How to tell the difference between Unheated and Heated Sapphire by checking Rutile Silk Inclusions Thai Native Gems 3:28 4 years ago 46 977 Скачать Далее
How to check the difference between Unheated vs Heated Sapphire, Learn about sapphire Sapphire Ring Company 6:49 2 years ago 44 798 Скачать Далее
Identifying heated & unheated Ruby Gemstone under Microscope Gemstone India 0:22 2 years ago 16 136 Скачать Далее
Difference Between Unheated & Heated Royal Blue Sri Lankan Sapphire in the 4 to 5-Carat Range Thai Native Gems 7:09 2 years ago 32 232 Скачать Далее
Sapphire Inclusions - Silk,Mica & Crystal Gemological Institute of Ceylon 1:51 9 months ago 707 Скачать Далее
How To Detect Diffusion Treatment In Sapphires In 30 Seconds Navneet Gems & Minerals 2:29 4 years ago 22 765 Скачать Далее
How To Spot A Sapphire - Identify Gems Quick & Easily! Gemstones 6:56 1 year ago 177 583 Скачать Далее
SAPPHIRES | Unheated vs Heat-treated Dorothée Rosen Designer Goldsmith 9:03 2 years ago 935 Скачать Далее
Gem Heat Treatments: Explained - Gem Dictionary The Gem Academy 1:13 2 years ago 12 302 Скачать Далее
How to tell the difference between Unheated Ruby & Lead Glass Filled Ruby? Thai Native Gems 4:38 6 years ago 238 511 Скачать Далее
How To Distinguish Between A Natural Sapphire VS Synthetic Sapphire International Gem Society 2:58 1 year ago 18 162 Скачать Далее
How to tell if Sapphire is Synthetic or Natural 🤔 GermanGemcutter 0:26 1 year ago 20 420 Скачать Далее