Ring - 18 kt. Rose gold - 23.49ct. tw. Topaz - Diamond






Specialises in post-2000 pre-owned jewellery. GIA diamond and diamond grading graduate.
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An 18K rose-gold cocktail ring featuring a 23.00-carat oval rose-cut white topaz centerpiece, surrounded by 70 natural round brilliant diamonds (0.49 ct total), in a 12.19 g band and EU size 54, originating from Singapore with no laboratory report.
Description from the seller
This monumental 18K rose gold cocktail ring showcases an extraordinary 23.00-carat oval rose-cut white topaz centerpiece. Sourced from fine estate collections, this pre-loved unbranded creation features a massive 21 x 19mm gem covered in a geometric tapestry of triangular rose-cut facets that catch light from every angle. The central stone is cradled in a four-prong basket surrounded by a sparkling halo of 70 round brilliant-cut natural diamonds totaling 0.49 carats of G-H color and VS-SI clarity. Sized at 54 EU / 15 HK and weighing a substantial 12.19 grams, this high-profile statement ring rests on a smooth 2.7mm rose gold band supported by architectural double-arched under-gallery struts.
TECHNICAL SPECIFICATIONS
Jewelry type: Ring (Classified as Cocktail / Halo style)
Metal: 18K Rose Gold
Hallmarks: 750 (Observed stamped on the interior shank)
Ring size: 54 EU / 15 HK
Head dimensions: 21 x 19 mm
Band width: 2.7 mm
Shank profile: Slender rounded shank (Observed)
Setting style: Four-prong center setting with micro-pavé halo setting
Prong count: 4 prongs (for main center topaz)
Main Stone:
- Stone: Natural White Topaz
- Quantity: 1 stone
- Carat weight: 23.00 ct
- Shape: Oval Rose cut
- Color: White
- Clarity: NA
Side Stone:
- Stone: Natural Diamond
- Quantity: 70 stones
- Total carat weight: 0.49 ct
- Shape: Round brilliant
- Color: G-H
- Clarity: VS-SI
Total carat weight: 23.49 ct
Total jewelry weight: 12.19 g
Lot ID: 281472
SKU: SR-RG-281472
Certification: None
CONDITION REPORT
Condition: Pre-owned
Visible flaws: None; the 23.00ct rose-cut white topaz cabochon and all 70 natural side diamonds are present and securely set within their 18K rose gold mountings, the openwork under-gallery maintains full structural integrity, and the shank retains a high polish.
EXPERT NOTES
Based on visual evidence from the provided photography and model imagery, the ring presents an oversized cocktail silhouette set in solid 18K rose gold. The central 23.00-carat oval white topaz features a dome faceted with triangular rose-cut facets that deliver clear, glass-like reflection. The topaz is held in a four-corner prong collet framed by a border of 70 micro-pavé set round brilliant natural diamonds. The side profile reveals an elevated openwork gallery with double-arched support struts leading to a solid 2.7mm shank, cleanly stamped with an observed "750" gold purity hallmark on the inner band.
WHY A BUYER WILL LOVE THIS PIECE
Buyers will fall in love with this impressive 12.19-gram ring for its massive 21 x 19mm scale and the vintage geometric charm of its 23.00-carat rose-cut white topaz. The warm, blushing tone of 18K rose gold provides a romantic frame for the icy white gemstone and its sparkling 70-diamond halo, creating an unforgettable red-carpet statement piece. Sourced sustainably from fine estate collections, choosing this pre-loved unbranded heirloom represents an eco-conscious luxury choice that celebrates circular fashion while preserving the Earth's natural resources.
To ensure absolute peace of mind, every piece in our collection undergoes a rigorous physical authentication process before delivery. This includes gold purity verification to guarantee solid gold composition, microscopic analysis of each gemstone by certified gemologists to verify its natural origin and identify any treatment, and a meticulous physical inspection to confirm setting security and structural integrity.
Worldwide Insured Shipping: We securely ship our estate and vintage jewelry collections globally, with frequent deliveries to the USA, UK, Europe, Australia, and beyond. Every international package is fully insured and trackable for your peace of mind.
