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Diamond Handbook: A Practical Guide to Diamond Evaluation (Newman Gem & Jewelry Series)

Diamond Handbook: A Practical Guide to Diamond Evaluation (Newman Gem & Jewelry Series)

This handbook updates jewellery professionals and serious diamond buyers on the new developments in diamond grading, treatments, synthetic diamonds, fancy-colour diamonds and lab certificates. Using close-up photographs, it shows how to make visual judgements about clarity, transparency, cut quality and brilliance. The handbook also discusses how gem labs are incorporating brightness, size, scintillation and pattern into their cut grades, and it ... more

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Diamond Grading ABC: Handbook for Diamond Grading

Diamond Grading ABC: Handbook for Diamond Grading

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Diamond Color Grading Tray Acrylic Sorting Gem 55 Hole

Diamond Color Grading Tray Acrylic Sorting Gem 55 Hole

New Acrylic Sorting Tray This is a new acrylic sorting tray This is perfect for sorting diamonds by color and size The tray has 55 holes for sorting diamonds It measures approximately 3 1/8" x 1 9/16" (78 x 39 mm)... more

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Diamond Grading ABC Handbook For Diamond Grading

Diamond Grading ABC Handbook For Diamond Grading

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Gemoro GIA Grading Scale 10 Stone Diamond Color Grading Kit (1.00ct)

Gemoro GIA Grading Scale 10 Stone Diamond Color Grading Kit (1.00ct)

The CZ Master Set Pro is the jewelry industry's first certified and registered color grader set. Each stone in the set is treated with GemOro's proprietary ColorLast technology to ensure permanent color saturation and has a laser inscribed GIA Gem Colorimeter ID number. The unique grading display/container is made of color grading-approved white Acrylite that holds 10 stones (E through N) and is equipped with a built-in grading tray. Provided wit... more

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Diamond Grading ABC The Manual. Occurence, Mining, Trade. Quality Evaluation of Colour, Clarity, Cut

Diamond Grading ABC The Manual. Occurence, Mining, Trade. Quality Evaluation of Colour, Clarity, Cut

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Diamonds in Nature

Diamonds in Nature

Diamonds in Nature: A Guide to Rough Diamonds illustrates the range of crystal shapes, colours, surface textures, and mineral inclusions of rough, uncut, naturally forming diamonds. Each chapter contains photographs that show the unique physical characteristics of the diamonds, and the accompanying text describes the processes that led to their formation. This book is an invaluable reference manual for professional geoscientists—including gemmo... more

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4 Grobet Diamond Serrated Tweezer Jewelers Grading Tool

4 Grobet Diamond Serrated Tweezer Jewelers Grading Tool

4 New Diamond Tweezers This is a new set of 4 pairs of diamond tweezers They are stainless steel and have serrated fine tips These are precision diamond and gemstone tweezers Each measures approximately 6 1/2" (165 mm) long... more

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Photo Masters for Diamond Grading

Photo Masters for Diamond Grading

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How to Create and Use Rubrics for Formative Assessment and Grading

How to Create and Use Rubrics for Formative Assessment and Grading

What is a rubric? A rubric is a coherent set of criteria for student work that describes levels of performance quality. Sounds simple enough, right? Unfortunately, rubrics are commonly misunderstood and misused. The good news is that when rubrics are created and used correctly, they are strong tools that support and enhance classroom instruction and student learning. In this comprehensive guide, author Susan M. Brookhart identifies two essential ... more

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