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Yahoo Bid Antique Collections Handicrafts Metal Crafts Gold
安値開始 売切り【XRF分析済】19世紀 ボヘミアンガーネット ブローチ 約5.5K金無垢 オープンセッティング フラットカット 英国アンティーク
        

  • Product Quantity
    : 1
  • Starting Bid
    :1,000円
  • Highest Bidder
    : ryoma / Rating:9825
  • Listing Date
    :May 18, 2026 13:59
  • Bidding closes on
    :May 24, 2026 21:59
  • Auction Number
    :e1220220347
  • Condition
    :State it in the description
  • Automatic Extension
    :Yes
  • Authentication
    :No
  • Early Closing
    :Yes
  • Can I return the product?
    :no
  • Description
  • Q&A ()
  • Cost Estimator
  • Problem Item Response Procedur
Notes
  1. The page has a fragile description, and fragile items cannot be shipped by sea. They can only be shipped by air. If the goods are not fragile, they can be shipped by air.
【特別出品・完全売り切り】
新たに購入したい研究資料(骨董品)の資金調達のため、今回は特別に【1,000円スタート・完全売り切り】で出品いたします。普段はこの価格ではお出しできない科学的エビデンス付きの希少なお品ですので、ぜひこの機会にご検討ください。

19世紀後半に制作された、希少なアンティーク・ボヘミアンガーネット(パイロープ)のブローチです。
安価な量産品ではなく、「ガーネット・ゴールド」と呼ばれる当時の特注金無垢合金が使用された、極めて質の高いハイジュエリーです。
【デザインとセッティングの魅力】
本品最大の魅力は、希少な「フラットカット」と「オープンセッティング」の組み合わせにあります。
ボヘミアンガーネットで一般的なローズカット(多面カット)のギラギラとした乱反射とは異なり、表面を平らに磨き上げたフラットカットは、水を張ったような美しい鏡面の艶めきを放ちます。カット面が少ないからこそ、天然ガーネットが持つ本来の深く澄んだ「極上のワインレッド」をごまかしなくダイレクトに堪能できる贅沢な仕立てです。
さらに、裏面の開いたオープンセッティングにより、取り込んだ光が平らな石の内部をスッと通り抜け、まるでステンドグラスのように鮮やかに発色します。
アンティークの重厚感を持ちながらも、過剰な派手さを抑えたシックでモダンな佇まいは、現代の装い(ジャケットやブラウス)にも美しく調和します。
【反射光および透過光での観察】
透過光による拡大観察(画像8-10参照)からは丸い気泡が見られない点、および反射光による拡大観察(画像6-7参照)からカットのエッジがシャープさを保っている点から、ガラスではなく天然ガーネットであると判断いたしました。
ブローチの留め具はオリジナルで、チューブヒンジにCクラスプと、19世紀後半~20世紀初頭頃の典型的な作りです。針に歪みは殆どみられず、鋭利な状態を保っています(画像3-4参照)。
【蛍光X線(XRF)による成分分析結果】
金属部分については刻印が見られなかった為、非破壊検査(XRF)による成分分析を実施いたしました。
組成:Au 23.05% / Ag 33.99% / Cu 41.06%
このデータは、19世紀の高級ガーネットジュエリーに特有の「ガーネット・ゴールド(約5.5K相当の金・銀・銅の三元合金)」であることを示しています。
亜鉛(Zn)などのベースメタルが高濃度で検出されていないこと、断面に貼り合わせの境界が見られないことから、真鍮(トンバック)の金メッキやゴールドフィルドではないと考えられます。
【スペック】
石: ボヘミアンガーネット(フラットカット)
サイズ: 約 53.8mm × 8.6mm × 厚み4.4mm(二段になっている部分)
総重量: 約 5.69g
素材: ガーネット・ゴールド(Au 23.05% ソリッド合金)
【コンディション】
100年以上を経たアンティークジュエリーとして、非常に良好な状態を保っています。脇石に1箇所欠けがありますが(画像6、10参照)、遠目からではほとんど気にならない範囲です。
その他、経年による微細なスレ、傷、地金特有の黒ずみ(パティナ)はアンティークの証としてあえてそのままにしております。歴史的価値と科学的価値を併せ持つ逸品を、ぜひお手元でお楽しみください。

[English]
No Reserve! [XRF Tested] 19th C. Antique Bohemian Garnet Brooch - Solid "Garnet Gold" (Approx 5.5K)

This is a highly collectible 19th-century Bohemian Garnet (Pyrope) brooch.
Unlike cheap mass-produced pieces, this features a rare "Flat Cut" and "Open Setting," allowing light to pass through the stones like stained glass, revealing their true, deep wine-red color.

[Scientific Authentication]

Stones: Examined under transmitted/reflected light. No bubbles were found, and the cut edges remain sharp, confirming they are Natural Garnets, not glass.

