Ring Platinum - 0.58ct. tw. Diamond (Natural)
02
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02
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29
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Starting bid
€ 1
Reserve price not met
Expert
Selected by Aitana Soler Solé
Certified GIA applied jewelry professional with hands-on experience in jewellery design and materials.
Estimate € 950 - € 1,150
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Platinum solitaire ring (Pt900) set with a natural 0.58 ct round brilliant-cut diamond (H color, VS clarity), weighing 3.68 g, ring size EU 44.5 / US 3, origin Singapore, pre-owned with no laboratory report.
AI-assisted summary
Description from the seller
This classic platinum solitaire ring presents an iconic bridal silhouette centered by a sparkling 0.58-carat round brilliant-cut natural diamond. Sourced from fine estate collections, this pre-loved unbranded creation showcases a natural diamond exhibiting near-colorless H color and eye-clean VS clarity. Cradled in an elevated five-prong crown collet supported by smooth cathedral shoulders, the diamond catches light from every angle. Sized at a petite 44.5 EU / 6.5 HK and weighing a substantial 3.68 grams of solid Pt900 platinum, this timeless ring delivers pure optical brilliance with enduring luxury.
TECHNICAL SPECIFICATIONS
Jewelry type: Ring (Classified as Solitaire / Cathedral style)
Metal: Platinum
Hallmarks: Pt900 (Observed stamped on the interior shank)
Ring size: 44.5 EU / 6.5 HK
Shank profile: Slender tapered cathedral shank (Observed)
Setting style: Five-prong cathedral setting
Prong count: 5 prongs (for main center diamond)
Main Stone:
- Stone: Natural Diamond
- Quantity: 1 stone
- Carat weight: 0.58 ct
- Shape: Round brilliant
- Color: H
- Clarity: VS
Total carat weight: 0.58 ct
Total jewelry weight: 3.68 g
Lot ID: 284417
SKU: SR-PT-284417
Certification: None
CONDITION REPORT
Condition: Pre-owned
Visible flaws: None; the 0.58ct round brilliant natural diamond is present and securely held within its five platinum prongs, the Pt900 cathedral mounting maintains complete structural integrity, and the band retains a high polish.
EXPERT NOTES
Based on visual evidence from the provided photography and model imagery, the ring features a distinctive five-prong cathedral solitaire construction crafted in solid Pt900 platinum. The central 0.58-carat round brilliant natural diamond is held high in a symmetrical five-prong crown collet with open side arches that maximize ambient light entry beneath the stone. The slender band tapers gently as it rises into cathedral shoulder arches, and the inner shank is polished smooth with an observed "Pt900" platinum purity hallmark clearly stamped on the interior.
WHY A BUYER WILL LOVE THIS PIECE
Buyers will fall in love with this ring for the luxurious heft of solid Pt900 platinum (3.68 grams on a size 44.5 EU frame) and the classic, uninterrupted brilliance of its 0.58-carat H/VS natural diamond. The unique five-prong crown setting offers maximum security while elevating the center stone for a dramatic optical impact. Sourced sustainably from fine estate collections, choosing this pre-loved 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 metal purity verification to guarantee solid high-purity platinum 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 classic platinum solitaire ring presents an iconic bridal silhouette centered by a sparkling 0.58-carat round brilliant-cut natural diamond. Sourced from fine estate collections, this pre-loved unbranded creation showcases a natural diamond exhibiting near-colorless H color and eye-clean VS clarity. Cradled in an elevated five-prong crown collet supported by smooth cathedral shoulders, the diamond catches light from every angle. Sized at a petite 44.5 EU / 6.5 HK and weighing a substantial 3.68 grams of solid Pt900 platinum, this timeless ring delivers pure optical brilliance with enduring luxury.
TECHNICAL SPECIFICATIONS
Jewelry type: Ring (Classified as Solitaire / Cathedral style)
Metal: Platinum
Hallmarks: Pt900 (Observed stamped on the interior shank)
Ring size: 44.5 EU / 6.5 HK
Shank profile: Slender tapered cathedral shank (Observed)
Setting style: Five-prong cathedral setting
Prong count: 5 prongs (for main center diamond)
Main Stone:
- Stone: Natural Diamond
- Quantity: 1 stone
- Carat weight: 0.58 ct
- Shape: Round brilliant
- Color: H
- Clarity: VS
Total carat weight: 0.58 ct
Total jewelry weight: 3.68 g
Lot ID: 284417
SKU: SR-PT-284417
Certification: None
CONDITION REPORT
Condition: Pre-owned
Visible flaws: None; the 0.58ct round brilliant natural diamond is present and securely held within its five platinum prongs, the Pt900 cathedral mounting maintains complete structural integrity, and the band retains a high polish.
EXPERT NOTES
Based on visual evidence from the provided photography and model imagery, the ring features a distinctive five-prong cathedral solitaire construction crafted in solid Pt900 platinum. The central 0.58-carat round brilliant natural diamond is held high in a symmetrical five-prong crown collet with open side arches that maximize ambient light entry beneath the stone. The slender band tapers gently as it rises into cathedral shoulder arches, and the inner shank is polished smooth with an observed "Pt900" platinum purity hallmark clearly stamped on the interior.
WHY A BUYER WILL LOVE THIS PIECE
Buyers will fall in love with this ring for the luxurious heft of solid Pt900 platinum (3.68 grams on a size 44.5 EU frame) and the classic, uninterrupted brilliance of its 0.58-carat H/VS natural diamond. The unique five-prong crown setting offers maximum security while elevating the center stone for a dramatic optical impact. Sourced sustainably from fine estate collections, choosing this pre-loved 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 metal purity verification to guarantee solid high-purity platinum 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
Era
After 2000
Laboratory report
No laboratory report
Diamond type of main stone
Natural
Total carat weight of all stones
0.58
Metal
Platinum
Number of diamonds main stone
1
Brand jewellery
No
Main stone
Diamond
Total carat weight of main stone(s)
0.58
Total weight
3.68 g
Condition
Excellent condition - barely used with minimal signs of wear
Gender
Women
Country of origin
Singapore
Shape of main stone
Round
Cutting style of main stone
Brilliant cut
Ring size
44 (EU) / 4 (IT) / 3 (US)
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.
