Only about a hundred collectors, luxury jewelers and diamond aficionados were being invited to look at the gems during their once-a-year world-wide tour, which usually started in July, and to bid on them by early Oct. Graphite inclusions are significantly less obvious than mineral inclusions. They're long and needle-like as https://labgrowndiamondsarethefut43210.tinyblogging.com/the-basic-principles-of-lab-grown-diamond-earring-71042586