Metal (XRF Tested): Au 23.05% / Ag 33.99% / Cu 41.06%. This specific composition proves it is solid "Garnet Gold" (approx. 5.5K solid gold alloy), a premium material used in high-end 19th-century garnet jewelry, NOT gold-plated brass (Tombac).

[Details & Condition]

Size: approx. 53.8 x 8.6 x 4.4 mm

Weight: approx. 5.69 g

Condition: Excellent antique condition. Original tube hinge and C-clasp. There is one tiny chip on a side stone (see photos 6 & 10), which is barely noticeable.

Please check the photos carefully. A true museum-quality piece combining historical and scientific value!
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Product Price JPY
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Note: This is a domestic sales tax applied within Japan.

Japan Local Shipping Fee JPY Japan Local Shipping Fee Reference
Product Weight KG The maximum weight limit is 30 kg
International Shipping Methods
Proxy bidding and purchasing services are becoming increasingly convenient. However, overseas shopping carries certain risks and issues. To reduce these risks and enhance shopping safety, please be sure to read the following information:

1. International Shipping

   Air Freight: If the item status is not confirmed within two days after the arrival notice, any customer complaints cannot be addressed with the seller.

2. After Receiving the Product

Please confirm and inspect the product as soon as possible to ensure that the product specifications, quantity, accessories, and description are correct

If, unfortunately, there are any issues, you can refer to the following examples on how to report related product problems:
1. Example of missing product information
2. Example of product not matching provided information
3. Example of damaged product information

Important Notes: 1. If the seller is unwilling to ship overseas or is unaware that the product will be shipped overseas, the international shipping cost for returns or exchanges will need to be borne by the member. You may refer to the EMS e-Express fee inquiry from the post office. If it involves alcoholic beverages or items that affect flight safety, the post office cannot be used for shipment, and only DHL can be used to ship back to Japan.
2. During the product complaint handling period, please retain the complete outer packaging of the product (including the shipping label information), and refrain from attempting any repairs or altering the original condition. Any modifications may result in the inability to process the case.

3. After Inspecting the Product

After receiving and inspecting the item, if you have any questions, it is recommended to contact Letao within 2 hours. Here are some reminders:

1. Please do not unpack, use or repair the received item yourself, and be sure to keep the original packaging to facilitate subsequent handling of related matters, so as to avoid changes to the item that may cause the seller to be unwilling to process.

2. You can call customer service, and the customer service will leave a message for you as below. Please provide the following information:
"Hello, we will first help you establish a complaint case for Product ID: _______ .But we need you to 2-3 clear photos of the product issue, including photos of the product problem, product packaging, shipping details slip, and outer box. Send them to service@letao.my and inform us of your desired resolution (failing to provide this may result in an inability to process subsequent matters). After sending the email, notify us in the customer service message. We will confirm with the seller as soon as possible. and if there are any related questions, we will contact you through the customer service message. Thank you for your cooperation."

Please provide:
1. "Product ID"
2. Photo of the "Delivery Note" (if any)
3. Photos of the outer box (including inner and outer packaging)
4. Photos of the product (Please include relevant descriptions to help us confirm with the seller)

Important Notes:
1. Do not include foreign text or other products in the background of the image.
2. Please keep the complete product packaging (including the shipping label information), and refrain from repairing or altering the original condition on your own, as any changes may result in the case being unable to be processed.
3. Please provide the relevant information within 48 hours to avoid missing the golden hour for reflection and causing situations that cannot be handled.
4. Due to 99% of Japanese sellers being unwilling or unaware of shipping goods overseas, if a seller is willing to handle the issue, the goods must be sent back to Japan, and the international shipping costs incurred must be borne by the member. Letao will use postal EMS international express to send the goods back to Japan.
5. As the goods are purchased from overseas, it may take approximately one to two weeks to complete the relevant processing procedures when issues arise with the goods. Please be reminded that you can inquire about the approximate cost through the EMS service at the post office.

4. FAQ

1. Issue of Authenticity: If antique or branded goods are found to be counterfeit upon receipt, clear photos showing the differences between the genuine product and the imitation must be provided as evidence. If unable to provide relevant proof, assistance can be sought to find a third-party reputable organization for a premium authentication service .
2. Leaking Iron Teapot: If an antique iron teapot is leaking, please take clear photos of the leaking area and provide them.
3. Transport Damage: If the goods are damaged during international shipping (to the pickup point), you need to provide photos of the outer packaging of the parcel and clear photos of the damaged goods' outer packaging.

※ Note: Photos provided to sellers should not contain any foreign-related information.
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    Product name: 安値開始 売切り【XRF分析済】19世紀 ボヘミアンガーネット ブローチ 約5.5K金無垢 オープンセッティング フラットカット 英国アンティーク
    Notes:
    Customer service hours:
    • Monday to Friday 10:00-18:00
    Customer service hotline:
    Customer Service Email: service@letao.my