Statement ring - 14 kt. Yellow gold - 1.55ct. tw. Opal - Diamond

03
days
10
hours
56
minutes
42
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Current bid
€ 440
Reserve price not met
Matilde Stella
Expert
Retail Estimate  € 1,200 - € 1,500
NL
€440
NL
€420
NL
€400

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This 14-carat yellow-gold ring features an oval, cabochon-cut white opal weighing 1.3 ct and 12 natural round brilliant-cut diamonds weighing 0.25 ct in total, with VVS1 clarity, and comes with an ALGT laboratory report numbered 75053391.

AI-assisted summary

Description from the seller

Title:
[Premium] Matching 14k Gold Ring (6.13g) with 1.30 ct Coober Pedy (Australia) White Opal (Red/Orange Flashes) & 0.25 ct D-F VVS Diamond – Galerie BIS José Hennekam
Lot Description:
An elegant, high-quality vintage statement ring, masterfully handcrafted from solid 14-karat yellow gold. This exclusive ring features a captivating natural white opal with an intense play of color, beautifully complemented by an entourage of brilliant diamonds.
Important note for collectors: The perfect matching set
This ring was specially designed and custom-made at the time to perfectly match the 24.00 ct Coober Pedy opal necklace currently offered in one of our other auction lots. The 1.30-carat oval opal shares exactly the same premium Australian origin and was selected from the same high-quality parcel of rough material. As with the necklace, this opal displays an exceptionally lively neon play of color, rich in the highly sought-after flashes of red, orange, green, and gold. Acquiring both lots offers a unique, once-in-a-lifetime opportunity to own a complete and distinctive haute joaillerie designer set.
The central opal is surrounded by 16 brilliant-cut diamonds of absolute collector quality (D-E-F color and VVS-SI clarity). They form a breathtaking halo that spectacularly enhances the fiery glow of the Coober Pedy opal.
The ring is fully certified by the renowned Antwerp Laboratory for Gemstone Testing (ALGT) under report number 75053391.
Specifications (according to the ALGT report):
• Jewelry: Handmade statement halo ring
• Material: 14-karat yellow gold (hallmarked '585' & '021')
• Total weight: 6.13 grams (solid, substantial quality)
• Workshop: Handmade by the prestigious Dutch workshop Gallery Best in Stones (Gallery BIS), personally curated by master gemologist José Hennekam.
Central Gemstone:
• Type: Natural White Opal (Natural Opal)
• Origin: Coober Pedy, Australia (100% natural and untreated)
• Weight: 1.30 carats
• Cut: Oval, cabochon
• Dimensions: 9.90 x 8.00 mm
• Play of color: White base with an intense play of color (very lively neon flashes of red, orange, green, and gold)
• Treatment: Untreated / No indications of treatment
Side Stones (16 Diamonds):
• Weight: 0.25 carats (total)
• Cut: Round brilliant
• Color grade: D - E - F (Top Wesselton / River — exceptionally white / collector quality)
• Clarity grade: VVS - SI (excellent life, fire, and brilliance)
Condition and Shipping:
The ring is in absolutely impeccable vintage condition. It comes with the original physical ALGT expert report. The ring will be shipped with the utmost care, fully insured and by registered courier, in a luxury jewelry box.

Title:
[Premium] Matching 14k Gold Ring (6.13g) with 1.30 ct Coober Pedy (Australia) White Opal (Red/Orange Flashes) & 0.25 ct D-F VVS Diamond – Galerie BIS José Hennekam
Lot Description:
An elegant, high-quality vintage statement ring, masterfully handcrafted from solid 14-karat yellow gold. This exclusive ring features a captivating natural white opal with an intense play of color, beautifully complemented by an entourage of brilliant diamonds.
Important note for collectors: The perfect matching set
This ring was specially designed and custom-made at the time to perfectly match the 24.00 ct Coober Pedy opal necklace currently offered in one of our other auction lots. The 1.30-carat oval opal shares exactly the same premium Australian origin and was selected from the same high-quality parcel of rough material. As with the necklace, this opal displays an exceptionally lively neon play of color, rich in the highly sought-after flashes of red, orange, green, and gold. Acquiring both lots offers a unique, once-in-a-lifetime opportunity to own a complete and distinctive haute joaillerie designer set.
The central opal is surrounded by 16 brilliant-cut diamonds of absolute collector quality (D-E-F color and VVS-SI clarity). They form a breathtaking halo that spectacularly enhances the fiery glow of the Coober Pedy opal.
The ring is fully certified by the renowned Antwerp Laboratory for Gemstone Testing (ALGT) under report number 75053391.
Specifications (according to the ALGT report):
• Jewelry: Handmade statement halo ring
• Material: 14-karat yellow gold (hallmarked '585' & '021')
• Total weight: 6.13 grams (solid, substantial quality)
• Workshop: Handmade by the prestigious Dutch workshop Gallery Best in Stones (Gallery BIS), personally curated by master gemologist José Hennekam.
Central Gemstone:
• Type: Natural White Opal (Natural Opal)
• Origin: Coober Pedy, Australia (100% natural and untreated)
• Weight: 1.30 carats
• Cut: Oval, cabochon
• Dimensions: 9.90 x 8.00 mm
• Play of color: White base with an intense play of color (very lively neon flashes of red, orange, green, and gold)
• Treatment: Untreated / No indications of treatment
Side Stones (16 Diamonds):
• Weight: 0.25 carats (total)
• Cut: Round brilliant
• Color grade: D - E - F (Top Wesselton / River — exceptionally white / collector quality)
• Clarity grade: VVS - SI (excellent life, fire, and brilliance)
Condition and Shipping:
The ring is in absolutely impeccable vintage condition. It comes with the original physical ALGT expert report. The ring will be shipped with the utmost care, fully insured and by registered courier, in a luxury jewelry box.

Details

Shape of surrounding stones
Round
Free resizing offered
No
Total carat weight of all stones
1.55
No. of main gemstones
1
Lab report number
75053391
Diamond type of surrounding stones
Natural
Laboratory report
Antwerp Laboratory for Gemstone Testing (ALGT)
Era
After 2000
Cutting style of surrounding stones
Brilliant cut
Metal
Yellow gold
Fineness
14 kt.
Number of diamonds surrounding stones
12
Brand jewellery
No
Total carat weight of main stone(s)
1.30
Total carat weight of surrounding stones
0.25
Main stone
Opal
Colour of main stone
White
Cut grade of main stone
Excellent
Total weight
6.13 g
Diamond clarity grade of surrounding stones
VVS1
Surrounding stones
Diamond
Transparency of main stone
Opaque
Condition
Excellent condition - barely used with minimal signs of wear
Clarity grade of main stone
Eye clean
Country of origin
Netherlands
Gender
Women
Treatment of main stone
No evidence of treatment
Shape of main stone
Oval
Cutting style of main stone
Cabochon cut
Country of origin of main stone (if certified)
No origin given
Ring size
57 (EU) / 17 (IT) / 8 (US)
Sold by
The NetherlandsVerified
New
on Catawiki
Private

Disclaimer

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.

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