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The Gem Academy
Великобритания
Добавлен 9 янв 2020
Welcome to The Gem Academy RUclips Channel! The place to learn more about laboratory-grown diamonds and terminology! SUBSCRIBE and I'll see you soon.
thegemac.com
thegemac.com
Diamonds made from coal | Myth buster
The idea that diamonds are pieces of coal that have undergone a transformation due to heat and pressure is one of the biggest misconceptions about diamonds... and yet so many people think this is the case. Why so? Join this engaging online webinar session exploring a common myth of what diamonds are made from. Spoiler alert: it's not coal... or is it? Part 2 of this webinar (Formation of diamond) is being launched next week :)
This webinar is presented by Julia Griffith FGA DGA EG from The Gem Academy! More webinars coming soon! Subscribe to be alerted and feel free to add any comments below. Enjoy!
This session will discuss:
- The origin and ages of diamond and coal
- How the 'diamonds made...
This webinar is presented by Julia Griffith FGA DGA EG from The Gem Academy! More webinars coming soon! Subscribe to be alerted and feel free to add any comments below. Enjoy!
This session will discuss:
- The origin and ages of diamond and coal
- How the 'diamonds made...
Просмотров: 2 975
Видео
WHY you can't rely on diamond testers | Part 2
Просмотров 1,5 тыс.2 года назад
So, you can't rely on diamond testers. Lets talk about why... EXTRA LINKS FOR YOU: VIDEOS Last weeks video | ruclips.net/video/ilhrtoVcp4c/видео.html Ari by Presidium video | ruclips.net/video/vPxcLQKhwbI/видео.html Laboratory-grown diamonds vs Multitester | ruclips.net/video/QrbQKWMrWQ8/видео.html The blue nuance | ruclips.net/video/V59yp1uDJx4/видео.html The green nuance | ruclips.net/video/e...
Everyone working with diamonds needs to know this!
Просмотров 3,3 тыс.2 года назад
That’s right. Many HPHT laboratory-grown diamonds test ‘incorrectly’ on diamond testers! Check out link to more videos and articles below… EXTRA LINKS FOR YOU: VIDEOS Laboratory-grown diamonds vs Multitester | ruclips.net/video/QrbQKWMrWQ8/видео.html The blue nuance | ruclips.net/video/V59yp1uDJx4/видео.html The green nuance | ruclips.net/video/eTao8ISn1qw/видео.html ARTICLE | www.thegemac.com/...
The Moh's Scale of Hardness + Scratch Testing: Explained
Просмотров 3,5 тыс.2 года назад
www.thegemac.com Welcome to Gem Dictionary by The Gem Academy! We all use the Moh’s Scale of Hardness all the time when talking about the durability of gems. But what is it? How did it come about? And how does it work?? Watch this video to answer all your gemmy questions… ‘Hardness’ is the ability to resist scratching and abrasion. The Moh’s scale of Hardness is the most commonly used scale to ...
What is gemstone 'hardness'?
Просмотров 1,4 тыс.2 года назад
Thegemac.com Welcome to Gem Dictionary by The Gem Academy! Let’s learn about gemstone ‘hardness’… ‘Hardness’ refers to a specific physical property of materials. Hardness is the ability to resist scratching and abrasion. I hope you enjoy this lesson. SUBSCRIBE to this channel to get updates of new posts in the future, and thank you so much for watching - see you soon FOLLOW ME AROUND Instagra...
Are diamonds really forever? Webinar
Просмотров 1,4 тыс.2 года назад
Are diamonds really forever? Find out how they are (or are not) in this webinar by Julia Griffith FGA DGA EG from The Gem Academy! More webinars coming soon! Subscribe to be alerted and feel free to add any comments below. Enjoy! thegemac.com 00:00 'A Diamond is Forever' advertisement campaign 15:08 Why this tagline works - Impressive properties of diamonds 31:25 Can diamonds break? This webina...
Hardness scales for gemstones and minerals
Просмотров 1,3 тыс.2 года назад
Thegemac.com Welcome to Gem Dictionary by The Gem Academy! Let’s learn about ‘the hardness scales used to express the hardness of gems and minerals… ‘Hardness’ refers to a specific physical property of gems. Hardness is the ability of a material to resist scratching and abrasion. Often, we may hear a diamond had the “best hardness as its 10 out of 10”, or maybe that a gem has a “hardness of 8 s...
What is 'Scintillation' in gems?
