Cooksongold Help CentreIs the London Blue Topaz the official birthstone for November? View answer
Asked 10 ´months ago | Gemstones > Gemstones > Topaz > London Blue Topaz, Round, 4mm, Treated
What distinguishes the treated, 4mm, round London Blue Topaz? View answer
Asked 10 ´months ago | Gemstones > Gemstones > Topaz > London Blue Topaz, Round, 4mm, Treated
How long has it been possible to create lab grown diamonds? View answer
Answer posted 10 months ago
What if I used this to test CVD Lab grown diamonds? View answer
Answer posted 10 months ago
How long is the process to create a lab grown diamond? View answer
Answer posted 10 months ago
Can a diamond tester detect lab grown diamonds? View answer
Answer posted 10 months ago