For special needs please feel free to contact us.
Please read all the important information below.
Please note that the photos provided may show slight variations from the actual item due to lighting, angles, and screen settings. We strive to accurately represent each item's color and details, but slight differences may occur. Rest assured, we aim to provide the most accurate portrayal possible to ensure your satisfaction with your purchase. If you have any questions or require further clarification, please feel free to reach out to us.
If the winning bidder decides to cancel/withdraw they will bear the risk, cost of all shipping, and return import duties of the seller.
NO RESERVE ITEMS TERMS:
We invite you to explore and bid on our exciting no-reserve items! To ensure a transparent and positive experience, please note a few key terms. Some pieces may not include formal certification, and a post-purchase resizing service is available for an additional fee. This service applies only to eligible rings where resizing is physically possible and must be requested within 24 hours of purchase to avoid shipping delays. Your bid is a binding commitment to purchase, and while returns may be accepted under specific circumstances, they are subject to a return fee. Please proceed with your bid only when you are comfortable with and fully accept these conditions. Happy bidding!
RESIZING REQUEST:
We are pleased to offer complimentary resizing for a change of up to two ring sizes, either up or down. This service is available for all eligible rings, provided the adjustment is physically possible, and must be requested within 24 hours of your purchase to ensure prompt shipping. For any adjustments beyond this range, our policy varies: making a ring larger by more than two sizes will incur an additional fee to cover the cost of adding more gold, while making a ring smaller by more than two sizes remains a complimentary service, as long as it is physically possible.
Shipping: 100% Insured.
Shipments that are shipped out will be provided with a tracking number.
The buyer is responsible for any local customs or VAT fees that might apply to the purchase.
-Import duties and taxes are not included in the item price.
The Import process is very simple as the shipping company does the entire import procedure, all the customer has to do is pay the VAT and customs clearance.
-in Portugal please note that to get the package you will need to use a local broker (new Regulation)
-in France, the price of the shipping fee includes the brokerage fee. Due to the country's regulations, customs clearance must take place with a customs broker, so please be aware that shipping time can be 7-12 business days. All the customer has to do is pay the VAT.
-in Switzerland, the VAT is only 7%.
-in Hong Kong and the USA the VAT is 0%.
This monumental 18K rose gold cocktail ring showcases an extraordinary 23.00-carat oval rose-cut white topaz centerpiece. Sourced from fine estate collections, this pre-loved unbranded creation features a massive 21 x 19mm gem covered in a geometric tapestry of triangular rose-cut facets that catch light from every angle. The central stone is cradled in a four-prong basket surrounded by a sparkling halo of 70 round brilliant-cut natural diamonds totaling 0.49 carats of G-H color and VS-SI clarity. Sized at 54 EU / 15 HK and weighing a substantial 12.19 grams, this high-profile statement ring rests on a smooth 2.7mm rose gold band supported by architectural double-arched under-gallery struts.
TECHNICAL SPECIFICATIONS
Jewelry type: Ring (Classified as Cocktail / Halo style)
Metal: 18K Rose Gold
Hallmarks: 750 (Observed stamped on the interior shank)
Ring size: 54 EU / 15 HK
Head dimensions: 21 x 19 mm
Band width: 2.7 mm
Shank profile: Slender rounded shank (Observed)
Setting style: Four-prong center setting with micro-pavé halo setting
Prong count: 4 prongs (for main center topaz)
Main Stone:
- Stone: Natural White Topaz
- Quantity: 1 stone
- Carat weight: 23.00 ct
- Shape: Oval Rose cut
- Color: White
- Clarity: NA
Side Stone:
- Stone: Natural Diamond
- Quantity: 70 stones
- Total carat weight: 0.49 ct
- Shape: Round brilliant
- Color: G-H
- Clarity: VS-SI
Total carat weight: 23.49 ct
Total jewelry weight: 12.19 g
Lot ID: 281472
SKU: SR-RG-281472
Certification: None
CONDITION REPORT
Condition: Pre-owned
Visible flaws: None; the 23.00ct rose-cut white topaz cabochon and all 70 natural side diamonds are present and securely set within their 18K rose gold mountings, the openwork under-gallery maintains full structural integrity, and the shank retains a high polish.
