-F / VVS-SI). This contemporary piece revisits the architectural lines and the iconic geometry of jewelry from the 1920s.
Main pillar (ruby):
Type: Natural corundum (ruby)
Size: Mixed cut cushion
Dimensions: 11.40 × 8.30 × 4.30 mm
Estimated weight: 4.00 ct
Color: Deep Purplish Red
• Transparency: Semi-transparent
Treatment: Presence of heat treatment (heating)
Comments: Visible residues in some cracks related to the treatment.
Secondary stones (diamonds):
Total number: 48 natural diamonds
36 round brilliance
12 baguettes
Estimated total weight: between 0.35 and 0.50 ct
Color: E–F (colorless)
Purity: VVS to SI
Finish: Good
Ring details:
• Metal: 18K white gold (750/1000)
Total weight: 7.62 g
Finger size: [to complete or "see photos"]
Punch: Yes
Condition: Very good overall condition, minor wear consistent with normal use.
Period: Contemporary creation in the Art Deco style
Gemmological certificate:
Laboratory: IGI (International Gemological Institute)
Report number: 10J2016725
Date: May 30, 2025
Original included: Yes
Details
Free resizing offered
No
No. of main gemstones
1
Lab report number
10J2016725
Laboratory Report
International Gemological Institute (IGI)
Era
1900-2000
Metal
White gold
Total carat weight of main stone(s)
4.00
Brand jewellery
No
Fineness
18 kt.
Main Stone
Ruby
Colour of main stone
Red
Total weight
7.62 g
Condition
Very good condition - slightly used with small signs of wear
Transparency of main stone
Semi-transparent
Gender
Women
Treatment of main stone
Commonly heated with no evidence of treatment
Shape of main stone
Cushion
Cutting style of main stone
Mixed cut
Ring size
52 (EU) / 12 (IT) / 6 (US)
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Catawiki always aims to offer you the best possible buying experience. Our experts virtually review and select every object in line with our submission guidelines. While we strive to provide a detailed description and photographs of each jewellery object, discrepancies or inaccuracies may occur. It is your responsibility to review all of the information provided about an object, including the condition and description, before placing an order. Sellers are responsible for the information, pictures and description provided, including the quality, quantity and nature of the jewelry supplied. A small imperfection that cannot be seen in the photo but is included in the description is not a non-conformity. A Lab Report is not a guarantee, valuation or appraisal regarding the articles described therein. A Lab Report contains only the characteristics of an article described after it has been graded, tested, examined, and analyzed using the techniques and equipment used at the time of the examination from that specific Lab. The results of any other examination performed on the article may differ depending when, how, by whom and with which grading standard the article is examined. In addition, any changes and improvements in techniques and equipment that may have occurred which may enable the examiner to detect, among other things, the use of processes for altering the characteristics of an article which use was previously undetectable, does not automatically mean the object does not conform to its description.
Catawiki always aims to offer you the best possible buying experience. Our experts virtually review and select every object in line with our submission guidelines. While we strive to provide a detailed description and photographs of each jewellery object, discrepancies or inaccuracies may occur. It is your responsibility to review all of the information provided about an object, including the condition and description, before placing an order. Sellers are responsible for the information, pictures and description provided, including the quality, quantity and nature of the jewelry supplied. A small imperfection that cannot be seen in the photo but is included in the description is not a non-conformity. A Lab Report is not a guarantee, valuation or appraisal regarding the articles described therein. A Lab Report contains only the characteristics of an article described after it has been graded, tested, examined, and analyzed using the techniques and equipment used at the time of the examination from that specific Lab. The results of any other examination performed on the article may differ depending when, how, by whom and with which grading standard the article is examined. In addition, any changes and improvements in techniques and equipment that may have occurred which may enable the examiner to detect, among other things, the use of processes for altering the characteristics of an article which use was previously undetectable, does not automatically mean the object does not conform to its description.
