Video Question View answer
Lab Gems > Chatham > Pink Sapphire > Pink Sapphire Round Cut in Grade GEM | Chatham Lab Stone
Could I see an 8 mm round Chatham ruby under long wave UV light? View answer
Lab Gems > Chatham > Ruby > Ruby Round Cut in Grade GEM | Chatham Ruby Lab Stone
certificate View answer
Lab Gems > Chatham > Ruby > Ruby Oval Cut in Grade GEM | Chatham Ruby Lab Stone
What is the best color for a created opal and how does color variation enhance choice? View answer
Lab Gems > Value Grade > Created Opal
What is the best grade to look for in a created opal and why does it matter? View answer
What is the best color for Alexandrite in daylight and incandescent light? View answer
Lab Gems > Imitation > Alexandrite
Why is the origin or lab creation of Black Opal an important consideration? View answer
Lab Gems > Chatham > Black Opal
