Ring Platinum - 0.50ct. tw. Diamond (Natural)





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Platinum solitaire ring set with a natural round brilliant 0.50 ct diamond (D color, VS2, Excellent cut) graded by GIA, total weight 2.81 g, EU size 50.5, pre-owned in excellent condition.
Description from the seller
This classic platinum solitaire ring represents the epitome of timeless elegance and bridal romance. Sourced from fine estate collections, the centerpiece showcases a brilliant 0.50-carat round brilliant-cut natural diamond. Hand-graded by the Gemological Institute of America (GIA), this exceptional diamond features an elite D color—the absolute highest grade on the color scale—and a clear VS2 clarity. The diamond is certified with an Excellent cut, polish, and symmetry, maximizing its mathematical light dispersion, fire, and brilliance. It is secured within a traditional six-prong crown setting on a sleek, high-polished platinum band. Weighing 2.81 grams and sized at 50.5 EU (11.5 HK), this ring is accompanied by its physical GIA Diamond Dossier report, offering a pristine statement of enduring love and sophisticated luxury.
TECHNICAL SPECIFICATIONS
Jewelry type: Ring
Metal: Platinum
Hallmarks: Pt950, aA, and the Chinese character Fu (福) (Observed stamped on the inner shank)
Ring size: EU 50.5 / HK 11.5
Resizable: Yes
Shank profile: Plain tapered shank
Prong count: 6 prongs
Setting style: Solitaire prong setting
Main Stone:
• Stone: Natural Diamond
• Quantity: 1 stone
• Carat weight: 0.50 ct
• Measurements: 5.13 mm - 5.16 mm x 3.09 mm
• Shape: Round brilliant
• Color: D
• Clarity: VS2
• Cut: Excellent
• Polish: Excellent
• Symmetry: Excellent
• Fluorescence: None
• Girdle: Medium to slightly thick, faceted (3.5%)
• Culet: None
Total carat weight: 0.50 ct
Total jewelry weight: 2.81 g
Lot ID: 281145
SKU: SR-PT-281145
Certification: GIA Physical copy Diamond Dossier Report No. 2287****** (Dated March 28, 2018)
CONDITION REPORT
Condition: Pre-owned
Visible flaws: None observed on the gemstone or platinum mounting; the diamond is highly pristine with no visible chips or surface abrasions, and the setting remains perfectly secure.
EXPERT NOTES
Based on visual evidence from the provided images and the official GIA certificate, the ring features a masterfully crafted, traditional six-prong solitaire design. The 0.50-carat round brilliant diamond displays a high-dome table with incredible fire and exceptional optical symmetry, elevated elegantly to capture light from all angles. The band is sculpted in high-purity Pt950 platinum and features a plain, tapered shank that narrows slightly as it rises to meet the prongs, creating a highly flattering, elongating effect on the finger. The inner shank exhibits crisp, deep stamps including a traditional Chinese character for blessing and good fortune "福", followed by "Pt950" and "aA". The ring is in excellent pre-owned condition with a smooth, highly reflective polished finish.
WHY A BUYER WILL LOVE THIS PIECE
Connoisseurs and brides-to-be will cherish this 2.81-gram solitaire ring for its classic, iconic design and the breathtaking brilliance of its GIA-certified D-color diamond. As the highest possible color grade, a D-color diamond offers an icy, pure white scintillation that is incredibly rare and coveted. The traditional six-prong setting is widely celebrated for its superior security and its ability to maximize light entry, making the 0.50-carat stone appear exceptionally bright. Crafted in solid Pt950 platinum, this ring represents a secure, high-value investment in one of the world's strongest and most durable precious metals. Choosing this sustainably sourced, pre-loved estate treasure supports a circular luxury economy, giving a second life to a magnificent ring without the retail price or environmental impact of new production. It serves as an exquisite, heirloom-quality symbol of commitment or a luxurious daily self-reward.
