Gem Refractometer for Gemstone Testing
Gem Refractometer for Gemstone Testing
Gem Refractometer for Gemstone Testing
genuine image
Gem Refractometer for Gemstone Testing
Gem Refractometer for Gemstone Testing
Gem Refractometer for Gemstone Testing
Identify singly & doubly gemstones quickly and accurately with guaranteed high quality and accurate testing results!
Gem Refractometer for Gemstone Testing
商品＃: 36588228

Gem Refractometer for Gemstone Testing

商品＃: 36588228

JPY 17890

価格の詳細

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from アメリカ

在庫あり
アメリカ USA ストアからの輸入品
今すぐ注文すると 頃に届きます 土曜日, 8月 22
安全な取引安全な取引

Ubuyはお客様のセキュリティとプライバシーの保護に努めています。当社の高度な決済セキュリティシステムは、AES（高度暗号化標準）およびSSL（セキュアソケットレイヤー）プロトコルを使用して送信中の情報を暗号化することで機密性を確保しています。お客様の決済情報は第三者の販売者と共有されることはなく、100%安全に保護されています。

最高の物流パートナー
  • fedex
  • dhl
Identify singly & doubly gemstones quickly and accurately with guaranteed high quality and accurate testing results!
U-Care保証：
なし
プランを選択してください
fast shipping

Fast
Shipping

free return

Free
Return*

安全な梱包

安全な梱包

100％正規品

100％正規品

pci-dss

PCI DSS 準拠

iso certified

ISO 27001認証取得

paypal payment
visa payment
mastercard payment
american express payment
jcb payment

この商品の利点

Precision Measurement
This refractometer offers high accuracy in gemstone testing, ensuring reliable readings for professionals seeking to evaluate gemstones effectively and confidently.
User-Friendly Design
Designed with ease of use in mind, this device features a clear scale and ergonomic grip, making it ideal for both beginners and experienced gemologists.
Durable Construction
Built with robust materials, this refractometer withstands frequent use in various testing environments, ensuring long-lasting performance and reliability in gemstone evaluation.

製品詳細

Shop Gem Refractometer for Gemstone Testing online at a best price in 日本. B009CJCUI0
  • Range: 1.30-1.81RI
  • Minimum Division: 0.01 RI
  • Accuracy: ±0.02 RI
  • Dimension:130mm*75mm*35mm
  • Accessories:polarizing filter & monochromatic light filter

Product Technical Details

Product Dimensions‎5.12 x 1.38 x 2.95 inches
Item Weight‎14.8 ounces
Manufacturer‎Grand Index
Item model number‎GI-191-1

どんな人にお勧めですか？

Suitable For
  • Jewelry Professionals

    Ideal for jewelers and gemologists needing accurate refractive index measurements for gemstone identification.

  • Hobbyist Collectors

    Great for gem and mineral collectors wanting to test and verify their gemstone authenticity and quality.

  • Educational Institutions

    Useful for universities or schools teaching geology or gemology, providing hands-on experience for students.

Not Suitable For
  • Occasional Users

    Not suitable for casual users who only need to check gemstones infrequently and lack expertise.

製品説明書

何か質問はありますか？ チャットでお問い合わせください

お客様からの質問と回答

  • 質問: What is a gem refractometer used for?

    回答: A gem refractometer is specifically designed to measure the refractive index of gemstones. This measurement helps identify the type of stone, confirming its authenticity and quality. Gemstones refract light differently, based on their internal structure, and a refractometer accurately captures this information. Common use cases include gemology labs, jewelry stores, and for individual gem collectors, as understanding a stone's refractive index can reveal crucial details about its composition and value.
  • 質問: How does a gem refractometer work?

    回答: A gem refractometer works by directing a beam of light through the gemstone and measuring how much the light bends as it passes through. This bend is measured and converted into a refractive index value. This process is crucial for gemologists to distinguish between similar-looking stones. For example, a diamond and cubic zirconia may appear similar externally, but their refractive indices differ significantly, making it an invaluable tool in tests for authenticity.
  • 質問: Why is refractive index important in gemology?

    回答: The refractive index is vital as it serves as a key characteristic for gemstone identification. Different gemstones possess unique refractive indices, which help gemologists differentiate them. By knowing the refractive index of a gemstone, one can verify its identity and assess its quality. For instance, understanding that sapphire has a different refractive index than topaz provides essential clarity when evaluating stones, hence improving the accuracy of gemstone evaluations.
  • 質問: Can I test gemstones at home with a refractometer?

    回答: Yes, you can test gemstones at home using a refractometer, but it's key to have a basic understanding of how to operate it. While it can provide accurate readings, precision can depend on your skill level and environmental factors. If you're a hobbyist or an aspiring gem collector, using a refractometer can enhance your knowledge substantially. Make sure to follow manufacturer guidelines and established gemology methods for the most reliable results.
  • 質問: What types of gemstones can be tested with a refractometer?

