Refractometers Made Easy: The Right-Way Guide to Using Gem Identification Tools - Paperback >
/ Refractometers Made Easy: The Right-Way Guide to Using Gem Identification Tools - Paperback

Refractometers Made Easy: The Right-Way Guide to Using Gem Identification Tools - Paperback

Regular price$5.38
/
(Tax included. Shipping calculated at checkout.)
✔ Authenticity Guaranteed — Verified Designer Goods
✔ 100% Money-Back Guarantee on Eligible Items
✔ Prices Displayed in Your Local Currency
✔ Final Price = No Surprise Import Fees
✔ Complimentary Insured Worldwide Shipping on Qualifying Orders
✔ Select Collector & Specialty Pieces May Require Secured Delivery Handling
Our authentication process ensures every item meets strict luxury verification standards. Learn more
Complimentary worldwide shipping on qualifying orders

by Antoinette Matlins (Author)

Explains in non-technical terms how to use the refractometer to identify diamonds and colored gems, and how to separate natural gems from imitations, treated gemstones, synthetics, and look-alikes. The approach is direct and practical, and its style is easy to understand. With this highly accessible guide booklet, anyone can begin to master gem identification using the refractometer.

Author Biography

Antoinette Matlins PG, FGA, is an internationally respected gem and jewelry expert, author and lecturer whose expertise is sought worldwide by clients who retain her to seek fine, rare or unusual gems and jewels for acquisition. She has written many books that have helped people-both consumers and professionals-increase their understanding and enjoyment of jewelry and gems. Well-trained by one of America's most distinguished gemologists, Antonio C. Bonanno, her father and co-author, Ms. Matlins has gained wide recognition as a leading consumer affairs spokeswoman in the jewelry field, and has played a major role in educating consumers about gems and jewelry. In recognition of her contributions to the field, Ms. Matlins was awarded the prestigious FGA designation by the Gem-A (Gemmological Association of Great Britain), the world's most respected international gemmological association. Ms. Matlins spearheaded the nationwide campaign against gemstone investment telemarketing scams and has gained wide recognition as a dedicated and effective consumer advocate. A popular media guest, she is seen educating consumers and exposing fraud on shows such as ABC's Good Morning America, CBS This Morning, NBC's Today, CNN's Daywatch and World Report, Oprah, The Anderson Cooper Show, Inside Edition and CNBC's Power Lunch. Based in Vermont, Ms. Matlins travels the world extensively, advising individuals and companies on buying and selling gems and jewelry. With her exceptional understanding of gemstones and in-depth knowledge of all aspects of the jewelry business, she assists clients with locating everything from an engagement ring to a rare period jewel, from an exceptional natural fancy-color diamond to an unusual carved cabochon or the rarest of fine gems. She also manages the design and creation of equally unusual jewelry for these gemstones. For more information or to contact Ms. Matlins, please visit her website www.AntoinetteMatlins.com.

Number of Pages: 26
Dimensions: 0.06 x 9 x 6 IN
Publication Date: June 17, 2014
  • In stock, ready to ship
  • Backordered, shipping soon
Shop with Confidence
  • ✔ Authenticity Guaranteed — Verified Designer Goods
  • ✔ Sourced from Authorized European/U.S. Luxury Distributors
  • ✔ Secure Checkout — SSL Encrypted Payments
  • ✔ Fast Global Delivery — 3–11 Business Days
  • ✔ Easy Returns on Eligible Items
  • ✔ 100% Money-Back Guarantee — Full Refund if Not Satisfied
Verified Trust Rating: 91/100
Amazon American Express Apple Pay Bancontact Diners Club Discover Google Pay Mastercard PayPal Shop Pay USDC Visa SSL Secure
Amazon Pay Logo Fast checkout with Amazon Pay. Use your Amazon account to skip entering shipping or card info.
Trusted by discerning buyers worldwide — secure, verified luxury sourcing

AUTHENTICITY GUARANTEED

Reserved for you — complete your purchase to secure this piece.

Authorized Designer Inventory Secure & Encrypted Checkout Tracked & Insured Delivery

OFFICIALLY AUTHORIZED RESELLER

Discover Officially Authorized Authentic Items at STORE7994.com - Certificates Available on Request!

Independently verified for store quality and customer safety.
Trust score: 91/100

All designer items offered by STORE 7994 are sourced from trusted luxury distributors and verified through independent authentication services.

Learn how STORE 7994 authenticates luxury items

Guaranteed Authentic — Includes Brand Documentation & Third-Party Verification Options.

Shipping information

  • Free Shipping* on all orders over $300 USD to most countries* Estimated delivery: 2-5 business days Mon-Sat to U.S., CA, EU etc.
  • Tracking available: DHL Express
  • Store 7994 Shipping policy
  • Global delivery in 3–9 business days (location dependent).
  • Free Worldwide Shipping $300+. International duties & VAT are calculated by destination country and may be collected upon delivery. UK orders are subject to 20% import VAT upon delivery.

Our innovation isn’t just in the brands we carry — it’s in the way we connect them. From our automation engine that keeps collections globally updated to our commitment to authenticity-first presentation, STORE 7994 exists where timeless design meets modern precision.

Every product we offer is:
Elevated · Intentional · Exclusive · Authentic

STORE 7994 is an authorized reseller of luxury fashion houses. Certificates and proof of authenticity are available to brand owners and partners upon request.

This site is protected by hCaptcha and the hCaptcha Privacy Policy and Terms of Service apply.

Returns & Refunds

We want you to shop with confidence at STORE 7994. If your purchase does not meet expectations, eligible items may be returned under the conditions below.

Return Eligibility
Items must be unused, unworn, and in original condition with all tags, packaging, and accessories included. Items showing any signs of wear or damage will not be accepted.

Return Window
Return requests must be made within 14 days of delivery.

Return Shipping
Customers are responsible for return shipping costs unless the item is defective, damaged, or incorrect.

Luxury Items
Items valued over $1,000 may be subject to a 7% restocking fee upon approved return.

Non-Returnable Items
For hygiene and product integrity reasons, the following items are final sale once opened or used:

• Underwear
• Fragrances
• Any worn or used items

Made-to-Order Items
Custom-designed products, including STORE 7994 hoodies, are made exclusively for each customer and are final sale. These items are not eligible for return or exchange unless defective or incorrect.

If you receive a defective or incorrect item, please contact us and we will make it right.

International Shipping & Duties
Many of our products ship directly from trusted international partners. Any applicable customs duties or import taxes are calculated at checkout and are non-refundable, even if the item is returned.

Returns & Associated Fees
All approved returns are subject to a $24 return processing fee. For international orders, duties, taxes, and return fees will be deducted from the original payment.

Shipping Policy
Complimentary shipping is offered on orders over $300. Orders below this threshold are subject to standard shipping rates at checkout.