How to Spot a Fake Gemstone: Quick Tips for Identifying Imitation and Synthetic (Lab) Gems!

Описание: Discover the best tips and tricks to help you decide if a gemstone is fake or real, courtesy of a GIA gemologist.

In this video you'll learn:
How to tell if a gemstone is fake
The difference between imitation and synthetic gemstones and diamonds
How to tell if a ruby, sapphire or emerald is synthetic or lab-grown
What is dyed quartz?
What is green chalcedony?
What are ruby, sapphire and emerald imitations?
How to tell if a gemstone is plastic or glass
How to know if jewellery is good quality or not
When were synthetic or lab-grown gemstones invented?
Can antique jewellery have synthetic gemstones?
Which gemstones are never lab-grown?
How to tell if a gemstone is irradiated or colour treated
What is a window or extinction in a coloured gemstone?
How to tell if a jewellery setting is well made or not
How do gemologists know if a gemstone is fake or synthetic or lab grown?

Chapters:
0:00 Introduction
0:05 Tools for Identifying Gems
0:38 Synthetics vs. Imitations
1:11 Identifying Glass and Plastic Gems
3:46 Synthetic and Lab-Grown Gems
4:25 Synthetic Gems in Antique Jewellery
4:40 Judging Colour in Synthetic Gemstones
5:28 Considering Prices and Where You Are
6:44 Judging Clarity and Dimension in Synthetics
9:29 Consider Widowing and Extinction in Natural Gems
10:42 Gems that are Most Likely Natural
11:23 Judging Jewellery Settings

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