Free UK shipping for orders above 100 GBP

Get a free gift (diamond wipes) with every order

Previous

Next

Christmas announcement! Our last shipping date will be Monday 16th December.

We will be closed from 18th December to 2nd January. Make a sparkling gift this year, offering one of our gemstone books!

Previous

Next

The Complete Handbook for Gemstone Weight Estimation

The Complete Handbook for Gemstone Weight Estimation

The Complete Handbook for Gemstone Weight Estimation

SKU BKS0410 Categories Books, Gemmological Instruments Tags Charles Carmona, Estimation, Gemstones, Handbook, Weight

£60.00

7 in stock

7 in stock

Standard shipping fees £5+ may apply. For detail click here.

This comprehensive handbook is a thoroughly researched and tested manual to help in the estimation of the carat weights of mounted gemstones, using their dimensions and profiles, with over 300 pages of tables listed by shape and gem variety. The 434 page resource is an essential tool for jewellery professionals of all kinds, and used daily by many, when calculating the carat weight of mounted gemstones for making offers to buy, conducting jewellery appraisals, matching stones for jewellery design and other applications.

Frequently bought together

Gem-A 10x Loupe, with rubber grip -0

Gem-A 10x Loupe, with rubber grip -391

Gem-A 10x Loupe, with rubber grip

LOU0019

£22.00 excl. VAT

New Schneider L2 10x Loupe -0

New Schneider L2 10x Loupe -324

New Schneider L2 10x Loupe

LOU0003

£314.00 excl. VAT

Gem-A 20x Triplet Loupe, with chrome finish-0

Gem-A 20x Triplet Loupe, with chrome finish-335

Gem-A 20x Triplet Loupe, with chrome finish

LOU0021

£24.00 excl. VAT

Gem-A Portable LED Monochromatic Light

LAM0002

£49.00 excl. VAT

Do you need any help? Feel Free To Ask

We are open from Monday to Friday.

You may also like

Products not found

£60.00

The Complete Handbook for Gemstone Weight Estimation

7 in stock

The Complete Handbook for Gemstone Weight Estimation

£60.00

7 in stock

21 Ely Place, London, EC1 N 6TD
+44 (0)207 404 3334
instruments@gem-a.com

Monday - Friday
From 9:30 to 16:30
VAT Registered:
UK 995 881 3 45
Co. Registration
00838324

Terms and Conditions

Privacy & Cookies Policy

Delivery, Returns and Refunds Policy

Sage Pay / Opayo

Copyright ©2021 Gemmological Instruments Ltd.

0

Your Cart

Welcome Guest! Waving Emoji

Join Gem-A Instruments | Official online store to save your cart, save products for later, get exclusive discounts & more! Register Already a customer? Sign in

Your Cart is empty!

It looks like you haven't added any items to your cart yet.

Browse Products

Privacy Overview

This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.

Necessary

Always Enabled

Necessary cookies are absolutely essential for the website to function properly. These cookies ensure basic functionalities and security features of the website, anonymously.

Cookie	Duration	Description
cookielawinfo-checkbox-analytics	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics".
cookielawinfo-checkbox-functional	11 months	The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional".
cookielawinfo-checkbox-necessary	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary".
cookielawinfo-checkbox-others	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other.
cookielawinfo-checkbox-performance	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance".
viewed_cookie_policy	11 months	The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data.