    回答: A gem refractometer is versatile and can be used to test a wide range of gemstones, including diamonds, sapphires, rubies, and various semi-precious stones. Each gemstone reacts differently to light, allowing gemologists to accurately determine the type based on its refractive index. Whether you're identifying an antique stone or evaluating a new purchase, a refractometer provides valuable insights for any gemstone enthusiast.
  • 質問: What features should I look for in a quality gem refractometer?

    回答: When selecting a gem refractometer, key features to consider include a clear and easy-to-read scale, adjustable light source for accuracy, and durability of materials. Additionally, consider models with built-in temperature compensation for more reliable readings. For both professional gemologists and hobbyists, investing in a precision tool can enhance testing efficiency and ensure more accurate evaluations of your gemstones.
  • 質問: How do I maintain my gem refractometer?

    回答: To maintain your gem refractometer, keep it clean and free from dust and moisture. Regularly check the calibration to ensure accuracy, especially after extended periods of use. Use a microfiber cloth for cleaning the optical parts and store the instrument in a protective case when not in use. Proper maintenance will extend the life of your refractometer, ensuring consistent and reliable performance for gemstone testing.
  • 質問: What is the difference between a digital and a manual gem refractometer?

    回答: The primary difference between digital and manual gem refractometers lies in their operation and display of readings. Digital models offer instant readings and often come with advanced features like data storage, while manual models require the user to interpret the readings from a scale visually. Depending on your preference, a digital refractometer can provide convenience and ease of use, whereas manual types can offer a traditional and hands-on approach to testing.
  • 質問: Is a gem refractometer suitable for beginners?

    回答: Yes, a gem refractometer can be suitable for beginners, especially if they are dedicated to learning about gemstones. While it may take some time to master its use, the fundamentals can be grasped with practice. Additionally, many refractometers come with guides or tutorials to help beginners get started. For anyone looking to delve into gemology, investing time in learning how to use a refractometer can be a rewarding and educational experience.
  • 質問: Where can I buy a gem refractometer for gemstone testing in Japan?

    回答: You can buy a gem refractometer for gemstone testing in Japan from Ubuy. Ubuy offers a varied selection of gem refractometers along with user-friendly shopping experience. The platform ensures that you can find quality products suitable for both professional gemologists and beginners, making it easy to access the tools you need for effective gemstone testing.

Grand Index Refractometers ‎GI-191-1 Editorial Review

エディターレビューはまだありません

お客様のレビュー＆評価

1 カスタマー評価
  • 5 星
    100%
  • 4 星
    0%
  • 3 星
    0%
  • 2 星
    0%
  • 1 星
    0%

この商品のレビュー

お考えをお聞かせください

プラットフォームの信頼性とお客様の安心

trustpilot logo
4.2/5 9250 + reviews
レビューを読む
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
安全な決済 国際配送 簡単返品 正規品保証

価格推移

重要な情報

  • 注意：国際運送の商品に関して、製造会社保障は無効になる可能性、アフターサービスは受けれない可能性、取説や安全情報は発送先の言語になっていない可能性ある。商品とその付属品は配送先の国の規格、仕様、ラベル表示法などに適応していない可能性があります。また、配送先の国の電力企画に適応しいない（アダプタや変換器を必要とする）可能性があります。ご注文の商品は配送先の国に輸入することは合法なのかを確認するのは購入者の責任になります。Ubuyからご購入の際、受け取り者は正式な輸入者となり、配送先の全ての法律やルールに遵守する必要があります。
  • Ubuyはグローバル検索エンジンのためリストにある全ての商品が購入できないことがあります。商品は輸出規制、貿易規制があります。

JPY 17890

今すぐ注文すると 頃に届きます 土曜日, 8月 22

数量：

安全な取引安全な取引

PCI DSS準拠・ISO 27001:2022認証取得。すべてのご注文に暗号化決済と充実したバイヤープロテクションが適用されます。

最高の物流パートナー
  • fedex
  • dhl
最速の国際配送

特徴と利点

  • Professional model designed specifically for lab testing of gemstones.
  • Quickly and accurately identifies singly and doubly gemstones.
  • Features high-quality prism for sharp and clear readings.
  • Approved by strict quality and safety standards for longevity.
  • Portable with a weight of 420g and compact dimensions.
  • Includes accessories like polarizing and monochromatic light filters.

Ubuyの安心保証

100％正規品、PCI DSS準拠の決済セキュリティ、ISO 27001認証のデータ保護、最速の国際配送、無料返品※、安全な梱包をすべてのご注文でお届けします。