EXPERT NOTES
Based on visual evidence from the provided photography and model imagery, the ring presents an oversized cocktail silhouette set in solid 18K rose gold. The central 23.00-carat oval white topaz features a dome faceted with triangular rose-cut facets that deliver clear, glass-like reflection. The topaz is held in a four-corner prong collet framed by a border of 70 micro-pavé set round brilliant natural diamonds. The side profile reveals an elevated openwork gallery with double-arched support struts leading to a solid 2.7mm shank, cleanly stamped with an observed "750" gold purity hallmark on the inner band.
WHY A BUYER WILL LOVE THIS PIECE
Buyers will fall in love with this impressive 12.19-gram ring for its massive 21 x 19mm scale and the vintage geometric charm of its 23.00-carat rose-cut white topaz. The warm, blushing tone of 18K rose gold provides a romantic frame for the icy white gemstone and its sparkling 70-diamond halo, creating an unforgettable red-carpet statement piece. Sourced sustainably from fine estate collections, choosing this pre-loved unbranded heirloom represents an eco-conscious luxury choice that celebrates circular fashion while preserving the Earth's natural resources.
To ensure absolute peace of mind, every piece in our collection undergoes a rigorous physical authentication process before delivery. This includes gold purity verification to guarantee solid gold composition, microscopic analysis of each gemstone by certified gemologists to verify its natural origin and identify any treatment, and a meticulous physical inspection to confirm setting security and structural integrity.
Worldwide Insured Shipping: We securely ship our estate and vintage jewelry collections globally, with frequent deliveries to the USA, UK, Europe, Australia, and beyond. Every international package is fully insured and trackable for your peace of mind.
For special needs please feel free to contact us.
Please read all the important information below.
Please note that the photos provided may show slight variations from the actual item due to lighting, angles, and screen settings. We strive to accurately represent each item's color and details, but slight differences may occur. Rest assured, we aim to provide the most accurate portrayal possible to ensure your satisfaction with your purchase. If you have any questions or require further clarification, please feel free to reach out to us.
If the winning bidder decides to cancel/withdraw they will bear the risk, cost of all shipping, and return import duties of the seller.
NO RESERVE ITEMS TERMS:
We invite you to explore and bid on our exciting no-reserve items! To ensure a transparent and positive experience, please note a few key terms. Some pieces may not include formal certification, and a post-purchase resizing service is available for an additional fee. This service applies only to eligible rings where resizing is physically possible and must be requested within 24 hours of purchase to avoid shipping delays. Your bid is a binding commitment to purchase, and while returns may be accepted under specific circumstances, they are subject to a return fee. Please proceed with your bid only when you are comfortable with and fully accept these conditions. Happy bidding!
RESIZING REQUEST:
We are pleased to offer complimentary resizing for a change of up to two ring sizes, either up or down. This service is available for all eligible rings, provided the adjustment is physically possible, and must be requested within 24 hours of your purchase to ensure prompt shipping. For any adjustments beyond this range, our policy varies: making a ring larger by more than two sizes will incur an additional fee to cover the cost of adding more gold, while making a ring smaller by more than two sizes remains a complimentary service, as long as it is physically possible.
Shipping: 100% Insured.
Shipments that are shipped out will be provided with a tracking number.
The buyer is responsible for any local customs or VAT fees that might apply to the purchase.
-Import duties and taxes are not included in the item price.
The Import process is very simple as the shipping company does the entire import procedure, all the customer has to do is pay the VAT and customs clearance.
-in Portugal please note that to get the package you will need to use a local broker (new Regulation)
-in France, the price of the shipping fee includes the brokerage fee. Due to the country's regulations, customs clearance must take place with a customs broker, so please be aware that shipping time can be 7-12 business days. All the customer has to do is pay the VAT.
-in Switzerland, the VAT is only 7%.
-in Hong Kong and the USA the VAT is 0%.
Details
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.
