リング Platinum - 21.80ct. tw. Alexandrite - Diamond - 猫の瞳の色の変化
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€ 550
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Platinum ring featuring a 20.05 ct natural alexandrite cat’s eye with green-to-orange-yellow color change, cabochon cut, eye-clean clarity, ring size EU 53, surrounded by 1.75 ct of natural diamonds baguette-cut, total 21.8 ct, GFCO Gem Lab report AUP1507, origin Sri Lanka.
AI-assisted summary
Description from the seller
E065 コレクションサイズは Sotheby’s Christina
GIA Certificate 20.05ct Alexandrite Cat’s Eye rare collection Gemstone
GEM ESCRIPTION
Species: 自然アレキサンドライト
Variety: 自然アレキサンドリン猫眼
Weight: 20.05ct
Color : 緑色がオレンジ黄へ変化
Cat’s eye : 単一の鋭い直線的な眼線、波打ちなし
Cut: Excellent
Clarity: Eye clean
Treatment: No Treatment
Cat’s Eye: 中心に直線状のライン
Ring size 13#
Platinum gold
Diamond 1.75ct
GIA
GFCO
Record of auction world :
Sotheby's
23.19 ct Brazilian cat’s-eye alexandrite ring
Auction: Sotheby’s Hong Kong, April 2011
Origin: Brazil, untreated, strong straight chatoyant band, Gübelin & AGL certified
Estimate: HK$10,000,000 – 12,000,000
Hammer price: HK$11,860,000 (≈ USD 1.52 million)
11.15 ct Brazilian cat’s-eye alexandrite ring
Auction: Sotheby’s Hong Kong, 2008 Magnificent Jewels
Origin: Brazil, excellent colour change, sharp eye line, AGL certificate
Estimate: HK$1,350,000 – 1,600,000
Sold at above estimate range
Christie's :
20.70 ct Sri Lankan cat’s-eye alexandrite ring
Auction: Christie’s Hong Kong, 2007
Origin: Sri Lanka, well-centered straight eye line, Gübelin & GRS dual cert
Estimate: USD 160,000, sold over high estimate
Seller's Story
WB Gem Your Trusted Source for Rare Gemstones, Precision Cutting, and Expert Jewelry Design Since 2008
We specialize in a wide range of rare gemstones with certification, including:
Star Sapphires and Ruby, Burma Ruby, Red Beryl (Red Emerald), Hauyne (Hauynite), Alexandrite, Untreated Emerald (No Oil), Imperial Topaz, Demantoid, Zoisite, Santa Maria Aquamarine, Cat's Eye Chrysoberyl.
Precision Cutting Gemstones:
Our own precision cutting factory enables us to enhance the quality of gemstones, such as aquamarine, morganite, and garnet, ensuring they meet the highest standards of clarity and brilliance.
Jewelry Design and Creation:
We offer competitive pricing directly from our factory, delivering high-end quality with unique designs. From stone selection to the final product, every step is done in-house, ensuring superior craftsmanship. We also provide international cooperation to meet the needs of a global clientele.
E065 コレクションサイズは Sotheby’s Christina
GIA Certificate 20.05ct Alexandrite Cat’s Eye rare collection Gemstone
GEM ESCRIPTION
Species: 自然アレキサンドライト
Variety: 自然アレキサンドリン猫眼
Weight: 20.05ct
Color : 緑色がオレンジ黄へ変化
Cat’s eye : 単一の鋭い直線的な眼線、波打ちなし
Cut: Excellent
Clarity: Eye clean
Treatment: No Treatment
Cat’s Eye: 中心に直線状のライン
Ring size 13#
Platinum gold
Diamond 1.75ct
GIA
GFCO
Record of auction world :
Sotheby's
23.19 ct Brazilian cat’s-eye alexandrite ring
Auction: Sotheby’s Hong Kong, April 2011
Origin: Brazil, untreated, strong straight chatoyant band, Gübelin & AGL certified
Estimate: HK$10,000,000 – 12,000,000
Hammer price: HK$11,860,000 (≈ USD 1.52 million)
11.15 ct Brazilian cat’s-eye alexandrite ring
Auction: Sotheby’s Hong Kong, 2008 Magnificent Jewels
Origin: Brazil, excellent colour change, sharp eye line, AGL certificate
Estimate: HK$1,350,000 – 1,600,000
Sold at above estimate range
Christie's :
20.70 ct Sri Lankan cat’s-eye alexandrite ring
Auction: Christie’s Hong Kong, 2007
Origin: Sri Lanka, well-centered straight eye line, Gübelin & GRS dual cert
Estimate: USD 160,000, sold over high estimate
Seller's Story
WB Gem Your Trusted Source for Rare Gemstones, Precision Cutting, and Expert Jewelry Design Since 2008
We specialize in a wide range of rare gemstones with certification, including:
Star Sapphires and Ruby, Burma Ruby, Red Beryl (Red Emerald), Hauyne (Hauynite), Alexandrite, Untreated Emerald (No Oil), Imperial Topaz, Demantoid, Zoisite, Santa Maria Aquamarine, Cat's Eye Chrysoberyl.
Precision Cutting Gemstones:
Our own precision cutting factory enables us to enhance the quality of gemstones, such as aquamarine, morganite, and garnet, ensuring they meet the highest standards of clarity and brilliance.
Jewelry Design and Creation:
We offer competitive pricing directly from our factory, delivering high-end quality with unique designs. From stone selection to the final product, every step is done in-house, ensuring superior craftsmanship. We also provide international cooperation to meet the needs of a global clientele.
Details
サイドストーンのシェイプ
Fantasy
無料サイズ直し可
いいえ'
Total carat weight of all stones
21.80
メインストーンの宝石数
1
鑑定書番号
AUP1507
サイドストーンのダイヤモンドカラーグレード
D (colourless)
Diamond type of surrounding stones
Natural
鑑定書
GFCO Gem Lab
時代
After 2000
サイドストーンのカッティングスタイル
Baguette cut
金属
Platinum
ブランドジュエリー
いいえ'
メインストーンの総カラット重量
20.05
メインストーン
Alexandrite
メインストーンのカラー
Green
サイドストーンの総カラット重量
1.75
総重量
16.93 g
サイドストーン
Diamond
Cut grade of main stone
Excellent
サイドストーンのダイヤモンドクラリティグレード
VS1, VVS1
コンディション
New
主石の透明度
Semi-transparent
Clarity grade of main stone
Eye clean
性別
Unisex
主石の処理
No evidence of treatment
タイトル補足情報
Cat’s eye color change
メインストーンのシェイプ
Round
Cutting style of main stone
Cabochon cut
メインストーンの原産国 (鑑定済みの場合)
Sri Lanka
リングサイズ
53 (EU) / 13 (IT) / 6 ¼ (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.