Просмотров 1,6 тыс.2 года назад
Welcome to Gem Dictionary by The Gem Academy where we explain terminology used for gemstones. Let’s learn about ‘scintillation’… Scintillation is an optical effect made up of the fire, brilliance and surface reflections returned by a facetted gemstone. Unlike fire and brilliance, it is a ‘dynamic’ observation as it relies on movement. A still-photograph cannot display the scintillation of a gem...
What is 'brilliance'?
Просмотров 2,6 тыс.2 года назад
Welcome to Gem Dictionary by The Gem Academy where we explain terminology used for gemstones. Let’s learn about ‘brilliance’… Brilliance is an optical effect caused by light totally internally reflecting (TIR) off the pavilion (back) facets of a facetted gemstone. It specifically refers to the return of white light. Like with fire, many factors affect the amount of brilliance seen in a gemstone...
What is 'fire' in gemstones?
Просмотров 2,1 тыс.2 года назад
Welcome to Gem Dictionary by The Gem Academy where we explain terminology used for gemstones. Let’s learn about ‘fire’ in gemstones… Fire is an optical effect due to light interacting with the structure of the gem. The more dispersive the gem - the more fire a gem may have; HOWEVER the amount of fire and pureness of colours seen in a particular gem is affected many factors: - Cut shape - Cut qu...
Diffusion treatment in gems
Просмотров 5 тыс.2 года назад
Welcome to Gem Dictionary by The Gem Academy where we explain the terminology used for gemstones. Let’s learn about diffusion treatments… Diffusion treatment is an interesting one… sometimes referred to as bulk diffusion and surface diffusion (often referring to depth of diffused elements)… this treatment has limited applications and can only be successfully achieved on particular types of gems...
Gem Heat Treatments: Explained - Gem Dictionary
Просмотров 15 тыс.2 года назад
Gem Heat Treatments: Explained - Gem Dictionary
What is a 'simulant'? Definition simulants / imitations
Просмотров 7272 года назад
What is a 'simulant'? Definition simulants / imitations
'Synthetic' explained - Gem Dictionary
Просмотров 6802 года назад
'Synthetic' explained - Gem Dictionary
What is an 'artificial' gem material? Gem Dictionary terminology and definitions
Просмотров 4762 года назад
What is an 'artificial' gem material? Gem Dictionary terminology and definitions
THE ROCK diamond - 228.31ct LARGEST colourless diamond for sale at Christie's auction
Просмотров 5622 года назад
THE ROCK diamond - 228.31ct LARGEST colourless diamond for sale at Christie's auction
Glow in the dark laboratory-grown diamonds
Просмотров 5 тыс.2 года назад
Glow in the dark laboratory-grown diamonds
Is the Ranch lab-grown diamond really made from Hidden Valley Seasoning?
Просмотров 1,2 тыс.2 года назад
Is the Ranch lab-grown diamond really made from Hidden Valley Seasoning?
The BIGGEST Blue Diamond To Come To Auction - The 15.10ct De Beers Cullinan Blue Diamond
Просмотров 1,4 тыс.2 года назад
The BIGGEST Blue Diamond To Come To Auction - The 15.10ct De Beers Cullinan Blue Diamond
BIG laboratory-grown diamond crystals - RECORD BREAKING SIZE
Просмотров 8992 года назад
BIG laboratory-grown diamond crystals - RECORD BREAKING SIZE
Largest CVD laboratory-grown diamond in 2022!
Просмотров 3 тыс.2 года назад
Largest CVD laboratory-grown diamond in 2022!
Gemmologist reacts to The Enigma - World's largest facetted diamond
Просмотров 5 тыс.2 года назад
Gemmologist reacts to The Enigma - World's largest facetted diamond
Why you should not call laboratory-grown diamonds "real" diamonds.
Просмотров 1,2 тыс.2 года назад
Why you should not call laboratory-grown diamonds "real" diamonds.
How to identify NATURAL diamonds - Testing diamond type
Просмотров 2,6 тыс.2 года назад
How to identify NATURAL diamonds - Testing diamond type
Screening melee for laboratory-grown diamonds using magnetism
Просмотров 1,3 тыс.3 года назад
Screening melee for laboratory-grown diamonds using magnetism
Testing magnetism in laboratory-grown diamonds!
Просмотров 3,5 тыс.3 года назад
Testing magnetism in laboratory-grown diamonds!
"Green nuance" in HPHT laboratory-grown diamond
Просмотров 9913 года назад
"Green nuance" in HPHT laboratory-grown diamond
Blue nuance in HPHT laboratory-grown diamonds - How to spot!
Просмотров 4,2 тыс.3 года назад
Blue nuance in HPHT laboratory-grown diamonds - How to spot!