To ensure absolute peace of mind, every piece in our collection undergoes a rigorous physical authentication process before delivery. This includes platinum purity verification to guarantee solid composition, microscopic analysis of each gemstone by certified gemologists to verify its natural origin and grading, 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 classic platinum solitaire ring represents the epitome of timeless elegance and bridal romance. Sourced from fine estate collections, the centerpiece showcases a brilliant 0.50-carat round brilliant-cut natural diamond. Hand-graded by the Gemological Institute of America (GIA), this exceptional diamond features an elite D color—the absolute highest grade on the color scale—and a clear VS2 clarity. The diamond is certified with an Excellent cut, polish, and symmetry, maximizing its mathematical light dispersion, fire, and brilliance. It is secured within a traditional six-prong crown setting on a sleek, high-polished platinum band. Weighing 2.81 grams and sized at 50.5 EU (11.5 HK), this ring is accompanied by its physical GIA Diamond Dossier report, offering a pristine statement of enduring love and sophisticated luxury.
TECHNICAL SPECIFICATIONS
Jewelry type: Ring
Metal: Platinum
Hallmarks: Pt950, aA, and the Chinese character Fu (福) (Observed stamped on the inner shank)
Ring size: EU 50.5 / HK 11.5
Resizable: Yes
Shank profile: Plain tapered shank
Prong count: 6 prongs
Setting style: Solitaire prong setting
Main Stone:
• Stone: Natural Diamond
• Quantity: 1 stone
• Carat weight: 0.50 ct
• Measurements: 5.13 mm - 5.16 mm x 3.09 mm
• Shape: Round brilliant
• Color: D
• Clarity: VS2
• Cut: Excellent
• Polish: Excellent
• Symmetry: Excellent
• Fluorescence: None
• Girdle: Medium to slightly thick, faceted (3.5%)
• Culet: None
Total carat weight: 0.50 ct
Total jewelry weight: 2.81 g
Lot ID: 281145
SKU: SR-PT-281145
Certification: GIA Physical copy Diamond Dossier Report No. 2287****** (Dated March 28, 2018)
CONDITION REPORT
Condition: Pre-owned
Visible flaws: None observed on the gemstone or platinum mounting; the diamond is highly pristine with no visible chips or surface abrasions, and the setting remains perfectly secure.
EXPERT NOTES
Based on visual evidence from the provided images and the official GIA certificate, the ring features a masterfully crafted, traditional six-prong solitaire design. The 0.50-carat round brilliant diamond displays a high-dome table with incredible fire and exceptional optical symmetry, elevated elegantly to capture light from all angles. The band is sculpted in high-purity Pt950 platinum and features a plain, tapered shank that narrows slightly as it rises to meet the prongs, creating a highly flattering, elongating effect on the finger. The inner shank exhibits crisp, deep stamps including a traditional Chinese character for blessing and good fortune "福", followed by "Pt950" and "aA". The ring is in excellent pre-owned condition with a smooth, highly reflective polished finish.
WHY A BUYER WILL LOVE THIS PIECE
Connoisseurs and brides-to-be will cherish this 2.81-gram solitaire ring for its classic, iconic design and the breathtaking brilliance of its GIA-certified D-color diamond. As the highest possible color grade, a D-color diamond offers an icy, pure white scintillation that is incredibly rare and coveted. The traditional six-prong setting is widely celebrated for its superior security and its ability to maximize light entry, making the 0.50-carat stone appear exceptionally bright. Crafted in solid Pt950 platinum, this ring represents a secure, high-value investment in one of the world's strongest and most durable precious metals. Choosing this sustainably sourced, pre-loved estate treasure supports a circular luxury economy, giving a second life to a magnificent ring without the retail price or environmental impact of new production. It serves as an exquisite, heirloom-quality symbol of commitment or a luxurious daily self-reward.
To ensure absolute peace of mind, every piece in our collection undergoes a rigorous physical authentication process before delivery. This includes platinum purity verification to guarantee solid composition, microscopic analysis of each gemstone by certified gemologists to verify its natural origin and grading, 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.

