I have trouble finding gemological lab. Can you please share contacts of proven one?

Good afretroon!
I would like to recommend you to try gsi certificate from their lab offering a variety of gemological services. I already work with their labs for a few years. Many of my customers insist diamond report and I understand the importance of such certification. GSI's labs are modern and they enhanced the process of grading and testing  by adding advanced technology. Their specialists privide reliable documentation for each diamond. I fully satisfied with their professional and prompt services.

Choosing a good topic is as well important as choosing a good writer for your essay. If you decide to apply to some writing company, I advise you look for it and find sample essays  https://www.customwritings.com/our-essay-samples.html  here  it's a site with the best reviews of writing services. I'm sure, you will find a reliable service there, that will help you with the topic and the essay writing.