Tone and Saturation in Coloured Gemstones

#gemology #gemstones #colouredgemstones #coloredgemstones #jewellery #jewelry #coloredgems #crystals #minerals #sapphires

In this video you'll learn:
What is tone in a coloured gemstone?
What is saturation in a coloured gemstone?
How to grade coloured gemstones
How to grade tone and saturation in coloured gemstones
What is a windowed gemstone?
What is a gemstone with extinction?
What is green beryl?
What is the most valuable tone in a gemstone?
What is the most valuable saturation in a gemstone?
What is medium to medium-dark tone in a gemstone?
What is vivid saturation in a coloured gemstone?
What is a desaturated gemstone?
What makes gemstones less valuable?
Is it okay for Ceylon sapphires to be light in tone?
Can Padparadscha sapphires be light in tone?
How do gemologists grade coloured gemstones?
What makes coloured gemstones more or less valuable?

Chapters:
0:00 Introduction
0:06 The 4Cs of diamonds vs. hue, tone and saturation in coloured gemstones
0:50 How a coloured gemstone's colour affects its value
1:02 The difference between green beryl and emerald
1:16 Why you should never compare the colour of different gem varieties against eachother
1:45 The ideal lighting for judging coloured gemstones
2:23 How to judge the TONE of a coloured gemstone, and the most valuable gemstone tone
3:41 Which gemstones are the exception to the rule
4:12 Why judging a gemstone's tone can get confusing
5:07 How gems with windows and extinction are judged for colour tone
5:51 How to judge SATURATION in a coloured gemstone, and the most valuable gemstone saturation
6:39 How to judge saturation in warm versus cool colours
8:07 Qualities of gemstones in designer jewellery versus mass-market jewellery

Follow us on Instagram: @winstongemsandjewellery
Learn more: https://www.winstongemsandjewellery.com/